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July 26, 2019
21:11
NVMe over Fabrics enterprise storage spec enters final review process
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NVM Express Inc., the developer of the NVMe spec for enterprise SSDs, announced that its NVMe-oF architecture has entered a final 45-day review, an important step toward release of a formal specification for enterprise SSD makers.

NVMe-oF stands for NVMe over Fabrics, a mechanism to transfer data between a host computer and a target SSD or system over a network, such as Ethernet, Fibre Channel (FC), or InfiniBand. NVM Express first released the 1.0 spec of NVMe-oF in 2016, so this is long overdue.

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16:16
Verizon launches interconnect service through Equinix
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Just days after AT&T hooked up with IBM and Microsoft for cloud service connectivity, Verizon announced a software-defined interconnect (SDI) service to help the carrier's customers connect Equinix colocation data centers.

These two companies have a history. In 2017, Equinix acquired 29 Verizon data centers in the U.S and Latin America for $3.6 billion. So like AT&T, Verizon left data centers to the experts and focused on building connections to them.
[ Read also: How to plan a software-defined data center network ]
As more enterprises move workloads into colocation facilities run by providers like Equinix, fast, secure connections between the enterprise and the colocation become a must. Verizon's SDI service is designed to provide fast, reliable connectivity between customer and the colocation data center.

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July 25, 2019
21:03
Report: Smart-city IoT isn’t smart enough yet
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Security arrangements for smart-city IoT technology around the world are in an alarming state of disrepair, according to a report from Forrester Research that argues serious changes are needed in order to avoid widespread compromises.

Much of what’s wrong has to do with a lack of understanding on the part of the people in charge of those systems and a failure to follow well-known security best practices, like centralized management, network visibility and limiting attack-surfaces.

More on IoT:
Those all pose stiff challenges, according to “Making Smart Cities Safe And Secure,” the Forrester report by Merritt Maxim and Salvatore Schiano. The attack surface for a smart city is, by default, enormous, given the volume of Internet-connected hardware involved. Some device, somewhere, is likely to be vulnerable, and with the devices geographically spread out it’s difficult to secure all types of access to them.

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19:15
BrandPost: Part 3: Assessing Your WAN Strategy: Resiliency and Security at Branch Locations
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In part 1 of this 3-part series on how to conduct a wide-area network assessment and determine necessary updates, we looked at foundational issues including current challenges and objectives. Part 2 examined considerations around applications and bandwidth. In this third and final installment we’ll look at two issues that are critical for any organization: resiliency and security.

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18:11
IoT’s role in expanding drone use
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As faithful readers of TechWatch (love you, Mom) may know, the rollout of many companies’ ambitious drone delivery services has not gone as quickly as promised. Despite recent signs of progress in Australia and the United States—not to mention clever ideas for burger deliveries to cars stuck in traffic—drone delivery remains a long way from becoming a viable option in the vast majority of use cases. And the problem affects many areas of drone usage, not just the heavily hyped drone delivery applications.

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16:41
Storage management a weak area for most enterprises
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Stop me if you’ve heard this before: Companies are racing to a new technological paradigm but are using yesterday’s tech to do it.

I know. Shocking.

A survey of more than 300 storage professionals by storage vendor NGD Systems found only 11% of the companies they talked to would give themselves an “A” grade for their compute and storage capabilities.

Why? The chief reason given is that while enterprises are rapidly deploying technologies for edge networks, real-time analytics, machine learning, and internet of things (IoT) projects, they are still using legacy storage solutions that are not designed for such data-intensive workloads. More than half — 54% — said their processing of edge applications is a bottleneck, and they want faster and more intelligent storage solutions.

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July 24, 2019
22:35
Reports: As the IoT grows, so do its threats to DNS
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The internet of things (IoT) is shaping up to be a more significant threat to the Domain Name System (DNS) through larger IoT botnets, unintentional adverse effects of IoT-software updates and the continuing development of bot-herding software.

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(Insider Story)
20:06
How BMW’s new annual fee for Apple CarPlay could define the IoT
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Apple calls CarPlay “the ultimate co-pilot.” BMW calls it the “smart and fast way to conveniently use your iPhone features while in your car. ... You can control your iPhone and use apps with the touchscreen display, the iDrive Controller or voice commands.”

However you describe it, though, Apple’s CarPlay system suddenly finds itself in the center of what could be a defining conversation about the future of the internet of things (IoT).

You see, the German luxury carmaker’s plans to charge $80 a year to access CarPlay have suddenly become the talk of the internet, from tech blogs to car sites. The hue and cry makes CarPlay the perfect illustration of the promise—and the pitfalls—of the IoT.

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17:06
IBM expands its storage management software to support competitor products
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Most companies like to keep their specialty software to themselves, but IBM is making a move to expand its Spectrum Discover metadata management software to support competitive storage products.

Spectrum Discover is modern metadata management software that provides data insight for petabyte-scale unstructured storage. It was designed for IBM Cloud Object Storage and IBM Spectrum Scale, a clustered file system, to rapidly ingest, consolidate and index metadata for billions of files and objects.

Its metadata layer enables storage administrators, data stewards and data scientists to efficiently manage, classify, and gain insights from massive amounts of unstructured data while helping to mitigate risk and accelerate large-scale analytics.

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16:42
Data centers may soon recycle heat into electricity
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Waste heat is the scurge of computing. In fact, much of the cost of powering a computer is from creating unwanted heat. That’s because the inefficiencies in electronic circuits, caused by resistance in the materials, generates that heat. The processors, without computing anything, are essentially converting expensively produced electrical energy into waste energy.

It’s a fundamental problem, and one that hasn’t been going away. But what if you could convert the unwanted heat back into electricity—recycle the heat back into its original energy form? The data center heat, instead of simply disgorging into the atmosphere to be gotten rid of with dubious eco-effects, could actually run more machines. Plus, your cooling costs would be taken care of—there’s nothing to cool because you’ve already grabbed the hot air.

