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June 10, 2021
23:46
Sunlight aims at more efficient virtualization
» ‎ Network World

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Virtualization software is dated and does not take full advantage of modern hardware, making it extremely power-inefficient and forcing data centers to overprovision hardware to avoid poor performance.

That’s the pitch of Sunlight, a virtualization-software vendor whose products take advantage of technologies that didn’t exist when Xen, KVM, VMware and Hyper-V were first developed.
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“The cloud infrastructure or virtualization stacks have been designed and built 15 to 20 years ago,” said Kosten Metreweli, chief strategy officer of Sunlight. “So the big problem here is that back then, I/O, and particularly storage, was really slow. So fast forward, and we now have NVMe storage, which pushes millions of IOPS from a single device, which is orders of magnitude better than was possible just a few years ago.”

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22:57
Cisco upgrades intent-based-networking performance, security, analytics
» ‎ Network World

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Cisco brought new features to its DNA Center network-control platform that promise to improve performance, management analytics and security for its enterprise network customers.

The new software features integration of a ThousandEyes agent that bulks-up the platform’s network-intelligence monitoring, a two-fold increase in the number of clients the system can support, and improved security and operational capabilities.
NaaS is the future but it's got challenges
DNA Center is the heart of Cisco’s intent-based networking strategy and is the vendor’s core-networking control platform supporting myriad services from analytics, network management and automation to assurance setting, fabric provisioning, and policy-based segmentation for wired and wireless enterprise networks.

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June 09, 2021
16:35
New NVMe spec brings new support for hard drives
» ‎ Network World

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The new NVM Express 2.0 has been released and with it a surprise: The non-volatile memory express protocol—best known for handling SSD speeds—is now offering full-blown support for traditional hard-disk drives.

This is quite unexpected because SSDs are orders of magnitude faster than traditional HDDs.
[ Read also: How to plan a software-defined data-center network ]
The first flash-based SSDs used SATA/SAS physical interfaces borrowed from existing hard drive-based enterprise server/ storage systems. However, none of these interfaces and protocols were designed for high-speed storage media and the SATA/SAS bus became a bottleneck for the much faster SSD.

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3:55
Weekly internet health check, US and worldwide
» ‎ Network World

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The reliability of services delivered by ISPs, cloud providers and conferencing services (a.k.a. unified communications-as-a-service (UCaaS)) is an indication of how well served businesses are via the internet.

ThousandEyes is monitoring how these providers are handling the performance challenges they face. It will provide Network World a roundup of interesting events of the week in the delivery of these services, and Network World will provide a summary here. Stop back next week for another update, and see more details here.

Get regularly scheduled insights by signing up for Network World newsletters

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3:37
Why the cloud will never eat the data center
» ‎ Network World

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Sometimes it’s hard to see gradual changes in technology paradigms because they’re gradual. Sometimes it helps to play “Just suppose…” and see where it leads. So, just suppose that the cloud did what some radical thinkers say, and “absorbed the network”. That’s sure an exciting tag line, but is this even possible, and how might it come about?

Companies are already committed to a virtual form of networking for their WAN services, based on VPNs or SD-WAN, rather than building their own WANs from pipes and routers. That was a big step, so what could be happening to make WANs even more virtual, to the point where the cloud could subsume them? It would have to be a data-center change.

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June 07, 2021
12:00
What you can find out asking which, whereis and whatis in Linux
» ‎ Network World

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The which, whereis and whatis commands on a Linux system provide information about commands. They provide related but not identical information. In this post, we’ll check out the differences and provide a script for getting information that’s available from all three commands. We’ll also explore some sample commands for looking at secondary (i.e., not section 1) man pages.
which
The which command will show you the file-system location for a command’s executable. This is the file that is read and run whenever you type the command name.
```
$ which date
/usr/bin/date
$ which shutdown
/usr/sbin/shutdown
```
Summarizing your command-line usage on Linux
The which command will also report on your aliases and show you the commands they invoke.

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12:00
US IT salaries start to grow as jobs growth remains steady
» ‎ Network World

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With the IT pro jobs market steady, competition for some candidates is pushing up salaries, with IT execs seeing the largest gains and staff members seeing the least.
June 04, 2021
21:17
BrandPost: When It Comes to Securing a “Branch of One”, Integration and Coordination Matter
» ‎ Network World

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Today, the need for security is at an all-time high. Huge, high-profile ransomware attacks hit the news all too often, so it's not a surprise that cybersecurity pros are trying everything to secure their networks. Many people frantically buy every new solution out there but throwing multiple point products at the problem isn't the answer. Too many products inevitably lead to too much complexity. Managing multiple vendors and products with little integration or coordination can turn into a time-consuming mess. A well-integrated platform, especially one designed with open APIs and common standards to enable true interoperability with third-party solutions, is a much more effective strategy. And it's certainly easier to manage.

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20:29
New Cisco servers embrace hybrid cloud
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Cisco has added a new class of servers to its Unified Computing System that are more flexible and outfitted with management software geared to hybrid cloud.

The UCS X-Series is the first major redisign since UCS hit the market in 2009. The company says the modular hardware architecture is future-proofed because it can accomodate new generations of processors, storage, nonvolatile memory, accelerators, and interconnects as they come along. Prior UCS chassis were either blade systems for power efficiency or rack systems for expandability, but the UCS X-Series combines both in the same chassis.

This means the single server type is able to support a broader range of tasks, from virtualized workloads, traditional enterprise applications, and databases to private cloud and cloud-native applications. The individual modules are interconnected into a fabric that can support IP networking, Fibre Channel SAN, and management connectivity.

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15:00
Supermicro launches liquid cooling initiative
» ‎ Network World

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Super Micro Computer, a.k.a. Supermicro, is adding a range of liquid cooling solutions to its server products. Working with customers, Supermicro will design, implement and test the latest liquid cooling technologies at the rack level. Customers who implement liquid cooling can improve data center PUE (power usage effectiveness) and TCO by more than 40% by cutting power costs, the company says.

The cooling is for new systems coming to market. Like most OEMs that support liquid cooling, Supermicro isn’t recommending retrofits to existing installations. It cites two reasons: One, it would be expensive, as you’d have to drill into the rack and server chassis to make room for the cooling piping. And two, the entire rack or cluster would have to be inactive while the retrofit was being done, and most firms won’t tolerate that.

