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April 12, 2019
19:42
Gov’t warns on VPN security bug in Cisco, Palo Alto, F5, Pulse software
» ‎ Network World

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The Department of Homeland Security has issued a warning that some VPN packages from Cisco, Palo Alto, F5 and Pusle may improperly secure tokens and cookies, allowing nefarious actors an opening to invade and take control over an end user’s system.

The DHS’s Cybersecurity and Infrastructure Security Agency (CISA) warning comes on the heels of a notice from Carnegie Mellon's CERT that multiple VPN applications store the authentication and/or session cookies insecurely in memory and/or log files.

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17:22
BrandPost: How the Server Rack in your Converged Infrastructure can Speed up your Edge Computing Deployment
» ‎ Network World

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According to research firm MarketsandMarkets™, from 2017 through to 2022, edge computing will experience a Compound Annual Growth Rate (CAGR) of 35.4% (from $1.47 Billion US to $6.72 Billion US). Those in the business of distributing, configuring and selling IT solutions recognize that traditional IT offerings will need to be modified in order to accommodate these new edge computing environments.

A number of factors influence the adaptation of edge computing in what are primarily remote locations. These include fast delivery and ease of installation, operation and management of that hardware equipment such as server racks and software. These systems also need to perform in such a way as to address latency, bandwidth cost and data location issues.

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April 10, 2019
23:06
Cisco taps into AWS for data center, cloud applications
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Cisco has released a cloud-service program on its flagship software-defined networking (SDN) software that will let customers manage and secure applications running in the data center or in Amazon Web Service cloud environments.

The service, Cisco Cloud ACI (application centric infrastructure) for AWS lets users configure inter-site connectivity, define policies and monitor the health of network infrastructure across hybrid environments, Cisco said.
[ Check out What is hybrid cloud computing and learn what you need to know about multi-cloud. | Get regularly scheduled insights by signing up for Network World newsletters. ]
Specifically, this connectivity includes an "underlay network for IP reachability (IPsec VPN) over the Internet, or through AWS Direct Connect; an overlay network between the on-premises and cloud sites that runs BGP EVPN [Ethernet VPN] as its control plane and uses Virtual Extensible LAN (VXLAN) encapsulation and tunneling as its data plane,” Cisco says.

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21:32
You Can Now Get This Award-Winning VPN For Just $1/month
» ‎ Network World

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If you use the internet (which you clearly do), you likely know how important it is to protect your data in an increasingly dangerous cyber environment. But like other essential tasks that tend to be tedious (like filing taxes early and brushing your teeth for the full two minutes), most installing and running a VPN can sound unappealing to many: sure, they encrypt your internet traffic and hide your location — but they can also run frustratingly slowly, delaying the way you’d usually use the internet for entertainment and work.

That’s where Ivacy VPN is different: not only will the speedy service let you browse and stream lag-free, it also offers real-time threat detection technology, removing malware and viruses at the server level. It ensures that all your downloads and devices stay totally secure, so you can stay safe online without being inconvenienced.

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21:25
Google partners with Intel, HPE and Lenovo for hybrid cloud
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Still struggling to get its Google Cloud business out of single-digit marketshare, Google this week introduced new partnerships with Lenovo and Intel to help bolster its hybrid cloud offerings, both built on Google’s Kubernetes container technology.

At Google’s Next ’19 show this week, Intel and Google said they will collaborate on Google's Anthos, a new reference design based on the second-Generation Xeon Scalable processor introduced last week and an optimized Kubernetes software stack designed to deliver increased workload portability between public and private cloud environments.
[ Read also: What hybrid cloud means in practice | Get regularly scheduled insights: Sign up for Network World newsletters ]
As part the Anthos announcement, Hewlett Packard Enterprise (HPE) said it has validated Anthos on its ProLiant servers, while Lenovo has done the same for its ThinkAgile platform. This solution will enable customers to get a consistent Kubernetes experience between Google Cloud and their on-premises HPE or Lenovo servers. No official word from Dell yet, but they can’t be far behind.

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16:58
HPE and Nutanix partner for hyperconverged private cloud systems
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Hewlett Packard Enterprise (HPE) has partnered with Nutanix to offer Nutanix’s hyperconverged infrastructure (HCI) software available as a managed private cloud service and on HPE-branded appliances.

As part of the deal, the two companies will be competing against each other in hardware sales, sort of. If you want the consumption model you get through HPE’s GreenLake, where your usage is metered and you pay for only the time you use it (similar to the cloud), then you would get the ProLiant hardware from HPE.

If you want an appliance model where you buy the hardware outright, like in the traditional sense of server sales, you would get the same ProLiant through Nutanix.