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15:29
When it comes to the IoT, Wi-Fi has the best security
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When it comes to connecting internet of things (IoT) devices, there is a wide variety of networks to choose from, each with its own set of capabilities, advantages and disadvantages, and ideal use cases. Good ol’ Wi-Fi is often seen as a default networking choice, available in many places, but of limited range and not particularly suited for IoT implementations.

According to Aerohive Networks, however, Wi-Fi is “evolving to help IT address security complexities and challenges associated with IoT devices.” Aerohive sells cloud-managed networking solutions and was acquired recently by software-defined networking company Extreme Networks for some $272 million. And Aerohive's director of product marketing, Mathew Edwards, told me via email that Wi-Fi brings a number of security advantages compared to other IoT networking choices.

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July 23, 2019
22:27
BrandPost: Part 2: Before Making WAN Changes, Consider Your Bandwidth and Application Requirements
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In part 1 of this 3-part series on how to conduct a wide-area network assessment and prepare for WAN updates, we looked at foundational issues such as current challenges and objectives. In this installment, we’ll examine considerations around applications and bandwidth.

As with part 1, my source for information was Mike Lawson, Manager of SD-WAN/NFV Solutions Architecture for CenturyLink. Lawson is in the trenches with network architects and customers every day; as such, he understands the issues that lead companies to upgrade WAN services to newer technologies such as software-defined WAN (SD-WAN).

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20:10
There’s finally a communication app tailormade for on-the-go teams. Try it free.
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One of the hardest things for employers to do is keep up with the needs of an increasingly mobile workforce. More than ever, teams are using multiple devices to do their work on the go — and for workforces that are dispersed, it can be difficult to get on the same page for key objectives and initiatives.

That’s where Eko comes in: this performance-boosting platform is built for mobile workforces, combining communications, process management, task management, e-learning and HR functionalities into one easy-to-use app. Ideal for remote teams, retail and hospitality, this app streamlines everything frontline staff needs to be successful into one helpful tool.

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17:05
Getting help for Linux shell built-ins
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Linux built-ins are commands that are built into the shell, much like shelves that are built into a wall. You won’t find them as stand-alone files the way standard Linux commands are stored in /usr/bin and you probably use quite a few of them without ever questioning how they’re different from commands such as ls and pwd.

Built-ins are used just like other Linux commands. They are likely to run a bit faster than similar commands that are not part of your shell. Bash built-ins include commands such as alias, export and bg.
[ Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ]
As you might suspect, because built-ins are shell-specific, they won't be supplied with man pages. Ask man to help with bg and you'll see something like this:

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15:00
BrandPost: Digital Transformation: Can SD-WAN Help Strengthen Application Security in a Cloud-First World?
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The majority of enterprise CIOs are of in the midst of a digital transformation journey, migrating more of their business applications and infrastructure from their own data centers to the cloud. These applications include real-time voice calling, video conferencing, email, storage, CRM, and many other software applications now delivered as a service – “SaaS.” To support digital transformation initiatives and shifting traffic patterns as more applications move to the cloud, 94 percent¹ of enterprises are considering, evaluating or have already deployed¹ SD-WAN solutions to address evolving WAN requirements. Enterprises are rethinking their WAN approach to better support multi-cloud infrastructures and to actively leverage higher bandwidth (and often lower cost) broadband services to augment existing MPLS transport networks.

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July 22, 2019
15:12
AT&T partners with IBM and Microsoft, focuses on network capabilities
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Earlier this year, AT&T finalized a deal to divest itself of its 31 data centers for $1.1 billion. Now that it has dumped its data center business, the company partnering with two of the largest providers of them: Microsoft and IBM.

IBM and AT&T this week announced a multi-year strategic alliance where AT&T’s network and IBM Cloud will link up to provide software-defined network (SDN) services, including giving IBM Cloud access to AT&T’s 5G network.

In return, IBM will make AT&T its primary provider of 5G, edge computing, and internet of things (IoT) services and help manage AT&T’s entire infrastructure footprint, including third-party cloud services, using Red Hat’s open-source tools to manage the network. This isn’t really new, as AT&T was using Red Hat Enterprise Linux (RHEL) for some time.

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July 18, 2019
21:00
Worst DNS attacks and how to mitigate them
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The Domain Name System remains under constant attack, and there seems to be no end in sight as threats grow increasingly sophisticated.

DNS, known as the internet’s phonebook, is part of the global internet infrastructure that translates between familiar names and the numbers computers need to access a website or send an email. While DNS has long been the target of assailants looking to steal all manner of corporate and private information, the threats in the past year or so indicate a worsening of the situation.

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17:17
Smart cities offer window into the evolution of enterprise IoT technology
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Powering smart cities is one of the most ambitious use cases for the internet of things (IoT), combining a wide variety of IoT technologies to create coherent systems that span not just individual buildings or campuses but entire metropolises. As such, smart cities offer a window into the evolution of enterprise IoT technologies and implementations on the largest scale.

And that’s why I connected with Christophe Fourtet, CSO and co-founder of Sigfox, a French global network operator, to learn more about using wireless networks to connect large numbers of low-power objects, ranging from smartwatches to electricity meters. (And I have to admit I was intrigued by the 0G network moniker, which conjured visions of weightless IoT devices floating in space, or maybe OG-style old-school authenticity. That’s not at all what it’s about, of course.)

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15:00
BrandPost: Assessing Your Current WAN State is Key to Making Effective Changes
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If your wide-area network (WAN) has been with you for many years, it may be time to think about an upgrade, especially given the emergence of technologies such as software-defined WANs (SD-WAN). But rather than just dive in, assuming SD-WAN will be a good fit, it’s helpful to perform an assessment of your current situation and what outcomes you’d like to see out of an upgrade.

Making this type of assessment means asking a series of questions, the answers to which may – or may not – lead you toward adopting SD-WAN technology. To learn what sort of questions to ask, I talked with Mike Lawson, Manager of SD-WAN/NFV Solutions Architecture for CenturyLink, a global network provider.Lawson spends his time in the trenches with network architects and customers, accumulating an excellent sense of whether a company is a good candidate for SD-WAN.