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12:00
Experimental Morpheus CPU is ‘mind-bogglingly terrible’ to crack
» ‎ Network World

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To many of us, Morpheus is a character played by Laurence Fishburne in The Matrix movies. To others, Morpheus is the Greek god of sleep and dreams. To others still, Morpheus is a digital synthesizer from the early ‘90s that developed a cult following.The Morpheus we’re discussing today, however, is of far greater relevance to enterprise IT professionals who constantly are searching for ways to protect their networks from the ever-present threat of hackers.

Developed by a team at the University of Michigan, this Morpheus is a CPU that ingeniously protects against hacking attempts by using encryption that changes every few milliseconds, which prevents intruders from getting a fix on how a system is set up. This makes cracking the encryption nearly impossible and is sure to drive hackers crazy.

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June 02, 2021
18:23
Could antiferromagnetic chips replace silicon?
» ‎ Network World

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We probably wouldn’t have a Digital Age without silicon.

The second most abundant element in the Earth’s crust (oxygen is No. 1), silicon is cheap and has the ability to conduct electricity and/or act as an insulator. Converted into silicon wafers, it powers the computers, smartphones and other electronic devices we use to work and, importantly, to avoid work. So clearly silicon is indispensable.

Or maybe not. Our insatiable demand for more and more data, along with the need to store it, is pushing the limits of what silicon can deliver in terms of speed, density, and security. In a bid to find a worthy successor to silicon-based memory devices, MIT physicists are zeroing in something called antiferromagnets.

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17:17
BrandPost: Improving User and Machine Experiences Using Automated Incident Detection
» ‎ Network World

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By Tim Vanevenhoven, Director of Business Development and Strategic Partnerships.

As customers return to stores, restaurants, and public venues, companies are increasingly leveraging mobile point-of-service tools to acquire and retain customers and run back-office operations. Whether it’s a mobile point-of-sale terminal, a portable receipt printer, or a wireless inventory barcode scanner, the business-critical roles played by these devices requires always-on network access and always-up application performance.

Standard IT troubleshooting and diagnostic tools examine segments of the device-to-network-to-application roundtrip, but they don’t provide an end-to-end view of the journey. They can’t tell if the user’s experience with an application is degrading or why.

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June 01, 2021
14:13
Open-source: Get SLAs to protect network apps with open-source components
» ‎ Network World

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The continuous influx of open-source software (OSS) into enterprise IT departments is, in many ways, an enormous boon to both vendors and users. For the former, the ability to use open source components means getting rid of a great deal of duplicative effort—rather than having to design every part of, say, an IoT sensor and monitoring product from scratch, a vendor can adopt a well-understood, well-supported open source library for its networking stack, and focus more of its attention on the sensing and data analysis features that will set the product apart from its competitors.

For end-users, one of the chief advantages is—at least in theory—the improved security that’s part of the usual sales pitch for open source software. The idea here is that the open nature of a piece of software—and the fact that anyone can look at it to discover and correct security flaws—means that it’s generally going to be more secure than a proprietary equivalent.

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May 31, 2021
12:00
Make sure your laptop backups can handle ransomware
» ‎ Network World

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With increasingly mobile workforces, it’s important to effectively backup corporate data that resides on laptops, which requires a unique set of features not found in traditional backup systems used for desktops attached to corporate LANs.

Laptops have all the functionality of desktops, but are readily lost or stolen, have limited bandwidth for connectivity to corporate resources, and can spend unpredictable spans of time disconnected or turned off. So it’s important to find backup options that meet these challenges, which can also include ransomware attacks.
Backup lessons from a cloud-storage disaster
Backing up laptops properly also makes upgrading them much easier, especially in the world of remote work. A good backup system can restore a user’s profile and data, and makes replacing a laptop much simpler for both the IT department and the person whose laptop is being replaced. With the right system in place, all you have to do is ship them a new laptop. They can restore their own profile and data without IT intervention, saving time, effort, and a lot of money.

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12:00
Troubleshooting your bash scripts
» ‎ Network World

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If you run into problems building, testing or running complex bash scripts, don't lose heart. There are many ways you can help ensure that your scripts will work flawlessly. In this post, we'll examine some ways you can lessen the likelihood of errors and how to go about doing some simple but very effective troubleshooting.

Through a combination of robust logic that tests for possible problems and some troubleshooting to help detect errors, your scripts are likely to be ready for showtime very quickly.
Summarizing your command-line usage on Linux Building the outer edges first
One way to avoid syntactical errors in scripts is to start your for and while loops, case statements and if/then commands using the outer logic first. If you start your script logic using a syntactical "skeleton", you won't forget to end it properly.

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May 28, 2021
12:00
Edge devices improve drilling efficiency for energy company
» ‎ Network World

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Moving compute and storage resources to edge locations can reduce latency and bandwidth needs, improve performance and save money. At the same time, widespread edge computing deployments can introduce significant management challenges. Servers can be hard enough to maintain when they’re in an on-prem data center. What if they’re deployed in the middle of nowhere?

Energy companies know all too well the challenges of remote computing.

“When we drill a well, it’s always in the middle of nowhere,” says Dingzhou Cao, senior advisor for data science at independent shale producer Devon Energy, a Fortune 500 company based in Oklahoma City, Okla.

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12:00
CIO Think Tank Roadmap Report: Reinventing IT
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As companies accelerate out of pandemic disruption, how can IT meet increasing demands — and reap unprecedented benefits? In a series of virtual roundtables, dozens of IT leaders offered key insights about the road ahead.
May 27, 2021
19:07
BrandPost: The five core components that will drive the next wave of banking innovation
» ‎ Network World

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The growth in online banking has been – and will continue to be – rapid. From a valuation of $11.43 billion in 2019, the projections are that it will reach $31.81 billion by 2027, at a CAGR of 13.6%.

For the incumbent banking system, this rapid growth poses a real and ongoing challenge, as it has opened the door to unconventional disruption and new competition. Non-banking companies are now able to bring different business models and expertise in customer experience to the financial services sector. New products and services are being adopted enthusiastically by consumers, and indeed, there is the rise of entirely new forms of currency and payments that are changing how we think about money.