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16:25
Anti-lasers could give us perfect antennas, greater data capacity
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Playing laser light backwards could adjust data transmission signals so that they perfectly match receiving antennas. The fine-tuning of signals like this, not achieved with such detail before, could create more capacity for ever-increasing data demand.

"Imagine, for example, that you could adjust a cell phone signal exactly the right way, so that it is perfectly absorbed by the antenna in your phone," says Stefan Rotter of the Institute for Theoretical Physics of Technische Universität Wien (TU Wien) in a press release.

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April 09, 2019
23:04
Cisco, Google reenergize multicloud/hybrid cloud joint development
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Cisco and Google have expanded their joint cloud-development activities to help customers more easily build secure multicloud and hybrid applications everywhere from on-premises data centers to public clouds.
[Check out what hybrid cloud computing is and learn what you need to know about multi-cloud. Get regularly scheduled insights by signing up for Network World newsletters]
The expansion centers around Google’s new open-source hybrid cloud package called Anthos, which was introduced at the company’s Google Cloud Next event this week. Anthos is based on – and supplants – the company's existing Google Cloud Service beta. Anthos will let customers run applications, unmodified, on existing on-premises hardware or in the public cloud and will be available on Google Cloud Platform (GCP) with Google Kubernetes Engine (GKE), and in data centers with GKE On-Prem, the company says. Anthos will also let customers for the first time manage workloads running on third-party clouds such as AWS and Azure from the Google platform without requiring administrators and developers to learn different environments and APIs, Google said.

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19:50
BrandPost: Enhanced security at the edge
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It’s becoming a cliché to say that data security is a top concern among executives and boards of directors. The problem is: the problem just won’t go away.

Hackers and attackers are ever finding new ways to exploit weaknesses. Just as companies start to use emerging technologies like artificial intelligence and machine learning to protect their organizations in an automated fashion, so too are bad actors using these tools to further their goals.

In a nutshell, security simply cannot be overlooked. And now, as companies increasingly adopt edge computing, there are new considerations to securing these environments.

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17:45
The real challenge to achieving 5G: the networks
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Everyone seems focused on whether major device makers can ship 5G-ready phones. And indeed they are coming forward with devices (e.g., Samsung, Huawei) based on chip designs from major manufacturers (e.g., Qualcomm, Huawei, Intel).

But while many are focused on the device challenges (such as will Apple’s iPhones use Qualcomm or Intel modems, or design their own?) and the potentially billions of connected “things” expected in the next few years, the devices are just the tip of the iceberg when it comes to 5G. The real “below the water line” challenges, the more than 80% of the challenges in making 5G real, are in updating and creating networks that can truly provide all of the variety of services and capabilities that we expect.

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17:12
Juniper opens SD-WAN service for the cloud
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Juniper has taken the wraps off a cloud-based SD-WAN service it says will ease the management and bolster the security of wired and wireless-connected branch office networks.

The Contrail SD-WAN cloud offering expands on the company’s existing on-premise (SRX-based) and virtual (NFX-based) SD-WAN offerings to include greater expansion possibilities – up to 10,000 spoke-attached sites and support for more variants of passive redundant hybrid WAN links – and topologies such as hub and spoke, partial, and dynamic full mesh, Juniper stated.

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16:44
Working with variables on Linux
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A lot of important values are stored on Linux systems in what we call “variables,” but there are actually several types of variables and some interesting commands that can help you work with them. In a previous post, we looked at environment variables and where they are defined. In this post, we're going to look at variables that are used on the command line and within scripts.
User variables
While it's quite easy to set up a variable on the command line, there are a few interesting tricks. To set up a variable, all you need to do is something like this:

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16:40
BrandPost: AI Ops: Let the data talk
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Marie Fiala, Director of Portfolio Marketing for Blue Planet at Ciena

The catalysts and ROI of AI-powered network analytics for automated operations were the focus of discussion for service providers at the recent FutureNet conference in London. Blue Planet’s Marie Fiala details the conversation.

Do we need perfect data? Or is ‘good enough’ data good enough? Certainly, there is a need to find a pragmatic approach or else one could get stalled in analysis-paralysis. Is closed-loop automation the end goal? Or is human-guided open loop automation desired? If the quality of data defines the quality of the process, then for closed-loop automation of critical business processes, one needs near-perfect data. Is that achievable?

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15:29
The Microsoft/BMW IoT Open Manufacturing Platform might not be so open
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Last week at Hannover Messe, Microsoft and German carmaker BMW announced a partnership to build a hardware and software technology framework and reference architecture for the industrial internet of things (IoT), and foster a community to spread these smart-factory solutions across the automotive and manufacturing industries.