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July 17, 2019
18:17
Public internet should be all software-defined
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The public internet should migrate to a programmable backbone-as-a-service architecture, says a team of network engineers behind NOIA, a startup promising to revolutionize global traffic. They say the internet will be more efficient if internet protocols and routing technologies are re-worked and then combined with a traffic-trading blockchain.

It’s “impossible to use internet for modern applications,” the company says on its website. “Almost all global internet companies struggle to ensure uptime and reliable user experience.”

That’s because modern techniques aren’t being introduced fully, NOIA says. The engineers say algorithms should be implemented to route traffic and that segment routing technology should be adopted. Plus, blockchain should be instigated to trade internet transit capacity. A “programmable internet solves the web’s inefficiencies,” a representative from NOIA told me.

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16:51
IDG Contributor Network: How edge computing is driving a new era of CDN
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We are living in a hyperconnected world where anything can now be pushed to the cloud. The idea of having content located in one place, which could be useful from the management’s perspective, is now redundant. Today, the users and data are omnipresent.

The customer’s expectations have up-surged because of this evolution. There is now an increased expectation of high-quality service and a decrease in customer’s patience. In the past, one could patiently wait 10 hours to download the content. But this is certainly not the scenario at the present time. Nowadays we have high expectations and high-performance requirements but on the other hand, there are concerns as well. The internet is a weird place, with unpredictable asymmetric patterns, buffer bloat and a list of other performance-related problems that I wrote about on Network Insight. [Disclaimer: the author is employed by Network Insight.]

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16:24
Mastering user groups on Linux
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User groups play an important role on Linux systems. They provide an easy way for a select groups of users to share files with each other. They also allow sysadmins to more effectively manage user privileges, since they can assign privileges to groups rather than individual users.

While a user group is generally created whenever a user account is added to a system, there’s still a lot to know about how they work and how to work with them.
[ Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ] One user, one group?
Most user accounts on Linux systems are set up with the user and group names the same. The user "jdoe" will be set up with a group named "jdoe" and will be the only member of that newly created group. The user’s login name, user id, and group id will be added to the /etc/passwd and /etc/group files when the account is added, as shown in this example:

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15:16
MPLS is hanging on in this SD-WAN world
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The SD-WAN networking market is booming and is expected to grow to $17 billion by 2025, and no wonder. Software-defined wide-area networking eliminates the need for expensive routers and does all the network connectivity in the cloud.

Among its advantages is the support for secure cloud connectivity, one area where multiprotocol label switching (MPLS) falls short. MPLS is a data protocol from before the internet took off and while ideal for communications within the corporate firewall, it doesn’t lend itself to cloud and outside communications well.

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July 16, 2019
21:34
Server hardware makers shift production out of China
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The supply chain of vendors that build servers and network communication devices is accelerating its shift of production out of China to Taiwan and North America, along with other nations not subject to the trade war between the U.S. and China.

Last May, the Trump Administration levied tariffs on a number of imported Chinese goods, computer components among them. The tariffs ranged from 10-25%. Consumers were hit hardest, since they are more price sensitive than IT buyers. PC World said the average laptop price could rise by $120 just for the tariffs.

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15:00
BrandPost: Do-it-Yourself SD-WANs: No Shortage of Complexity
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With interest in software-defined wide-area networks (SD-WAN) heating up, companies are facing a key question: can they implement SD-WAN themselves or do they need a service provider to help?

It’s a rather loaded question, with many issues to consider if you elect to go the do-it-yourself (DIY) route. In this post, we’ll examine some of the highest hurdles you’ll have to get over if you decide to DIY; paint a picture of what sort of company may be able to tackle an SD-WAN project; and define who will be better off with a managed service.

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15:00
BrandPost: Know the True Business Drivers for SD-WAN
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If a software-defined WAN (SD-WAN) vendor calls you up and says you need their product because it will help you save money, hang up the phone.

Okay, maybe you shouldn’t hang up the phone—but you should at least tell him that he’s selling his product wrong.

It’s true that the early conversations about SD-WAN were all about cost savings, and those promised cost savings were to come via replacing MPLS with internet connectivity. To some extent, SD-WAN definitely delivers on this promise. That being said, saving money is not the real business driver for SD-WAN.

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July 13, 2019
0:13
BrandPost: The Latest in Innovation in the SD-WAN Managed Services Market
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As enterprisesincreasingly focus on improving network performance to support applications and deliver a better customer experience, SD-WAN solutions are in the spotlight. One of the key components of providing ongoing IT support is ensuring that networks have the agility needed to adapt to changing business priorities at speed.

In one recent IDG survey, 91% of enterprises that implemented SD-WAN technologies saw an increase in network speed. SD-WAN managed services have come to the forefront as a choice that allows enterprises to capture the benefits of SD-WAN, along with the expertise to make the most of the technology. Solutions offer access to the knowledge needed to design, deploy and manage SD-WAN networks, while letting the enterprise maintain visibility and control as desired.

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July 11, 2019
16:03
Smarter IoT concepts reveal creaking networks
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The internet of things (IoT) needs its own infrastructure ecosystem — one that doesn't use external clouds at all, researchers at the University of Magdeburg say.

The computer scientists recently obtained funding from the German government to study how to build a future-generation of revolutionary, emergent IoT systems. They say networks must be fault tolerant, secure, and traverse disparate protocols, which they aren't now.
[ Read also: What is edge computing? and How edge networking and IoT will reshape data centers ]
The researchers say a smarter, unique, and organic infrastructure needs to be developed for the IoT and that simply adapting the IoT to traditional networks won't work. They say services must self-organize and function autonomously and that people must accept the fact that we are using the internet in ways never originally intended.

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6:00
How network pros acquire skills for SDN, programmable networks
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Jason Pichardo’s career path has mirrored the changes in networking over the past decade, moving from a traditional hardware-dominated past to a software-centric future that reflects the network’s growing importance to business operations.

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(Insider Story)
July 10, 2019
21:30
Intel unveils new 3D chip packaging design
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Intel has unveiled a new packaging innovation for creating 3D chip packages and multiple chip connections ahead of the Semicon West conference in San Francisco this week.