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17:32
BrandPost: The Changing Role of IT Leadership Post-Pandemic
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The pandemic has raised the status and prospects of IT leaders within their organizations. But, what now? How can they capitalize on successes? Which pitfalls should they avoid?

These were just some of the questions recently discussed during an IDG TECHTalk Twitter chat, sponsored by Comcast. The robust forum — summarized here — was led by Isaac Sacolick (@nyike), CIO contributing editor and author of Driving Digital. Answers lightly edited for clarity.

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14:32
Oracle commits to Arm in the cloud
» ‎ Network World

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Oracle is not the first name in cloud computing, but never let it be said Larry and company don’t try. It is making a big push with its Oracle Cloud Infrastructure (OCI) by offering Arm processor instances and new initiatives with the open-source community.

The new instances are powered by Altra, Ampere’s 64-bit Arm processor, and are priced at 1 cent per core hour, which Oracle claims is the lowest price/performance available when compared to any x86 instance on a per-core basis.

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0:14
Center for Internet Security: 18 security controls you need
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The Center for Internet Security has updated its set of safeguards for warding off the five most common types of attacks facing enterprise networks—web-application hacking, insider and privilege misuse, malware, ransomware, and targeted intrusions.

In issuing its CIS Controls V8 this month, the organization sought to present practical and specific actions businesses can take to protect their networks and data. These range from making an inventory of enterprise assets to account management to auditing logs.

In part the new version was needed to address changes to how businesses operate since V7 was issued three years ago, and those changes guided the work. “Movement to cloud-based computing, virtualization, mobility, outsourcing, work-from-home, and changing attacker tactics have been central in every discussion,” the new controls document says.

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May 26, 2021
19:41
BrandPost: SD-WAN Enables Secure, Seamless and Superior User Experience for the Cloud On-Ramp
» ‎ Network World

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Over 90% of enterprises now leverage multi-cloud and hybrid (public/private) cloud environments as a critical component of their networking and business strategy. As a result, essential data and business-critical applications may reside anywhere—whether on-campus, at a branch office, in the data center, or the cloud. And of course, where these applications live should be transparent to the end-user. Secure SD-WAN provides organizations the reliable and secure connectivity and user experience they need for their cloud on-ramp journey.

SD-WAN has accelerated business transformation

Today, any user on any device from any location should be able to access whatever applications and data they need to do their jobs. And their experience should be pretty consistent, regardless of the how or where or what. That makes things like on-demand scalability and seamless connectivity critical considerations—which means that applications and data need to be seamlessly interconnected across clouds, data centers, and branches.

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0:26
Juniper Networks upgrades its Apstra intent-based networking software
» ‎ Network World

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Juniper Networks is releasing the latest version of its Apstra intent-based networking software that includes new monitoring features and configuration templates as well as better integration with VMware’s NSX virtualization and security platform.

In January, Juniper bought Apstra and its Apstra Operating System (AOS), which was developed from the start to support IBN features. Once deployed, AOS—now just called Apstra—keeps a real-time repository of configuration, telemetry and validation information to ensure the network is doing what customers want it to do. Apstra also includes automation features to provide consistent network and security policies for workloads across physical and virtual infrastructures.

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May 25, 2021
14:00
Aruba Wi-Fi 6E access point to launch this fall
» ‎ Network World

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Business users looking for an upgrade to the very latest Wi-Fi standard, also known as Wi-Fi 6E, now have the option of Aruba’s new AP 635, the company announced this morning.
Wi-Fi resources
Wi-Fi 6E works much the same as Wi-Fi 6, sharing that standard’s improved ability to handle dense client environments, high throughput, and advanced multi-user and multi-antenna functionality. The new feature is the ability to use the 6GHz spectrum that the FCC opened in April 2020 to unlicensed users, representing a two-fold increase in the spectrum available for WI-Fi. That added spectrum means that Wi-Fi users can take advantage of much wider channels, leading to commensurately higher throughput.

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3:54
Ampere points server chip roadmap toward cloud computing
» ‎ Network World

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Ampere, the chip startup building Arm-based server processors and led by former Intel exec Renee James, has updated its product roadmap and announced new customers.

The biggest news is that the company is designing its own custom cores for release in 2022. Ampere Altra processors are already on the market but use the Neoverse core from Arm. When it introduces the next generation Ampere built on a 5nm process next year, it will be with a homegrown core optimized around cloud workloads.

"If you go back to the objectives we had, which were delivering predictable, high performance, scalability and power efficiency, we really need to develop our own cores ... to be able to actually focus in on the exact way that the cloud wants single-threaded performance," Jeff Wittich, chief product officer for Ampere, told Network World.

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1:17
Viewing compressed file content on Linux without uncompressing
» ‎ Network World

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If you need to check the contents of a compressed text file on Linux, you don't have to uncompress it first. Instead, you can use a zcat or bzcat command to extract and display file contents while leaving the file intact. The "cat" in each command name tells you that the command's purpose is to display content. The "z" tells you that it works with compressed files.

Which of the two commands to use depends on the type of compressed file you are examining. If the file was compressed with gzip or zip, you would use the zcat command. If the file was compressed with bzip2, you would use the bzcat command. On some systems, zcat might be called gzcat.

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May 24, 2021
18:58
BrandPost: Extending Security to Remote Users Requires a Blended Fabric Strategy
» ‎ Network World

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Living in an untethered digital world is now the new normal, where millions of people now work, shop, and socialize remotely, from any location on any device. And they expect to be able to do so long after the Covid-19 pandemic is over. According to one survey, ninety-six percent of remote workers want to either continue working remotely full-time or want to return to a hybrid remote/office work environment post-pandemic. In fact, a recent online survey reported that twenty-nine percent of working professionals say they would quit their jobs if they are required to return to the office.

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May 19, 2021
23:39
Mythic AI gets funding to mass-produce edge chips
» ‎ Network World

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Just six months after unveiling its first AI inferencing processor, Mythic AI has announced a new round of funding for $70 million in Series C investment to begin mass production of its chips and to develop its next generation of hardware and software products.