The stated goal of the Open Manufacturing Platform (OMP)? According to the press release, it's “to drive open industrial IoT development and help grow a community to build future Industry 4.0 solutions.” To make that a reality, the companies said that by the end of 2019, they plan to attract four to six partners — including manufacturers and suppliers from both inside and outside the automotive industry — and to have rolled out at least 15 use cases operating in actual production environments.

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April 08, 2019
21:44
BrandPost: SD-WAN and Multi-Cloud Digital Transformation, Part 1: Enterprise Reality Check
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This is the first in a 3-part blog series that will detail how deploying a business-driven SD-WAN edge platform can help enterprises successfully accelerate multi-cloud digital transformation initiatives.

For a growing number of enterprises, a migration to the cloud is not a simple matter of deploying an application or two onto Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform, Oracle Cloud Infrastructure or some other hosted service. It’s now a multi-cloud strategy that’s a key part of a digital transformation initiative aimed at modernizing business processes. Using multiple cloud computing services such as infrastructure-as-a-service (IaaS), platform-as-a-service (PaaS), and software-as-a-service (SaaS) in a single unified cloud strategy offers the ability to reduce dependence on any single vendor.

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16:54
Beyond SD-WAN: VMware’s vision for the network edge
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VeloCloud is now a Business Unit within VMware since being acquired in December 2017. The two companies have had sufficient time to integrate their operations and fit their technologies together to build a cohesive offering. In January, Neal Weinberg provided an overview of where VMware is headed with its reinvention. Now let’s look at it from the VeloCloud SD-WAN perspective.

I recently talked to Sanjay Uppal, vice president and general manager of the VeloCloud Business Unit. He shared with me where VeloCloud is heading, adding that it’s all possible because of the complementary products that VMware brings to VeloCloud’s table.

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15:20
How to quickly deploy, run Linux applications as unikernels
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Building and deploying lightweight apps is becoming an easier and more reliable process with the emergence of unikernels. While limited in functionality, unikernals offer many advantages in terms of speed and security.
What are unikernels?
A unikernel is a very specialized single-address-space machine image that is similar to the kind of cloud applications that have come to dominate so much of the internet, but they are considerably smaller and are single-purpose. They are lightweight, providing only the resources needed. They load very quickly and are considerably more secure -- having a very limited attack surface. Any drivers, I/O routines and support libraries that are required are included in the single executable. The resultant virtual image can then be booted and run without anything else being present. And they will often run 10 to 20 times faster than a container.

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14:35
IDG Contributor Network: Performance-Based Routing (PBR) – The gold rush for SD-WAN
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BGP (Border Gateway Protocol) is considered the glue of the internet. If we view through the lens of farsightedness, however, there’s a question that still remains unanswered for the future. Will BGP have the ability to route on the best path versus the shortest path?

There are vendors offering performance-based solutions for BGP-based networks. They have adopted various practices, such as, sending out pings to monitor the network and then modifying the BGP attributes, such as the AS prepending to make BGP do the performance-based routing (PBR). However, this falls short in a number of ways.

The problem with BGP is that it's not capacity or performance aware and therefore its decisions can sink the application’s performance. The attributes that BGP relies upon for path selection are, for example, AS-Path length and multi-exit discriminators (MEDs), which do not always correlate with the network’s performance.

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April 04, 2019
21:02
Why blockchain (might be) coming to an IoT implementation near you
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Companies have found that IoT partners well with a host of other popular enterprise computing technologies, and blockchain – the system of distributed trust underpinning cryptocurrencies – is no exception. Yet implementing blockchain in an IoT application can be challenging and requires a strong understanding of the technology.

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(Insider Story)
19:27
BrandPost: Edge Computing is Key to Meeting Digital Transformation Demands – and Partnerships Can Help Deliver Them
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Organizations in virtually every vertical industry are undergoing a digital transformation in an attempt to take advantage of edge computing technology to make their businesses more efficient, innovative and profitable. In the process, they’re coming face to face with challenges ranging from time to market to reliability of IT infrastructure.

It’s a complex problem, especially when you consider the scope of what digital transformation entails. “Digital transformation is not simply a list of IT projects, it involves completely rethinking how an organization uses technology to pursue new revenue streams, products, services, and business models,” as the research firm IDC says.

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15:19
Intel formally launches Optane for data center memory caching
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As part of its massive data center event on Tuesday, Intel formally launched the Optane persistent memory product line. It had been out for a while, but the current generation of Xeon server processors could not fully utilize it. The new Xeon 8200 and 9200 lines take full advantage of it.

And since Optane is an Intel product (co-developed with Micron), that means AMD and Arm server processors are out of luck.

As I have stated in the past, Optane DC Persistent Memory uses 3D Xpoint memory technology that Intel developed with Micron Technology. 3D Xpoint is a non-volatile memory type that is much faster than solid-state drives (SSD), almost at the speed of DRAM, but it has the persistence of NAND flash.