The company is detailing its Embedded Multi-Die Interconnect Bridge (EMIB) technologies and Foveros 3D chip packages. This may sound like very inside baseball and best suited for the propellerhead crowd, but hear me out.
[ Also read: What is quantum computing (and why enterprises should care) ]
Chip packaging has always played a critical role in semiconductors, and it’s getting more important as chipmakers such as Intel and AMD strain against the limits of Moore’s Law. The chip’s package is how the chip’s electrical signals and power are routed.

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15:42
The Titan supercomputer is being decommissioned: a costly, time-consuming project
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A supercomputer deployed in 2012 is going into retirement after seven years of hard work, but the task of decommissioning it is not trivial.

The Cray XK7 “Titan” supercomputer at the Department of Energy’s (DOE) Oak Ridge National Laboratory (ORNL) is scheduled to be decommissioned on August 1 and disassembled for recycling.

At 27 petaflops, or 27 quadrillion calculations per second, Titan was at one point the fastest supercomputer in the world at its debut in 2012 and remained in the top 10 worldwide until June 2019.
[ Also read: 10 of the world's fastest supercomputers | Get regularly scheduled insights: Sign up for Network World newsletters ]
But time marches on. This beast is positively ancient by computing standards. It uses 16-core AMD Opteron CPUs and Nvidia Kepler generation processors. You can buy a gaming PC with better than that today.

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14:49
Will rolling into IBM be the end of Red Hat?
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IBM's acquisition of Red Hat for $34 billion is now a done deal, and statements from the leadership of both companies sound extremely promising. But some Linux users have expressed concern.

Questions being asked by some Linux professionals and devotees include:
- Will Red Hat lose customer confidence now that it’s part of IBM and not an independent company?
- Will IBM continue putting funds into open source after paying such a huge price for Red Hat? Will they curtail what Red Hat is able to invest?
- Both companies’ leaders are saying all the right things now, but can they predict how their business partners and customers will react as they move forward? Will their good intentions be derailed?
Part of the worry simply comes from the size of this deal. Thirty-four billion dollars is a lot of money. This is probably the largest cloud computing acquisition to date. What kind of strain will that price tag put on how the new IBM functions going forward? Other worries come from the character of the acquisition – whether Red Hat will be able to continue operating independently and what will change if they cannot. In addition, a few Linux devotees hark back to Oracle’s acquisition of Sun Microsystems in 2010 and Sun’s slow death in its aftermath.

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13:55
Wireless alliance: You might want to move some access points for Wi-Fi 6
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Businesses could find themselves repositioning wireless access points and even facing increased bandwidth demands as Wi-Fi 6 hits the market in the coming months, according to a white paper released today by the Wireless Broadband Alliance.

Nevertheless, the news is mostly good for prospective business users. Thanks to Wi-Fi 6’s array of coexistence, power-saving and smart management features, a new network based on the technology shouldn’t pose many deployment problems.
The time of 5G is almost here
Key to the enterprise WLAN use case, the white paper says, is deployment planning – Wi-Fi 6 can offer different optimal placement options than previous-generation Wi-Fi, so it could behoove upgraders to consider changing AP locations, instead of just swapping out existing devices in the same locations.

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July 09, 2019
19:10
IBM closes $34B Red Hat deal, vaults into multi-cloud
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IBM has finalized its $34 billion purchase of Red Hat and says it will use the Linux powerhouse's open-source know-how to enable larger scale customer projects and to create a web of partnerships to simplify carrying them out.

"A lot of our mutual clients are interested in doing a lot more," says Arvind Krishna, Senior Vice President, IBM Cloud & Cognitive Software in a blog post. "Many see this as an opportunity for us to create large industry ecosystems with other providers who are optimized on this common infrastructure. ...If Red Hat were to do this on their own, there would be a limit to how much they can scale. Together, we can put a lot more resources into optimizing other partners."

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18:28
Linux a key player in the edge computing revolution
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In the past few years, edge computing has been revolutionizing how some very familiar services are provided to individuals like you and me, as well as how services are managed within major industries. Try to get your arms around what edge computing is today, and you might just discover that your arms aren’t nearly as long or as flexible as you’d imagined. And Linux is playing a major role in this ever-expanding edge.

One reason why edge computing defies easy definition is that it takes many different forms. As Jaromir Coufal, principal product manager at Red Hat, recently pointed out to me, there is no single edge. Instead, there are lots of edges – depending on what compute features are needed. He suggests that we can think of the edge as something of a continuum of capabilities with the problem being resolved determining where along that particular continuum any edge solution will rest.

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18:19
Cisco goes deeper into photonic, optical technology with $2.6B Acacia buy
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Looking to bulk-up its optical systems portfolio, Cisco says it intends to buy Acacia Communications for approximately $2.6 billion. The deal is Cisco’s largest since it laid out $3.7B for AppDynamics in 2017.

Acacia develops, manufactures and sells high-speed coherent optical interconnect products that are designed to transform networks linking data centers, cloud and service providers. Cisco is familiar with Acacia as it has been a “significant” customer of the optical firm for about five years, Cisco said.

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12:00
BrandPost: Improving IT Operations – Key to Business Success in Digital Transformation
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Forty seven percent of CEOs say they are being “challenged” by their board of directors to show progress in shifting toward a digital business model according to the Gartner 2018 CIO Agenda Industry Insights Report. By improving IT operations, organizations can progress and even accelerate their digital transformation initiatives efficiently and successfully. The biggest barrier to success is that IT currently spends around 78 percent of their budget and 80 percent of their time just maintaining IT operations, leaving little time and resource left for innovation according to ZK Research*.

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6:00
Colocation facilities buck the cloud-data-center trend
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Data center workloads are moving but not only to the cloud. Increasingly, they are shifting to colocation facilities as an alternative to privately owned data centers.

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(Insider Story)
July 03, 2019
14:54
An eco-friendly internet of disposable things is coming
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Get ready for a future of disposable of internet of things (IoT) devices, one that will mean everything is connected to networks. It will be particularly useful in logistics, being used in single-use plastics in retail packaging and throw-away shippers’ carboard boxes.