In November, the company announced the M1108 Analog Matrix Processor (AMP) aimed at edge AI deployments across a wide range of applications, including manufacturing, video surveillance, smart cities, smart homes, AR/VR, and drones.
Now see "How to manage your power bill while adopting AI"
For a company that is nine years old and has zero sales, it’s got some heavy hitters behind it. The new investment round was led by led by venture fund giant BlackRock and Hewlett Packard Enterprise (HPE). Other investors include Alumni Ventures Group and UDC Ventures.

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18:28
Palo Alto Networks pushes enterprise zero trust
» ‎ Network World

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Palo Alto Networks bolstered its security portfolio with products that target enterprise network users looking to make the move to a zero-trust environment.

The new capabilities focus on a number of zero trust mechanisms—including SaaS, cloud and DNS that will be available in June—and will make it significantly easier for organizations to adopt zero-trust security across the enterprise, according to Anand Oswal, senior vice president and general manager with Palo Alto.

More about DNS:
- DNS in the cloud: Why and why not
- DNS">[https-seeks-to-make-internet-use-more-private.html">DNS] over [HTTPS] seeks to make internet use more private
- How to protect your infrastructure from DNS cache poisoning
- ICANN housecleaning revokes old DNS security key
As more people are working from anywhere, they require fast and always-on access to data and applications in the distributed cloud, regardless of location, Oswal said. “An all-encompassing zero-trust approach to network security is critical for safeguarding productivity in the new reality of remote, mobile, and hybrid work,” he said.

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0:05
Weekly internet health check, US and worldwide
» ‎ Network World

Tags: [edit]

The reliability of services delivered by ISPs, cloud providers and conferencing services (a.k.a. unified communications-as-a-service (UCaaS)) is an indication of how well served businesses are via the internet.

ThousandEyes is monitoring how these providers are handling the performance challenges they face. It will provide Network World a roundup of interesting events of the week in the delivery of these services, and Network World will provide a summary here. Stop back next week for another update, and see more details here.

Get regularly scheduled insights by signing up for Network World newsletters

To read this article in full, please click here
May 18, 2021
19:25
Cisco CEO: There's no enterprise perimeter to defend anymore
» ‎ Network World

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Erosion of the traditional network perimeter and the transition to work-from-anywhere have conspired to bring an unprecedented threat level to endpoint devices, users, and applications, Cisco CEO Chuck Robbins told the online audience at the virtual RSA Conference 2021.

Such threats are exacerbated by the fact that over 3,500 vendors offer security products and services that many customers patchwork together, creating complexity that makes it hard for many to build an effective security position, Robbins said.
Backup lessons from a cloud-storage disaster
Against that backdrop, Cisco announced a number of security moves to further integrate and upgrade its own overarching offerings with new features and services.

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11:00
The timeline for quantum computing is getting shorter
» ‎ Network World

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Financial traders rely heavily on computer financial simulations for making buying and selling decisions. Specifically, “Monte Carlo” simulations are used to assess risk and simulate prices for a wide range of financial instruments. These simulations also can be used in corporate finance and for portfolio management.

But in a digital world where other industries routinely leverage real-time data, financial traders are working with the digital equivalent of the Pony Express. That’s because Monte Carlo simulations involve such an insanely large number of complex calculations that they consume more time and computational resources than a 14-team, two-quarterback online fantasy football league with Superflex position.

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11:00
Using Gimp to modify PDF files
» ‎ Network World

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If you’ve never used Gimp—a free image editor available for GNU/Linux, OS X, Windows and other operating systems—you might be quite surprised by its capabilities

I use it for everything from Facebook posts when the available backgrounds don’t work well for what I want to say to political buttons that I design and press out using a button-making machine.
Converting and manipulating image files with Linux commands
Gimp can do everything from resizing and cropping images to adding text, changing colors or distorting images in artistic ways. You can use it to draw with its pencil or paintbrush and layer additional images. It’s quite a versatile tool. Yet I only recently noticed that it can also be used to manipulate PDF files, not just the many types of image files that most people use it to create, modify or enhance.

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6:01
Chip shortage will hit IT-hardware buyers for months to years
» ‎ Network World

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A shortage of all sorts of processors and other components could affect the availability and price of IT hardware for the next 12 to 18 months, according to CEOs of major tech companies including Intel, IBM, Extreme, Cisco and Juniper.

COVID-19 triggered an explosion of the global remote workforce, which created an extraordinary demand for new tech gear. It also forced the shutdown of processor plants, and restarting them and renewing supply chains to their pre-pandemic state will be a lengthy process, according to industry executives and analysts. Beyond the pandemic, a recent fire at a large chip plant in Japan didn’t help.

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May 17, 2021
19:22
BrandPost: Security Should be a Catalyst, not an Obstacle, to Widespread 5G Adoption
» ‎ Network World

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5G is enabling accelerated digital transformation and more innovation for enterprises and mobile network operators (MNOs), with support for massive IoT deployments, ultra-high reliability and low latency wireless networks. However, as with all new technologies, 5G also introduces new security challenges that need to be addressed at the same pace of business requirements. To keep pace, and not introduce bottlenecks, security must operate at the same speed as 5G network ecosystems.

Indeed, to realize the full potential of 5G, a new network ecosystem is being created, comprised of enterprises, mobile network operators, and hyperscale cloud service providers. This ecosystem will harness 5G capabilities, resulting in new innovation and transformative value-added services. However, 5G networks are complex, highly distributed, with a broad attack surface and multiple network edges that bring new risks.

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18:05
Pure Storage inches toward a cloud business model
» ‎ Network World

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Pure Storage is upgrading to its Portworx Enterprise software that improves the scale of Kubernetes while simplifying the process of supporting multiple platforms.

Portworx Enterprise 2.8 features new integrations across Pure’s line of products and services and with VMware Tanzu, VMware’s container-orchestration software. It comes with dynamic storage provisioning on Pure’s FlashArray and FlashBlade hardware and offers unified visibility and support via Pure1, Pure’s AI-drive operations software.