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14:45
Running LEDs in reverse could cool computers
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The quest to find more efficient methods for cooling computers is almost as high on scientists’ agendas as the desire to discover better battery chemistries.

More cooling is crucial for reducing costs. It would also allow for more powerful processing to take place in smaller spaces, where limited processing should be crunching numbers instead of making wasteful heat. It would stop heat-caused breakdowns, thereby creating longevity in components, and it would promote eco-friendly data centers — less heat means less impact on the environment.

Removing heat from microprocessors is one angle scientists have been exploring, and they think they have come up with a simple, but unusual and counter-intuitive solution. They say that running a variant of a Light Emitting Diode (LED) with its electrodes reversed forces the component to act as if it were at an unusually low temperature. Placing it next to warmer electronics, then, with a nanoscale gap introduced, causes the LED to suck out the heat.

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April 03, 2019
19:54
Intel unveils an epic response to AMD’s server push
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Intel on Tuesday introduced its second-generation Xeon Scalable Processors for servers, developed under the codename Cascade Lake, and it’s clear AMD has lit a fire under a once complacent company.

These new Xeon SP processors max out at 28 cores and 56 threads, a bit shy of AMD’s Epyc server processors with 32 cores and 64 threads, but independent benchmarks are still to come, which may show Intel having a lead at single core performance.

And for absolute overkill, there is the Xeon SP Platinum 9200 Series, which sports 56 cores and 112 threads. It will also require up to 400W of power, more than twice what the high-end Xeons usually consume.

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19:07
BrandPost: 802.11ax( Wi-Fi 6) Access Points for the most demanding mobile and IoT environments .
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I am sure by now you’ve heard about the latest Wi-Fi technology, which is 802.11ax or Wi-Fi 6. We’ve been very active educating you about this standard for the past year. Please check out this blog series here.

We’ve been building a portfolio of high-performance 802.11ax APs to meet a broad range of enterprise needs. Last fall, we introduced our first 802.11ax campus access point, the 510 Series, which is ideal for midsize mobile and IoT deployments.

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15:00
BrandPost: Top Ten Reasons to Think Outside the Router #1: It’s Time for a Router Refresh
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We’re now at the end of our homage to the iconic David Letterman Top Ten List segment from his former Late Show, as Silver Peak counts down the Top Ten Reasons to Think Outside the Router. Click for the #2, #3, #4, #5, #6, #7, #8, #9 and #10 reasons to retire traditional branch routers.

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April 02, 2019
20:22
Intel's Agilex FPGA family targets data-intensive workloads
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After teasing out details about the technology for a year and half under the code name Falcon Mesa, Intel has unveiled the Agilex family of FPGAs, aimed at data-center and network applications that are processing increasing amounts of data for AI, financial, database and IoT workloads.

The Agilex family, expected to start appearing in devices in the third quarter, is part of a new wave of more easily programmable FPGAs that is beginning to take an increasingly central place in computing as data centers are called on to handle an explosion of data.

Learn about edge networking
FPGAs, or field programmable gate arrays, are built around around a matrix of configurable logic blocks (CLBs) linked via programmable interconnects that can be programmed after manufacturing – and even reprogrammed after being deployed in devices – to run algorithms written for specific workloads. They can thus be more efficient on a performance-per-watt basis than general-purpose CPUs, even while driving higher performance.

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19:23
BrandPost: 3 Essentials for Achieving Resiliency at the Edge
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“The IT industry has done a good job of making robust data centers that are highly manageable, highly secure, with redundant systems,” says Kevin Brown, SVP Innovation and CTO for Schneider Electric’s Secure Power Division.

However, he continues, companies then connect these data centers to messy edge closets and server rooms, which over time have become “micro mission-critical data centers” in their own right — making system availability vital. If not designed and managed correctly, the situation can be disastrous if users cannot connect to business-critical applications.

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15:42
When Wi-Fi is mission-critical, a mixed-channel architecture is the best option
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I’ve worked with a number of companies that have implemented digital projects only to see them fail. The ideation was correct, the implementation was sound, and the market opportunity was there. The weak link? The Wi-Fi network.

For example, a large hospital wanted to improve clinician response times to patient alarms by having telemetry information sent to mobile devices. Without the system, the only way a nurse would know about a patient alarm is from an audible alert. And with all the background noise, it’s often tough to discern where noises are coming from. The problem was the Wi-Fi network in the hospital had not been upgraded in years and caused messages to be significantly delayed in their delivery, often taking four to five minutes to deliver. The long delivery times caused a lack of confidence in the system, so many clinicians stopped using it and went back to manual alerting. As a result, the project was considered a failure.