How it will happen? The answer is when non-hazardous, disposable bio-batteries make it possible. And that moment might be approaching. Researchers say they’re closer to commercializing a bacteria-powered miniature battery that they say will propel the IoDT.
[ Learn more: Download a PDF bundle of five essential articles about IoT in the enterprise ]
The “internet of disposable things is a new paradigm for the rapid evolution of wireless sensor networks,” says Seokheun Choi, an associate professor at Binghamton University, in an article on the school’s website.

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July 02, 2019
15:00
BrandPost: “Shift Left” to Push Customer Support into Overdrive
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The “Shift Left” concept is all about efficiency and quality. In software development, shifting left means performing testing early and often in the project lifecycle instead of waiting until the end. By discovering and addressing errors and bugs earlier, teams can ultimately deliver a higher quality product, one that is better aligned with addressing customers’ needs.

In support, it means shifting requests as close to the customer as possible – which includes offering the ability self-serve. Moving solutions closer to the operational frontline and to the point of the first issue allows customers get answers quicker and organizations to close tickets faster. There are 3 big benefits of taking this approach:

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12:33
BrandPost: SD-WAN Buyers Should Think Application Performance as well as Resiliency
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As an industry analyst, not since the days of WAN Optimization have I seen a technology gain as much interest as I am seeing with SD-WANs today. Although full deployments are still limited, nearly every network manager, and often many IT leaders I talk to, are interested in it. The reason for this is two-fold – the WAN has grown in importance for cloud-first enterprises and is badly in need of an overhaul. This hasn’t gone unnoticed by the vendor community as there has been an explosion of companies bringing a broad range of SD-WAN offerings to market. The great news for buyers is that there is no shortage of choices. The bad news is there are too many choices and making the right decision difficult.

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July 01, 2019
21:12
BrandPost: How does David battle Goliath? With great strategy and the technology to implement it
» ‎ Network World

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The classic story of David battling Goliath resonates with any successful entrepreneur. At some point, small companies must confront large, entrenched rivals. Those big companies possess clear advantages: brand recognition, economies of scale, financial leverage and many others. Customers need a compelling reason to switch providers.

How do would-be Davids compete? They need to develop their own modernized slingshot. Technology provides virtually endless possibilities for competitive advantage. Like David, though, you need to size up your opponent and adopt the right strategy before choosing your weapon.

In the United Kingdom, a company called Ocado did just that in the exotic, sophisticated market of … grocery stores.

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16:00
BrandPost: Three Support Trends to Fuel Business Advantage
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Who hasn’t had an infuriating support experience as a customer? We’ve all been there. Waiting on the phone. Repeating details. Being passed like a hot potato from one agent to the next. Has no one in the universe ever had or dealt with our same issue before? It can be frustrating, to say the least. And we’re shell-shocked the next time we need to reach out for customer support.

There’s a light at the end of the tunnel, though. Before we get there, let’s first consider why this is happening. If we look at the support landscape, we can see that it’s changing:
1. The technology we use is changing. Think about how technology has changed over the last few years. Ten years ago, we didn’t have iPads. Now we have universal connectivity. And behind simple interfaces, underlying technologies are increasingly complex.
2. The people we support are changing. End users are more mobile. People can work from anywhere, and they take their digital lives with them. And with nearly unlimited – and searchable – data, people are consuming information in a variety of ways.
3. Customer expectations are changing. The more immediate and available our technology becomes, the more immediate and available we expect support to be. We expect to be able to reach out on any channel we choose – email, phone, twitter, snapchat, and so on. And we expect it to be easy.
These changes are impacting help desks. Fifty-five percent of organizations saw increased ticket volume in 2017. Unfortunately, budgets aren’t increasing accordingly.

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13:52
Tempered Networks simplifies secure network connectivity and microsegmentation
» ‎ Network World

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The TCP/IP protocol is the foundation of the internet and pretty much every single network out there. The protocol was designed 45 years ago and was originally only created for connectivity. There’s nothing in the protocol for security, mobility, or trusted authentication.

The fundamental problem with TCP/IP is that the IP address within the protocol represents both the device location and the device identity on a network. This dual functionality of the address lacks the basic mechanisms for security and mobility of devices on a network.

This is one of the reasons networks are so complicated today. To connect to things on a network or over the internet, you need VPNs, firewalls, routers, cell modems, etc. and you have all the configurations that come with ACLs, VLANs, certificates, and so on. The nightmare grows exponentially when you factor in internet of things (IoT) device connectivity and security. It’s all unsustainable at scale.

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June 28, 2019
17:45
BrandPost: Mobile Support: Are Your Employees Getting What They Need?
» ‎ Network World

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We’re going to go out on a limb and say most employees bring their own mobile devices to work. You probably do too, and it’s not a bad idea. Using a smartphone or tablet you’re already familiar with – and to which you’re already attached at the hip – often helps you to be more productive as an employee. For companies, embracing the bring-your-own-device trend isn’t a bad idea either. That individual boost in productivity compounds across the enterprise.

But that doesn’t mean it’s as easy as turning on the green light and letting employees have at it. Those mobile devices need to be supported – and at a high service level end users have come to expect – or companies risk taking a hit on employee productivity and job satisfaction. You can thank places like Apple’s Genius Bar for raising the bar on support expectations. That’s the same level of first-class support employees expect at work and the standard IT support teams are being held to today.

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16:36
Cisco sounds warning on 3 critical security patches for DNA Center
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Cisco issued three “critical” security warnings for its DNA Center users – two having a Common Vulnerability Scoring System rating of 9.8 out of 10.

The two worst problems involve Cisco Data Center Network Manager (DCNM). Cisco DNA Center controls access through policies using Software-Defined Access, automatically provision through Cisco DNA Automation, virtualize devices through Cisco Network Functions Virtualization (NFV), and lower security risks through segmentation and Encrypted Traffic Analysis.

More about SD-WAN
In one advisory Cisco said a vulnerability in the web-based management interface of DCNM could let an attacker obtain a valid session cookie without knowing the administrative user password by sending a specially crafted HTTP request to a specific web servlet that is available on affected devices. The vulnerability is due to improper session management on affected DCNM software.