Read about backup and recovery:
This allows volumes and file systems to be provisioned using Kubernetes without the need to directly interface with the backing storage arrays. That means containerized workloads can run seamlessly across the cloud, bare metal infrastructure, Pure Storage arrays, and even storage solutions from other vendors.

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14:47
Tech Resume Library: 27 downloadable templates for IT pros
» ‎ Network World

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A well-crafted resume will attract recruiters, HR pros and hiring managers, but getting it just right is a daunting task. To jump start the process, Insider Pro has assembled this collection of real resumes revamped by professional resume writers. (Watch this space for new templates.)
12:00
IoT helps make return-to-work safer
» ‎ Network World

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With more employees preparing to return to company offices at least part of the time, businesses have turned their attention to ensuring the safety of workers—given the ongoing Covid-19 pandemic. In some cases, Internet of Things (IoT) and networking technologies are playing a key role in these efforts.

In fact, organizations might make decisions on when and how to bring workers back based on how well they can monitor them and their behavior using these tools.

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May 15, 2021
0:16
‘FragAttack’ flaws threaten Wi-Fi, but not too seriously
» ‎ Network World

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Almost all Wi-Fi is potentially vulnerable to flaws that date back to 1997 when it became commercially available, but even the person who discovered the weaknesses says some of them are difficult to exploit.
Wi-Fi resources
Mathy Vanhoef, a post-doctoral student at NYU Abu Dhabi, has created attacks—FragAttacks—that take advantage of the vulnerabilities, but in an academic paper about them, says the most widespread vulnerabilities can be exploited only under specific, rare conditions, and require either user interaction or highly unusual configurations to succeed.

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May 13, 2021
21:52
BrandPost: The secret of delivering private-line experience over optical networks
» ‎ Network World

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The world stands on the brink of the fourth industrial revolution – the confluence of new technologies like cloud computing, big data analytics, and IoT have reached a tipping point where enterprises can successfully process workloads in the cloud like never before.

Indeed, 85% of enterprises will have deployed new digital infrastructure in the cloud by 2025, according to industry analyst IDC. In the US, the cloud migration rate of enterprises has exceeded 85% and in EU countries has reached 70%.

Governments are a key catalyst for this change, as they push whole economies to digitize to improve whole of society benefits and increase national productivity.

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16:30
BrandPost: The Cloud Era Becomes an Achievable Reality with Huawei CloudCampus 3.0
» ‎ Network World

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IDC research suggests that there will be more than 50 billion Internet-connected devices by 2025: 14 billion non-IoT devices and another 41 billion connected IoT devices. In addition to that, enterprises are relying on Internet-connected services more than ever; 80% of new revenue will come from digital services by next year, and those digital services will be delivered over complex cloud environments.

And yet, also according to IDC, 62% of enterprise IT leaders reported that they were only “somewhat satisfied” with the performance of their Wi-Fi environment, indicating that there is a lot of room for businesses to upgrade their Internet environments to take full advantage of the opportunities that these connected devices and cloud services provide.

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16:00
BrandPost: Helping Building Owners Streamline Costs and Improve Experience for Tenants with Aruba ESP
» ‎ Network World

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Eve-Marie Lanza, Sr. Manager of Solutions Marketing at Aruba, a Hewlett Packard Enterprise company.

For anyone who has lived in a dense apartment complex or building, multiple Wi-Fi routers close together competing for limited radio signal space can make accessing the Internet a challenging experience, to say the least. To address the problem, property managers are increasingly treating Wi-Fi as a fifth utility for large multifamily communities, not only to create a better overall online experience for residents but also to leverage a single network to better enable and implement smart home features designed to improve the convenience and comfort of tenants.

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12:00
AMD chips keep claiming more of the server market
» ‎ Network World

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AMD saw another quarter of outstanding growth in sales of its server chips, giving the company its highest single-quarter gain for server CPUs since 2006 and eating into Intel’s most valuable market segment, according to the latest market report from Mercury Research.

We’ll get to the desktop segment later, but AMD’s server CPU share grew 1.8 percentage points from Q4 2020 to Q1 2021, from 7.1% to 8.9%. That is astonishing as server numbers just don’t move like that so quickly. In the same single-quarter period, Intel slipped 1.8 percentage points, from 92.9% to 91.1%.
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There is seasonality in the server market, where it is normal for sales to go down in Q1, Dean McCarron, president of Mercury Research, told me. Cloud-server companies like AWS and Google go through a build/burn cycle where they buy a lot, then take time to deploy it all. Right now we are at the very bottom of build cycle where they buy the least amount, so if they are putting up these kinds of numbers during a low point, it will be even better when they start buying again.

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0:23
VMware picks an in-house exec for its new CEO
» ‎ Network World

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VMware says its COO for products and cloud services, Raghu Raghuram, will be its next permanent CEO, a signal that the company’s board intends to keep VMware on its present course.

When Raghuram takes the reins in June, it will end a four-month interregnum, during which the company has been helmed by CFO Zane Rowe. Former CEO Pat Gelsinger became the CEO at Intel in February, returning to the company where he had worked for 30 years.

VMware is the unquestioned 800-pound gorilla of the enterprise hypervisor market and has pursued both internal technology development and a succession of strategic acquisitions to diversify its business. The company’s hypervisor business, buttressed by deals with AWS, Azure, Google Cloud and other hyperscalers to provide its core products as cloud services, is still the main revenue stream. But VMware also plays in security, containerization, and cloud-native applications.

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0:22
IT vendors push on-prem, pay-per-use hardware
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A flurry of announcements from hardware vendors points to a change in how enterprises are purchasing servers, storage and networking resources for their data centers and edge deployments.

To entice companies to keep workloads on premises, hardware vendors including Cisco, Dell, HPE, IBM, Lenovo and others are offering consumption-based pricing for data-center infrastructure. These pay-per-use products are designed to shorten procurement cycles, allow customers to scale up or down with demand, and more economically link hardware spending with usage.

HPE, for example, pledged to transform its entire portfolio to pay-per-use and as-a-service offerings by 2022, and last week, the company added to its GreenLake lineup with new data services and infrastructure. Dell, for its part, unveiled the first products in its Apex portfolio of managed storage, servers, and hyperconverged infrastructure.