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14:07
5G: A deep dive into fast, new wireless
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The next step in the evolution of wireless WAN communications - 5G networks - is about to hit the front pages, and for good reason: it will complete the evolution of cellular from wireline augmentation to wireline replacement, and strategically from mobile-first to mobile-only.

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(Insider Story)
13:53
IDG Contributor Network: Zero-trust: microsegmentation networking
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The transformation to the digital age has introduced significant changes to the cloud and data center environments. This has compelled the organizations to innovate more quickly than ever before. This, however, brings with it both – the advantages and disadvantages.

The network and security need to keep up with this rapid pace of change. If you cannot match with the speed of the digital age, then ultimately bad actors will become a hazard. Therefore, the organizations must move to a zero-trust environment: default deny, with least privilege access. In today’s evolving digital world this is the primary key to success.

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April 01, 2019
23:17
What is 5G? How is it better than 4G?
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5G wireless is an umbrella term to describe a set of standards and technologies for a radically faster wireless internet that ideally is up to 20 times faster with 120 times less latency than 4G, setting the stage for IoT networking advances and support for new high-bandwidth applications.
What is 5G? Technology or buzzword?
It will be years before the technology reaches its full potential worldwide, but meanwhile some 5G network services are being rolled out today. 5G is as much a marketing buzzword as a technical term, and not all services marketed as 5G are standard.

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22:43
BrandPost: Top Ten Reasons to Think Outside the Router #2: Simplify and Consolidate the WAN Edge
» ‎ Network World

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We’re now near reaching the end of our homage to the iconic David Letterman Top Ten List segment from his former Late Show, as Silver Peak counts down the Top Ten Reasons to Think Outside the Router. Click for the #3, #4, #5, #6, #7, #8, #9 and #10 reasons to retire traditional branch routers.

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15:40
Meta Networks builds user security into its Network-as-a-Service
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Network-as-a-Service (NaaS) is growing in popularity and availability for those organizations that don’t want to host their own LAN or WAN, or that want to complement or replace their traditional network with something far easier to manage.

With NaaS, a service provider creates a multi-tenant wide area network comprised of geographically dispersed points of presence (PoPs) connected via high-speed Tier 1 carrier links that create the network backbone. The PoPs peer with cloud services to facilitate customer access to cloud applications such as SaaS offerings, as well as to infrastructure services from the likes of Amazon, Google and Microsoft. User organizations connect to the network from whatever facilities they have — data centers, branch offices, or even individual client devices — typically via SD-WAN appliances and/or VPNs.

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March 29, 2019
20:23
Russia demands access to VPN providers’ servers
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The Russian censorship agency Roskomnadzor has ordered 10 VPN service providers to link their servers in Russia to its network in order to stop users within the country from reaching banned sites.

If they fail to comply, their services will be blocked, according to a machine translation of the order.
RELATED: Best VPN routers for small business
The 10 VPN providers are ExpressVPN, HideMyAss!, Hola VPN, IPVanish, Kaspersky Secure Connection, KeepSolid, NordVPN, OpenVPN, TorGuard, and VyprVPN.

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14:26
How to manage your Linux environment
» ‎ Network World

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The configuration of your user account on a Linux system simplifies your use of the system in a multitude of ways. You can run commands without knowing where they're located. You can reuse previously run commands without worrying how the system is keeping track of them. You can look at your email, view man pages, and get back to your home directory easily no matter where you might have wandered off to in the file system. And, when needed, you can tweak your account settings so that it works even more to your liking.

Linux environment settings come from a series of files — some are system-wide (meaning they affect all user accounts) and some are configured in files that are sitting in your home directory. The system-wide settings take effect when you log in and local ones take effect right afterwards, so the changes that you make in your account will override system-wide settings. For bash users, these files include these system files:

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March 11, 2019
22:08
Nvidia grabs Mellanox out from under Intel’s nose
» ‎ Network World

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After months of speculation, Mellanox found a suitor -- and it was a surprise, to say the least. GPU leader Nvidia snatched up the networking vendor for $6.9 billion, topping a rumored previous offer of $6 billion from Nvidia’s nemesis, Intel.

The acquisition ends months of rumors of a suitor for Mellanox. Intel, Microsoft, and Xilinix were all reportedly bidding for the Israeli company, which specializes in high-speed networking.
[ Read also: How to plan a software-defined data-center network ]
Mellanox Technology was formed in 1999 by a former Intel executive and was a pioneer in the early adoption of InfiniBand interconnect technology, which along with its high-speed Ethernet products is now used in over half of the world’s fastest supercomputers and in many leading hyperscale data centers.

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19:55
Software-defined perimeter brings trusted access to multi-cloud applications, network resources
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Many companies today have a hybrid approach to their networking and IT infrastructure. Some elements remain in an on-premise data center, while other portions have gone to the cloud and even to multi-cloud. As a result, the network perimeter is permeable and elastic. This complicates access requirements at a time when it’s more important than ever to enable accessibility while preventing unauthorized access to applications and data.