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June 21, 2019
19:11
IDG Contributor Network: Software Defined Perimeter (SDP): The deployment
» ‎ Network World

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Deploying zero trust software-defined perimeter (SDP) architecture is not about completely replacing virtual private network (VPN) technologies and firewalls. By and large, the firewall demarcation points that mark the inside and outside are not going away anytime soon. The VPN concentrator will also have its position for the foreseeable future.

A rip and replace is a very aggressive deployment approach regardless of the age of technology. And while SDP is new, it should be approached with care when choosing the correct vendor. An SDP adoption should be a slow migration process as opposed to the once off rip and replace.

As I wrote about on Network Insight [Disclaimer: the author is employed by Network Insight], while SDP is a disruptive technology, after discussing with numerous SDP vendors, I have discovered that the current SDP landscape tends to be based on specific use cases and projects, as opposed to a technology that has to be implemented globally. To start with, you should be able to implement SDP for only certain user segments.

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6:00
Carrier services help expand healthcare, with 5G in the offing
» ‎ Network World

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There are connectivity options aplenty for most types of IoT deployment, but the idea of simply handing the networking part of the equation off to a national licensed wireless carrier could be the best one for certain kinds of deployments in the medical field.

Telehealth systems, for example, are still a relatively new facet of modern medicine, but they’re already among the most important applications that use carrier networks to deliver care. One such system is operated by the University of Mississippi Medical Center, for the treatment and education of diabetes patients.

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June 20, 2019
20:06
Several deals solidify the hybrid cloud’s status as the cloud of choice
» ‎ Network World

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The hybrid cloud market is expected to grow from $38.27 billion in 2017 to $97.64 billion by 2023, at a Compound Annual Growth Rate (CAGR) of 17.0% during the forecast period, according to Markets and Markets.

The research firm said the hybrid cloud is rapidly becoming a leading cloud solution, as it provides various benefits, such as cost, efficiency, agility, mobility, and elasticity. One of the many reasons is the need for interoperability standards between cloud services and existing systems.

Unless you are a startup company and can be born in the cloud, you have legacy data systems that need to be bridged, which is where the hybrid cloud comes in.

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17:29
Disposable $100 IoT satellites could swarm Earth's orbit
» ‎ Network World

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Tiny cheap satellites, self-organizing and communicating as a group, could shift the internet of things (IoT) to space. The postage-stamp-sized devices, acting as sensors, just like the ones we see in traditional IoT networks could perform tasks such as mapping or studying Earth, say scientists involved in a recent successful launch of the disposable nanosatellites.

The test satellites, essentially just sensors, were deployed in a batch in March. They captured data, communicated with one another, and then after a couple of days in orbit, as was planned, burned up as they reentered the atmosphere.
[ IoT in the enterprise: Download a PDF bundle of five essential articles about IoT in the enterprise ]
“This is like the PC revolution for space,” says Zac Manchester, an assistant professor at Stanford University, in an article on the school’s website. Manchester invented the ChipSats 10 years ago. It has taken until now, and after a failed attempt in 2014, to get the constellation operational—if just for those few days.

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12:00
Cracks appear in Intel’s grip on supercomputing
» ‎ Network World

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It’s June, so it’s that time again for the twice-yearly Top 500 supercomputer list, where bragging rights are established or, in most cases, reaffirmed. The list constantly shifts as new trends appear, and one of them might be a break in Intel’s dominance.

Supercomputers in the top 10 list include a lot of IBM Power-based systems, and almost all run Nvidia GPUs. But there’s more going on than that.

For starters, an ARM supercomputer has shown up, at #156. Astra at Sandia National Laboratories is an HPE system running Cavium (now Marvell) ThunderX2 processors. It debuted on the list at #204 last November, but thanks to upgrades, it has moved up the list. It won’t be the last ARM server to show up, either.

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3:42
Cisco connects with IBM in to simplify hybrid cloud deployment
» ‎ Network World

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Cisco and IBM said the companies would meld their data-center and cloud technologies to help customers more easily and securely build and support on-premises and hybrid-cloud applications.

Cisco, IBM Cloud and IBM Global Technology Services (the professional services business of IBM) said they will work to develop a hybrid-cloud architecture that melds Cisco’s data-center, networking and analytics platforms with IBM’s cloud offerings. IBM's contribution includea a heavy emphasis on Kubernetes-based offerings such as Cloud Foundry and Cloud Private as well as a catalog of IBM enterprise software such as Websphere and open source software such as Open Whisk, KNative, Istio and Prometheus.

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June 19, 2019
21:36
Cisco issues critical security warnings on SD-WAN, DNA Center
» ‎ Network World

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Cisco has released two critical warnings about security issues with its SD-WAN and DNA Center software packages.

The worse, with a Common Vulnerability Scoring System rating of 9.3 out of 10, is a vulnerability in its Digital Network Architecture (DNA) Center software that could let an unauthenticated attacker connect an unauthorized network device to the subnet designated for cluster services.

More about SD-WAN
A successful exploit could let an attacker reach internal services that are not hardened for external access, Cisco stated. The vulnerability is due to insufficient access restriction on ports necessary for system operation, and the company discovered the issue during internal security testing, Cisco stated.

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17:13
With Tableau, SaaS king Salesforce becomes a hybrid cloud company
» ‎ Network World

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I remember a time when people at Salesforce events would hand out pins that read “Software” inside a red circle with a slash through it. The High Priest of SaaS (a.k.a. CEO Marc Benioff) was so adamant against installed, on-premises software that his keynotes were always comical.

Now, Salesforce is prepared to spend $15.7 billion to acquire Tableau Software, the leader in on-premises data analytics.

On the hell-freezes-over scale, this is up there with Microsoft embracing Linux or Apple PR people returning a phone call. Well, we know at least one of those has happened.