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May 12, 2021
12:00
6 clever command-line tricks for fewer keystrokes
» ‎ Network World

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Linux commands offer a lot of flexibility. This post details some ways to make them even more convenient to use by making use of some clever tricks.
Using file-name completion
You can avoid typing a full file name by typing the beginning of its name and pressing the tab key. If the string uniquely identifies a file, doing this will complete the filename. Otherwise, you can enter another letter in the name and press tab again. However, you can also get a list of all files that begin with a particular string by typing the string and then hitting the tab key twice. In this example, we do both:
```
$ ls di<tab><tab>
diff-commands    dig.1            directory
dig.2            dimensions       disk-usage-commands
$ cd dir<tab>
$ pwd
directory
```
[Find out how MINNIX was used as the inspiration for Linux.]
```
 
```
Reusing commands and changing them
Reissuing recently used commands is easy in bash. To rerun the previous command, all you have to do it type !! on the command line. You can also reissue a command with changes. If you issued the first command shown below only to find that sshd wasn't running, you could issue the second command to start it. It simply replaces "status" with "start".

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12:00
Tech industry remains on a hiring spree
» ‎ Network World

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Overall U.S. employment figures for April may have been dismal but not in the tech sector, which has grown steadily all year, adding 16,000 new jobs in April for a total of 60,900 so far this year.

That’s according to CompTIA‘s analysis of the U.S. Bureau of Labor Statistics’ (BLS) latest Employment Situation Summary. The overall jobs numbers, which came out last week, were dismal. The U.S. created just 266,000 new jobs in April when economists surveyed by Dow Jones and The Wall Street Journal had estimated 1 million new jobs.
Network training 2021: Businesses grow their own expertise
However, there are signs of tech hiring slowing. Employers across all sectors of the economy reduced their hiring of IT workers by an estimated 234,000 positions. This was the first decline after four consecutive months of employment gains. For the year, IT hires have increased by 72,000 positions.

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12:00
US IT jobs growth continues, with pandemic in the rearview mirror
» ‎ Network World

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Both IT professionals and the tech sector overall again saw job growth in April, as the tech industry resumes year-on-year growth, new data shows.
May 11, 2021
23:57
IBM leapfrogs everyone with its 2nm chips
» ‎ Network World

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As TSMC charges to 5nm transistor designs and Intel struggles for 7nm, IBM has topped them all with the world’s first 2-nanometer node chip.

OK, it won’t come to market for four years, according to IBM, and they might not be the first name that comes to mind when you think of processor design, but they are the quiet power in the semiconductor world.
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As far as commercial chips go, IBM makes two: the Power series for its Power line of Unix and Linux servers, and zArchitecture that is used in the z Series of mainframes. But IBM has its IBM Joint Development Alliance which is partnered with just about every semiconductor vendor out there—Intel, AMD, Nvidia, TSMC, Samsung, you name it.

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23:41
9 enterprise-storage startups to watch
» ‎ Network World

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As the enterprise edge expands to include semi-permanent remote workforces, IoT, and a range of applications like AI and M2M, they generate torrents of nonstop data that must be stored indefinitely and be available in near-real-time to users and applications.

Legacy storage architectures are failing to keep up with both data growth and user/application demand. While storage innovation is pushing more workloads into the cloud, many startups have found that the average enterprise is not yet ready for cloud-only storage. Legacy architectures and applications are experiencing extended shelf-lives due to tight IT budgets, and many enterprises still prefer to keep certain workloads on-premises.

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4:28
Weekly internet health check, US and worldwide
» ‎ Network World

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The reliability of services delivered by ISPs, cloud providers and conferencing services (a.k.a. unified communications-as-a-service (UCaaS)) is an indication of how well served businesses are via the internet.

ThousandEyes is monitoring how these providers are handling the performance challenges they face. It will provide Network World a roundup of interesting events of the week in the delivery of these services, and Network World will provide a summary here. Stop back next week for another update, and see more details here.

Get regularly scheduled insights by signing up for Network World newsletters

To read this article in full, please click here
May 10, 2021
21:32
How to avoid the network-as-a-service shell game
» ‎ Network World

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I can’t tell you how many times one of my clients or contacts has complained about the difficulties associated with getting network-budget approval. If I’d never met a CFO in person, the description these people gave me would have led me to expect something like a troll or a zombie, bent on eating projects and maybe people, too. Do we wear garlic when we visit the CFO, or maybe do a chant before the meeting, or might there be a more practical approach?

CFOs aren’t just trying to mess up a good technology project (at least most of the time), they’re trying to validate two basic financial rules that govern technology procurements. Rule One is that any project must advance a company’s financial position and not hurt it. That seems logical, but it’s often difficult to assess just what the return on investment (ROI) of any project is. Rule Two is that you don’t want to buy equipment that you’ll have to replace before it’s been fully depreciated. The useful life of something should be at least as long as the financial life as set by tax laws.

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12:00
Nvidia competitor Graphcore preps US initiative
» ‎ Network World

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A UK-based AI-chip startup is making its first moves into North American to take on Nvidia on its home turf in the enterprise with new channel and reseller partners.

Founded in 2016, Graphcore makes what it calls Intelligence Processing Units (IPUs) and shipped its first product—the Colossus GC2 “massively parallel, mixed-precision floating point processor”—in 2018. In July 2020, it released its second-generation processor called GC200, but news of that was drowned out by all the disruption caused by COVID-19.
Now see "How to manage your power bill while adopting AI"
In addition to chips, the company sells cards and racks. The IPU-M2000 is a 1U blade built around four Colossus GC200 IPU processors, capable of one petaFlop of AI compute. The IPU-POD64 is designed for large-scale deployments and offers the ability to run very large models across as many as 64 IPU processors in parallel.

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12:00
10 features of Windows Admin Center to streamline server administration
» ‎ Network World

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A lot of the value built into Windows Admin Center has to do with it being a remote-management tool that can have a lot of upside in a modern IT shop, including implementing best practices by not logging directly into servers, bringing flexibility to the management architecture, and performing admin tasks from high-DPI or touchscreen devices.

Considered a complement to System Center, Admin Center is a free app, downloadable here, that runs in a browser and can manage Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows 10, Azure Stack HCI through Windows Admin Center Gateway, software installed on Windows Server or domain-joined Windows 10.