To reduce risk, some organizations are applying a zero-trust strategy of “verification before trust” by incorporating stronger, stateful user and device authentication; granular access control; and enhanced segmentation no matter where the applications and resources reside.

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13:44
Facebook gets into the fiber-optic connectivity business
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When you think of Facebook services, high-speed connectivity is not the first thing that comes to mind. But the social media giant is doing just that, offering high-capacity fiber-optic routes to sell unused capacity between its data centers for third parties.

Facebook has created a subsidiary called Middle Mile Infrastructure to sell excess capacity on its fiber, starting with new fiber routes between its data center campuses in Virginia, Ohio, and North Carolina. The company made the announcement in a blog post by Kevin Salvadori, director of network investments.

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11:00
BrandPost: How IPsec UDP Helps Scale and Secure SD-WAN Fabrics
» ‎ Network World

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IPsec is a critical element in building a scalable and secure SD-WAN fabric. The right IPsec is key to making it happen.

Robert Sturt published an article title “SD-WAN vs. VPN: How do they compare?” While Robert tried to illustrate when and how to use SD-WAN vs. VPN, the objective of this blog is to look deeper into existing IPsec approaches and challenges in building and securing an SD-WAN fabric, and how IPsec UDP can help address these challenges. At the end of this blog, I have included a link to a Silver Peak white paper that provides a detailed explanation of IPsec options.

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11:00
Survey: Cloud monitoring, management tools come up short
» ‎ Network World

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(Editor’s note: Recent research by Enterprise Management Associates takes a look at how enterprises regard cloud management tools. This article by Shamus McGillicuddy, EMA’s research director for network management, details highlights of “Network Engineering and Operations in the Multi-Cloud Era,” a report based on EMA’s survey of 250 IT professionals and telephone interviews with a half dozen IT leaders.)

Three out of four network managers say that at least one of their network monitoring tools has failed to address their requirements for monitoring the public cloud environments – perilous, given the extent of public-cloud adoption today.

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March 08, 2019
23:42
VMware firewall takes aim at defending apps in data center, cloud
» ‎ Network World

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VMware has taken the wraps off a firewall it says protects enterprise applications and data inside data centers or clouds.

Unlike perimeter firewalls that filter traffic from an unlimited number of unknown hosts, VMware says its new Service-defined Firewall gains deep visibility into the hosts and services that generate network traffic by tapping into into its NSX network management software, vSphere hypervisors and AppDefense threat-detection system.

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14:14
How to determine if Wi-Fi 6 is right for you
» ‎ Network World

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There’s a lot of hype around the next Wi-Fi standard, 802.11ax, more commonly known as Wi-Fi 6. Often new technologies are built up by the vendors as being the “next big thing” and then flop because they don’t live up to expectations. In the case of Wi-Fi 6, however, the fervor is warranted because it is the first Wi-Fi standard that has been designed with the premise that Wi-Fi is the primary connection for devices rather than a network of convenience.
Wi-Fi 6 is a different kind of Wi-Fi
Wi-Fi 6 is loaded with new features, such as Orthogonal Frequency Division Multiple Access (OFDMA), 1024-QAM (quadrature amplitude modulation) encoding and target wake time (TWT), that make Wi-Fi faster and less congested. Many of these enhancements came from the world of LTE and 4G, which solved many of these challenges long ago. These new features will lead to a better mobile experience and longer client battery life, and they will open the door to a wide range of new applications that could not have been done on Wi-Fi before. For example, an architect could now use virtual reality (VR) over Wi-Fi to showcase a house.

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March 07, 2019
21:57
BrandPost: Resilience at Edge Computing Sites Is Resilience for the Whole IT Environment
» ‎ Network World

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As edge computing deployments get under way, organizations need to make their edge computing sites resilient. As the saying goes, “you’re only as good as your weakest link,” so if edge computing locations are allowed to be the weakest link in a multi-location environment, the entire network surely will suffer.

You can’t have a truly resilient IT deployment without resilience at these edge computing sites. So organizations have to harden these sites with best-in-class technology as they do at centralized and regional data centers. Organizations need redundancy, security and management controls designed to prevent downtime.

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13:23
How blockchain will manage networks
» ‎ Network World

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Ethernet networking technology is flawed, say some engineers. The problem is it doesn’t have any inherent security built in to it. Ethernet also hard to manage because it's centralized. It’s out-of-date, and it needs revamping, researchers say.

One attempt to address the issue is the Marconi protocol, which is a strategy to shift network and packet management over to a smart-contract, decentralized chain-based system. Smart contracts are trackable, verifiable transactions. They’re performed through encrypted blockchains and are self-enforcing.