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June 18, 2019
16:37
17 predictions about 5G networks and devices
» ‎ Network World

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“As market after market switches on 5G, we are at a truly momentous point in time. No previous generation of mobile technology has had the potential to drive economic growth to the extent that 5G promises. It goes beyond connecting people to fully realizing the Internet of Things (IoT) and the Fourth Industrial Revolution.”—The opening paragraph of the June 2019 Ericsson Mobility Report

Almost every significant technology advancement now goes through what Gartner calls the “hype cycle.” These days, Everyone expects new technologies to be met with gushing optimism and dreamy visions of how it’s going to change the world in the blink of an eye. After a while, we all come to expect the vendors and the press to go overboard with excitement, at least until reality and disappointment set in when things don’t pan out exactly as expected.

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15:00
BrandPost: What do Tesla and SD-WAN Have in Common?
» ‎ Network World

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I am the proud owner of a Tesla, a recognized leader in electric vehicles, which makes my daily commute (of almost 3 hours) less stressful and more enjoyable. I also work for Silver Peak, recognized as a Leader in the 2018 Gartner Magic Quadrant for WAN Edge Infrastructure. Both Silver Peak and Tesla have unique positions in different markets.

So, why should I make the tie between Tesla and Silver Peak?

Not only do the two companies continue to innovate in their respective industries, they also continue to disrupt the status quo of the way things have worked for decades to make them work in today’s fast-paced world. Just as Tesla has transformed the automotive industry by developing the most innovative self-driving vehicle, at Silver Peak, we don’t think of SD-WAN just as a Software-Defined WAN, but as a self-driving wide area network that learns and adapts to keep pace with the changing requirements of today’s cloud-first enterprises.

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0:57
10 of the world's fastest supercomputers
» ‎ Network World

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10 of the world's fastest supercomputers
Image by Henrik5000 / Getty Images

Results of the June 2019 TOP500 ranking of the world’s fastest supercomputers is in, and for the first time each of the top 500 delivering at least 1 petaflop of performance. China has the most systems on the list – 219 – and the U.S. claims five of the top 10. Lenovo tops the list of manufacturers on the list, with 173 systems made by the Chinese company. Intel chips appear in 95.6 percent of the systems on the list. Just one new system joined the top 10, with the other nine having appeared somewhere among the 500 in previous rankings. This slideshow includes a brief description of the top 10 accompanied by photos of the systems.

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June 17, 2019
18:45
BrandPost: How to Win at Customer Support in the Age of Digital Transformation
» ‎ Network World

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The era of digital transformation has injected new life into the old wisdom, “the only constant in life is change.” In our plugged-in world, change is happening at a breakneck pace and it’s pretty much impacting everything, including support. How users want to be supported and what defines a good support experience seems to be constantly evolving as the devices, connections, and channels users choose changes.

So when it comes to providing fast and easy support for internal employees or external customers, what worked yesterday probably won’t carry you through tomorrow. Companies must strategize on how to keep up in this new support landscape or be left behind by your customers and the competition.

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17:22
Exploring /run on Linux
» ‎ Network World

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If you haven’t been paying close attention, you might not have noticed a small but significant change in how Linux systems work with respect to runtime data. A re-arrangement of how and where it’s accessible in the file system started taking hold about eight years ago. And while this change might not have been big enough of a splash to wet your socks, it provides some additional consistency in the Linux file system and is worthy of some exploration.

To get started, cd your way over to /run. If you use df to check it out, you’ll see something like this:
```
$ df -k .
Filesystem     1K-blocks  Used Available Use% Mounted on
tmpfs             609984  2604    607380   1% /run
```
Identified as a “tmpfs” (temporary file system), we know that the files and directories in /run are not stored on disk but only in volatile memory. They represent data kept in memory (or disk-based swap) that takes on the appearance of a mounted file system to allow it to be more accessible and easier to manage.

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13:30
Survey: Data-center staffing shortage remains challenging
» ‎ Network World

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It’s getting harder to find people to design, build and manage data centers.

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(Insider Story)
June 14, 2019
19:42
VMware eyes Avi Networks for data-center software
» ‎ Network World

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VMware punched up its data-center network virtualization capabilities by announcing it would buy Avi Networks load balancing, analytics and application-delivery technology for an undisclosed amount.

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(Insider Story)
18:16
Report: Mirai tries to wrap its tentacles around SD-WAN
» ‎ Network World

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Mirai – the software that has hijacked hundreds of thousands of internet-connected devices to launch massive DDoS attacks – now goes beyond recruiting just IoT products; it also includes code that seeks to exploit a vulnerability in corporate SD-WAN gear.

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(Insider Story)
14:06
Western Digital launches open-source zettabyte storage initiative
» ‎ Network World

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Western Digital has announced a project called the Zoned Storage initiative that leverages new technology to create more efficient zettabyte-scale data storage for data centers by improving how data is organized when it is stored.

As part of this, the company also launched a developer site that will host open-source, standards-based tools and other resources.

The Zoned Storage architecture is designed for Western Digital hardware and its shingled magnetic recording (SMR) HDDs, which hold up to 15TB of data, as well as the emerging zoned namespaces (ZNS) standard for NVMe SSDs, designed to deliver better endurance and predictability.

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13:40
How to send email from the Linux command line
» ‎ Network World

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There are several ways to send email from the Linux command line. Some are very simple and others more complicated, but offer some very useful features. The choice depends on what you want to do -– whether you want to get a quick message off to a co-worker or send a more complicated message with an attachment to a large group of people. Here's a look at some of the options:
mail
The easiest way to send a simple message from the Linux command line is to use the mail command. Maybe you need to remind your boss that you're leaving a little early that day. You could use a command like this one:
```
$ echo "Reminder: Leaving at 4 PM today" | mail -s "early departure" myboss
```
[ Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ]
Another option is to grab your message text from a file that contains the content you want to send:

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June 13, 2019
17:12
Oracle updates Exadata at long last with AI and machine learning abilities
» ‎ Network World

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After a rather long period of silence, Oracle announced an update to its server line, the Oracle Exadata Database Machine X8, which features hardware and software enhancements that include artificial intelligence (AI) and machine learning capabilities, as well as support for hybrid cloud.