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12:00
How does certificate-based authentication work?
» ‎ Network World

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Certificate-based authentication is a cryptographic technique that allows one computer to securely identify itself to another across a network connection, using a document called a public-key certificate.

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(Insider Story)
May 06, 2021
19:57
IBM moves toward consumption-based mainframe pricing
» ‎ Network World

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IBM continues to tweak its venerable mainframe to keep the Big Iron among the talking points in hybrid cloud.

About a year ago the company changed its 20-year mainframe software pricing scheme to make it more palatable to hybrid cloud and multicloud users who might be thinking of moving workloads off the mainframe and into the cloud.

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May 05, 2021
23:29
IBM embraces zero trust with upgraded Cloud Pak service
» ‎ Network World

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IBM has taken the wraps off a version of its Cloud Pak for Security that aims to help customers looking to deploy zero-trust security facilities for enterprise resource protection.

IBM Cloud Paks are bundles of Red Hat’s Kubernetes-based OpenShift Container Platform along with Red Hat Linux and a variety of connecting technologies to let enterprise customers deploy and manage containers on their choice of private or public infrastructure, including AWS, Microsoft Azure, Google Cloud Platform, Alibaba and IBM Cloud.

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17:02
Juniper takes SASE security control to the cloud
» ‎ Network World

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Juniper Networks has laid a key part of its Secure Access Services Edge (SASE) foundation with a cloud-based security-control service that provides a central way to control and protect on-premises or cloud-based enterprise resources.

Called Security Director Cloud, the service focuses Juniper's SASE efforts by providing a central point to manage enterprise security services including policy setting, and threat-detection and -prevention.

Juniper (like other key enterprise networking vendors such as Cisco, Hewlitt-Packard Enterprise (Aruba) and VMware, as well as service providers including Cato Networks, Akamai, and Zscaler) has pledged allegiance to growing SASE support in its product families.

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12:00
Google announces custom video transcoding chip
» ‎ Network World

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You know Google has more money than it could ever spend when it invests in a custom chip to do one task. And now they’ve done it for the third time.

The search giant has developed a new chip and deployed it in its data centers to compress video content. The chips, called Video (Trans)Coding Units, or VCUs, do that faster and more efficiently than traditional CPUs.

In a blog post discussing the project, Jeff Calow, a lead software engineer at Google said the VCU gives the highest YouTube video quality possible on your device while consuming less bandwidth than before.

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12:00
How to best set up command aliases on Linux
» ‎ Network World

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Used frequently, bash aliases can make working on the Linux command line a lot smoother and easier, but they can also be complicated and hard to remember. This post examines how you might make your aliases work for you rather than vice versa.

In general, aliases are especially good for:
- simplifying commands that are long and overly complex
- remembering commands with odd or complicated names
- saving time using commands that you use very often
What you need to keep in mind is that:
- aliases can themselves be hard to remember
- giving an alias the same name as a regular command can be a good thing or a bad thing (more on this shortly)
How to create an alias
Use the alias command and remember to add it to your ~/.bashrc file so that it will still be waiting for you whenever you login.

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11:30
Dell delivers lineup of on-prem, pay-per-use hardware
» ‎ Network World

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Dell is launching a new offering of managed storage, server, and hyperconverged infrastructure that can be deployed in a company's own data center, at edge locations or in colocation facilities, and enterprises pay for capacity as needed.

Dubbed Dell Apex, it includes storage, cloud services, and a console for streamlined management. The launch coincides with the kickoff of Dell Technologies World 2021, which is being held virtually this year.
Now see "How to manage your power bill while adopting AI"
Pay-per-use hardware models such as Dell Apex and HPE GreenLake are designed to deliver cloud-like pricing structures and flexible capacity to private data centers. The concept of pay-per-use hardware isn't new, but the buzz around it is growing. Enterprises are looking for alternatives to buying equipment outright for workloads that aren't a fit for public cloud environments.

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11:00
HPE kicks off software-defined storage-as-a-service
» ‎ Network World

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Hewlett Packard Enterprise took a big step toward delivering on its “entire-portfolio-as-a-service” strategy this week by unveiling cloud-based storage and data service that will help manage storage needs in distributed IT enterpises.

HPE said in 2019 that by 2022 it wanted to remake itself into a more service-oriented company and announced plans to transition its entire portfolio to subscription based, pay-per-use, and as-a-service offerings. It has since made headway, for example, recently adding HPE GreenLake cloud services for HPC.

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May 04, 2021
17:24
Cisco adds to its Catalyst software stack for back-to-work safety
» ‎ Network World

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Cisco has taken the wraps off a technology package it says will utilize existing core wireless and wired systems to help enterprises better control their physical environments and enable a safer, more secure return to the office.

While supporting remote offices and branches of one—IDC says that post-COVID, more than 52% of workers will either remain remote or hybrid—they rest could return to an altered business space.
Who’s selling SASE, and what do you get?
In these offices, sensors and devices that have been used to manage lighting and HVAC systems can be adapted to occupancy and density monitoring, air-quality testing, contact tracing, and in-room presence, according to Anoop Vetteth, vice president of product management with Cisco’s Enterprise Switching and Software Solutions group.

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16:16
BrandPost: SD-WAN underlays and why they matter
» ‎ Network World

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The perfect WAN?
Network technology is constantly evolving. You have more choices than ever when evaluating how to connect your offices, locations, data centers, and remote users.

One of the keys to deploying an optimal Wide Area Network (WAN) that uniquely fits your business is understanding the vast array of underlay and overlay options. Underlay offers connection or transport types such as Multiprotocol Label Switching (MPLS), internet, dedicated internet, fiber, and wireless broadband. Overlay options include Edge devices such as traditional IP routers, software based white boxes, and the vast array of software-defined WAN (SD-WAN) appliances.

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May 03, 2021
21:56
9 tips for speeding up your business Wi-Fi
» ‎ Network World

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The days are long past when a fast office Wi-Fi connection was a nice-to-have. These days it's essential for your business to provide clients and employees alike with a speedy, reliable wireless network.
Wi-Fi resources
Proper site surveying and maintenance are crucial for wireless networks, and especially so for networks with heavy traffic, such as Wi-Fi hotspots at public venues. The same is true when speed is vital, as when streaming video or voice over Wi-Fi.