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12:00
Wireless spectrum shortage? Not so fast
» ‎ Network World

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The wireless industry has always had to deal with regular (and alarming) pronouncements that we're somehow running out of radio spectrum. We’re not. But the misconception regardless gives many IT and network managers pause. After all, if the availability, reliability and especially the capacity of wireless were to degrade to the point of a de-facto shortage, the situation would be dire for communications at the edges of both the LAN and WAN.

So let’s start putting to rest any conjecture regarding a spectrum shortage and focus on reality: Thanks to a combination of continual advances in wireless technologies, recent enhancements to spectrum regulatory policy, and novel thinking around spectrum allocation, we can be assured that a “spectrum shortage” is, and will remain, an abstract theoretical concept.

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March 06, 2019
21:49
Cisco uncorks 26 security patches for switches, firewalls
» ‎ Network World

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Cisco has bundled 25 security advisories that describe 26 vulnerabilities in Cisco NX-OS switch and Firepower FXOS firewall software.

While the 26 alerts describe vulnerabilities that have a Security Impact Rating of “High,” most –23 – affect Cisco NX-OS software, and the remaining three involve both software packages.
[ Also see What to consider when deploying a next generation firewall. | Get regularly scheduled insights by signing up for Network World newsletters. ]
The vulnerabilities span a number of problems that would let an attacker gain unauthorized access, gain elevated privileges, execute arbitrary commands, escape the restricted shell, bypass the system image verification checks or cause denial of service (DoS) conditions, Cisco said.

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16:04
Why Wi-Fi needs artificial intelligence
» ‎ Network World

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This week Juniper Networks plunked down $405 million to acquire Wi-Fi vendor Mist Systems. As always, Network World's Michael Cooney did a fine job covering the news, so I won’t rehash that. What I want to look at is something specific that Cooney wrote — that “Mist touts itself as having developed an artificial-intelligence-based wireless platform.” Why does Wi-Fi need artificial intelligence (AI)?

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0:38
SD-WAN: 10 essential considerations
» ‎ Network World

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SD-WAN is the hottest new technology in networking and many distributed organizations have already or will soon adopt SD-WAN solutions. Here are 10 essential considerations for IT organizations weighing whether to adopt or expand their SD-WANs.

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(Insider Story)
March 05, 2019
22:09
4 Tips for Easier Edge Deployments
» ‎ Network World

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There are plenty of reasons for organizations to embrace edge computing. By moving applications, data, and computing services to the edge of a network, as opposed to a large data center or cloud, organizations can lower operating costs, improve application performance, reduce network traffic, and achieve real-time data analytics.

As more organizations come to know the advantages of edge of network devices, many are eyeing deployments. In fact, according to the IDG 2018 State of the Network, 56% of networking professionals have plans for edge computing in their organizations.

To read this article in full, please click here
22:09
BrandPost: 4 Tips for Easier Edge Deployments
» ‎ Network World

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There are plenty of reasons for organizations to embrace edge computing. By moving applications, data, and computing services to the edge of a network, as opposed to a large data center or cloud, organizations can lower operating costs, improve application performance, reduce network traffic, and achieve real-time data analytics.

As more organizations come to know the advantages of edge of network devices, many are eyeing deployments. In fact, according to the IDG 2018 State of the Network, 56% of networking professionals have plans for edge computing in their organizations.

To read this article in full, please click here
20:16
How to configure a static IP address on Linux
» ‎ Network World

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IP addresses on Linux systems are often assigned automatically by Dynamic Host Configuration Protocol (DHCP) servers. These are referred to as "dynamic addresses" and may change any time the system is rebooted. When a system is a server or will be remotely administered, however, it is generally more convenient for these systems to have static addresses, providing stable and consistent connections with users and applications.

Fortunately, the steps required to change a Linux system's IP address from dynamic to static are fairly easy, though they will be a little different depending on the distribution you are using. In this post, we'll look at how this task is managed on both Red Hat (RHEL) and Ubuntu systems.

To read this article in full, please click here
18:00
Mobile World Congress: The time of 5G is (almost) here
» ‎ Network World

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If there was one common theme to the blizzard of announcements, demonstrations and general public happenings going on at MWC 2019 in Barcelona this year, it was that everyone from smartphone makers to mobile carriers to hardware manufacturers is wildly excited about the advent of 5G technology.

Wireless equipment vendors, like Nokia and Ericsson, both announced slates of 5G customers and rolled out new capabilities aimed at helping 5G reach the critical inflection point. Smartphone manufacturers touted the pending availability of 5G-capable handsets, and silicon vendors trumpeted their 5G-ready chipsets and SIM cards.