Oracle acquired a hardware business nine years ago with the purchase of Sun Microsystems. It steadily whittled down the offerings, getting out of the commodity hardware business in favor of high-end mission-critical hardware. Whereas the Exalogic line is more of a general-purpose appliance running Oracle’s own version of Linux, Exadata is a purpose-built database server, and they really made some upgrades.

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14:11
Data centers should sell spare UPS capacity to the grid
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The energy storage capacity in uninterruptable power supply (UPS) batteries, languishing often dormant in data centers, could provide new revenue streams for those data centers, says Eaton, a major electrical power management company.

Excess, grid-generated power, created during times of low demand, should be stored on the now-proliferating lithium-backup power systems strewn worldwide in data centers, Eaton says. Then, using an algorithm tied to grid-demand, electricity should be withdrawn as necessary for grid use. It would then be slid back onto the backup batteries when not needed.
[ Read also: How server disaggregation can boost data center efficiency | Get regularly scheduled insights: Sign up for Network World newsletters ]
The concept is called Distributed Energy and has been gaining traction in part because electrical generation is changing—emerging green power, such as wind and solar, being used now at the grid-level have considerations that differ from the now-retiring, fossil-fuel power generation. You can generate solar only in daylight, yet much demand takes place on dark evenings, for example.

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6:00
When to use 5G, when to use Wi-Fi 6
» ‎ Network World

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We have seen hype about whether 5G cellular or Wi-Fi 6 will win in the enterprise, but the reality is that the two are largely complementary with an overlap for some use cases, which will make for an interesting competitive environment through the early 2020s.

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(Insider Story)
June 12, 2019
17:39
Dell and Cisco extend VxBlock integration with new features
» ‎ Network World

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Just two months ago Dell EMC and Cisco renewed their converged infrastructure vows, and now the two have taken another step in the alliance. At this year’s at Cisco Live event taking place in San Diego, the two announced plans to expand VxBlock 1000 integration across servers, networking, storage, and data protection.

This is done through support of NVMe over Fabrics (NVMe-oF), which allows enterprise SSDs to talk to each other directly through a high-speed fabric. NVMe is an important advance because SATA and PCI Express SSDs could never talk directly to other drives before until NVMe came along.

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16:58
IDG Contributor Network: Software Defined Perimeter (SDP): Creating a new network perimeter
» ‎ Network World

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Networks were initially designed to create internal segments that were separated from the external world by using a fixed perimeter. The internal network was deemed trustworthy, whereas the external was considered hostile. However, this is still the foundation for most networking professionals even though a lot has changed since the inception of the design.

More often than not the fixed perimeter consists of a number of network and security appliances, thereby creating a service chained stack, resulting in appliance sprawl. Typically, the appliances that a user may need to pass to get to the internal LAN may vary. But generally, the stack would consist of global load balancers, external firewall, DDoS appliance, VPN concentrator, internal firewall and eventually LAN segments.

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13:59
Cisco offers cloud-based security for SD-WAN resources
» ‎ Network World

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SAN DIEGO— As many companies look to SD-WAN technology to reduce costs, improve connectivity and streamline branch office access, one of the key requirements will be solid security technologies to protect corporate resources.

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(Insider Story)
11:30
IoT security vs. privacy: Which is a bigger issue?
» ‎ Network World

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If you follow the news surrounding the internet of things (IoT), you know that security issues have long been a key concern for IoT consumers, enterprises, and vendors. Those issues are very real, but I’m becoming increasingly convinced that related but fundamentally different privacy vulnerabilities may well be an even bigger threat to the success of the IoT.

In June alone, we’ve seen a flood of IoT privacy issues inundate the news cycle, and observers are increasingly sounding the alarm that IoT users should be paying attention to what happens to the data collected by IoT devices.
[ Also read: It’s time for the IoT to 'optimize for trust' and A corporate guide to addressing IoT security ]
Predictably, most of the teeth-gnashing has come on the consumer side, but that doesn’t mean enterprises users are immune to the issue. One the one hand, just like consumers, companies are vulnerable to their proprietary information being improperly shared and misused. More immediately, companies may face backlash from their own customers if they are seen as not properly guarding the data they collect via the IoT. Too often, in fact, enterprises shoot themselves in the foot on privacy issues, with practices that range from tone-deaf to exploitative to downright illegal—leading almost two-thirds (63%) of consumers to describe IoT data collection as “creepy,” while more than half (53%) “distrust connected devices to protect their privacy and handle information in a responsible manner.”

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7:26
Huawei may get a 2-year reprieve on Trump ban
» ‎ Network World

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While President Trump wants to ban sales of Huawei networking gear in the U.S., the acting head of the Office of Management and Budget recommends putting that action off for two years because it would place too great a burden on U.S. companies supplying Huawei and using its equipment.

If the ban goes through it will put the squeeze on the Chinese vendor, and the U.S. action could influence its allies to follow suit, further pressuring the company.

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6:54
As workloads migrate back from public clouds, hybrid cloud grows
» ‎ Network World

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Cloud computing gained popularity for its ease-of-deployment and flexible resource consumption, and while that works for many critical applications, it is not a panacea for every app an enterprise supports. That’s why as cloud adoption continues to rise, some companies are opting to bring workloads back on-premise in certain scenarios.

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(Insider Story)
6:46
Free course - Ethical Hacking: Hacking the Internet of Things
» ‎ Network World

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IoT devices are proliferating on corporate networks, gathering data that enables organizations to make smarter business decisions, improve productivity and help avoid costly equipment failures, but there is one big downside – security of the internet of things remains a problem.

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(Insider Story)
June 11, 2019
21:16
The carbon footprints of IT shops that train AI models are huge
» ‎ Network World

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A new research paper from the University of Massachusetts, Amherst looked at the carbon dioxide (CO2) generated over the course of training several common large artificial intelligence (AI) models and found that the process can generate nearly five times the amount as an average American car over its lifetime plus the process of making the car itself.

The paper specifically examined the model training process for natural-language processing (NLP), which is how AI handles natural language interactions. The study found that during the training process, more than 626,000 pounds of carbon dioxide is generated.

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