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17:05
Extreme CEO talks AI, automation, chip shortages
» ‎ Network World

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Fresh off one of the strongest quarters in the company’s 25 year history where it hit double-digit, year-over-year revenue growth and a fourth consecutive quarter of growth, Extreme Networks is betting heavily on automation, AI and cloud management to keep the party going.
Extreme Networks
Extreme CEO Ed Meyercord

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12:00
Tech employers focus on training for IT pros
» ‎ Network World

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IT teams are dealing with rapid technology changes with increased retraining and skill development, according to a report by trade association CompTIA.

Seven in 10 HR professionals surveyed who work with IT personnel said they plan a substantially increased effort to help workers re-skill in the coming year, with larger firms reporting a particularly strong emphasis in that area. Nearly 80% of IT HR professionals employed at such companies rated re-skilling or up-skilling as “more important” for the coming year, in contrast to 68% at medium-sized firms and 52% at smaller businesses.
Network training 2021: Businesses grow their own expertise
These numbers mark a changed relationship between employers and tech, according to CompTIA director of education and ed tech Stephanie Morgan, adding that the pandemic helped force companies to rethink the way they deal with their workers. “Businesses have realized they have to talk about people like they’re people, not like they’re assets,” she said.

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12:00
Next-gen networks: Feds have cash for good ideas
» ‎ Network World

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The National Science Foundation (NSF) is not inclined to wait for next-generation (NextG) networks. And who can blame it? NextG promises faster cellular, Wi-Fi, and satellite networks, all of which can be used to enhance data streaming, wireless communications, analytics, and automation.

For the NSF, this translates into improved national defense, education, public health and safety, transportation, and digital infrastructure. For enterprises, NextG means greater efficiency, flexibility, business insights, and more opportunities to replace human workers with robots. (I’m just sayin’.)

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12:00
IBM updates its storage-systems portfolio
» ‎ Network World

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IBM announced a pair of additions to its storage portfolio designed to improve the access to and management of data across hybrid-cloud environments and offer faster, higher capacity.

The first is container-native software defined storage (SDS) called IBM Spectrum Fusion that’s due out in the second half of 2021. It will initially come in the form of a container-native hyperconverged infrastructure (HCI) system that integrates compute, storage, and networking. Next year, IBM plans to release an SDS-only version of Spectrum Fusion.

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April 16, 2021
22:35
TCP/IP stack vulnerabilities threaten IoT devices
» ‎ Network World

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A set of vulnerabilities in TCP/IP stacks used by FreeBSD and three popular real-time operating systems designed for the IoT was revealed this week by security vendor Forescout and JSOF Research. The nine vulnerabilities could potentially affect 100 million devices in the wild.

Nucleus NET, IPNet and NetX are the other operating systems affected by the vulnerabilities, which a joint report issued by Forescout and JSOF dubbed Name:Wreck.

In a report on the vulnerabilities, Forescout writes that TCP/IP stacks are particularly vulnerable for several reasons, including widespread use, the fact that many such stacks were created a long time ago, and the fact that they make an attractive attack surface, thanks to unauthenticated functionality and protocols that cross network perimeters.

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16:23
Round-up of Nvidia GTC data center news
» ‎ Network World

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With a few dozen press releases and blog posts combined, no one can say that Nvidia’s GPU Technology Conference (GTC) is a low-key affair. Like last year’s show it is virtual, so many of the announcements are coming from CEO Jen-Hsun Huang’s kitchen.

Here is a rundown of the most pertinent announcements data-center folks will care about.
Two Ampere 100 offshoots
Nvidia's flagship GPU is the Ampere A100, introduced last year. It is a powerful chip ideal for supercomputing, high-performance computing (HPC), and massive artificial intelligence (AI) projects, but it’s also overkill for some use cases and some wallets.

So at GTC the company introduced two smaller scale little brothers for its flagship A100, the A30 for mainstream AI and analytics servers, and the A10 for mixed compute and graphics workloads. Both are downsized from the bigger, more powerful, and more energy-consuming A100.

To read this article in full, please click here
April 15, 2021
20:36
BrandPost: The Future of Connectivity: Wi-Fi 6 and Smart Homes Explained
» ‎ Network World

Tags: [edit]

Wi-Fi has transformed the way we live, allowing us to work from any location, shop from the comfort of our armchairs, and benefit from a wide range of connected devices that would have been impossible if we were constrained by cables.

The number of connected devices is growing faster than the number of global Internet users with smart home devices like thermostats, smoke alarms and lighting systems making life more comfortable, safer, and more convenient.

By 2023, Internet of Things (IoT) will account for half of the global device market and connected home applications will be the largest category.[1] This is a huge opportunity for Communications Service Providers (CSPs) to offer additional services and generate revenues.

To read this article in full, please click here
4:03
Weekly internet health check, US and worldwide
» ‎ Network World

Tags: [edit]

The reliability of services delivered by ISPs, cloud providers and conferencing services (a.k.a. unified communications-as-a-service (UCaaS)) is an indication of how well served businesses are via the internet.

ThousandEyes is monitoring how these providers are handling the performance challenges they face. It will provide Network World a roundup of interesting events of the week in the delivery of these services, and Network World will provide a summary here. Stop back next week for another update, and see more details here.

Get regularly scheduled insights by signing up for Network World newsletters

To read this article in full, please click here
1:20
VMware, Dell split to form independent firms
» ‎ Network World

Tags: [edit]

After many months of wrangling, Dell Technologies says it is spinning off its ownership of VMware to create two standalone companies.

While it gives both companies more financial freedom, the new relationship should have no immediate effect on enterprise customers, but that could come down the road.
VMware CEO Gelsinger moves to Intel
Dell has had an 81% equity ownership of VMware since its 2016, $67 billion purchase of EMC, which owned VMware. Under terms of the planned spin-off, VMware will distribute a cash dividend of $11.5 - $12 billion to all VMware shareholders, which includes about $9.7 billion to Dell Technologies, the companies stated.

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