To read this article in full, please click here
17:06
The data center is being reimagined, not disappearing
» ‎ Network World

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I have documented more than once that the data center is not going away; it’s being reimagined. And now comes a report with greater details on that change.

Spiceworks has released its 2019 State of Servers report that examines on-premises server infrastructure in the workplace, including purchase plans, brand prevalence, and perceptions. The results of the survey, which was conducted in February and included 530 IT buyers from organizations across North America and Europe, show that 98 percent of businesses currently run on-premises servers, and 72 percent of businesses plan to purchase new server hardware within the next three years.

To read this article in full, please click here
15:48
BrandPost: Network Analytics and AI: How to Choose a Solution that Best Aligns with Your Adoption Strategy
» ‎ Network World

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Ciena
Mina Paik, Director of Portfolio Marketing, Blue Planet

Integrating AI and advanced analytics into your network processes and operations can seem like a daunting task. Mina Paik provides three guidelines for choosing a solution that best fits your company’s unique requirements.

Artificial intelligence (AI) is undoubtedly a very hot topic across many industry segments and verticals, with one analyst even pointing out that “it will empower the fourth industrial revolution.” In the telco world, AI when used together with analytics is now associated with powering intelligent and “self-aware” digital networks (which Ciena and Blue Planet refer to as the “adaptive network”). While there are substantial discussions and write-ups around the topic of AI-driven analytics, our VP of Blue Planet Solutions & Engineering, Kailem Anderson, made a very important point in one of his recent blog posts—namely, that the term “AI” must avoid becoming a cliché.

To read this article in full, please click here
15:36
Cryptocurrency miners exploit Docker flaw
» ‎ Network World

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According to Imperva research, a container flaw reported last month (CVE-2019-5736) in Docker's remote API has already been taken advantage of by hundreds of attackers.

Imperva claims that they were able to locate 3,822 Docker hosts with the remote API (port 2735) publicly exposed. Of these, approximately 400 were accessible, and most of these were running a cryptocurrency miner for a lesser-known form of cryptocurrency called Monero.
[ Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ]
Monero (ticker symbol XMR) is an open-source cryptocurrency that was created in April 2014. It focuses on fungibility (individual units are essentially interchangeable), privacy, and decentralization. It also takes advantage of an obfuscated public ledger. That means anyone can broadcast or send transactions, but outside observers cannot tell the source, amount, or destination of the funds.

To read this article in full, please click here
March 04, 2019
22:45
Juniper grabs Mist for wireless AI, cloud service delivery technology
» ‎ Network World

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Juniper has entered into an agreement to buy advanced wireless-gear-maker Mist Systems for $405 million.

For Juniper the Mist buy could be significant as it currently depends on agreements with partners such as Aerohive and Aruba to deliver wireless, according to Gartner. Mist, too, is a partner of and recently announced joint product development with VMware that integrates Mist WLAN technology and VMware’s VeloCloud-based NSX SD-WAN.

More about 802.11ax (Wi-Fi 6)
“Wireless was a hole that Juniper needed to plug to fill out its enterprise story,” said Ritesh Patel, wireless LAN analyst at Dell’Oro. “It also needs strong wireless technology in order to effectively compete against other enterprise networking players such as Cisco, HP/Aruba, Extreme and other players such as Fortinet.”

To read this article in full, please click here
12:00
Is Cisco's CCIE certificate relevant any more?
» ‎ Network World

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WAVE Life Sciences was barreling toward its commercial launch when it hit a critical speedbump. The company’s network, a key part of the launch, received a negative assessment and would need to be re-architected. Anthony Murabito, vice president of IT at the Cambridge, Mass. biotechnology company, only wanted one thing from the IT pros that would be helping him fix the issue fast – to be Cisco Certified Internetwork Experts (CCIE).

To read this article in full, please click here
(Insider Story)
12:00
BrandPost: Can SD-WAN Help Overcome IT Skill Shortages?
» ‎ Network World

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The primary driver cited is an aging worker pool and the overwhelming male makeup of this sector.

Other factors contributing to skill shortages include a lack of:
1. Hybrid IT skills
2. New skills like managing SLAs for off-premise workloads
3. Software skills with adoption of software-defined technologies
4. Fewer young men and women entering the field
How is this affecting branch office networks?
The data center IT skill set shortage is spilling over from the data center to the management and administration of branch office infrastructure. The two go hand in hand as most skills are leveraged across both areas; branch office networks are merely a “miniature architecture” of the data center network. Branch office networks typically include switches, routers, WAN optimization appliances, firewalls, and other networking gear that all require similar IT knowledge and skills as the data center.

To read this article in full, please click here
March 03, 2019
20:46
Bringing IoT to old-school industries without disruption is challenging
» ‎ Network World

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In the enterprise half of the IoT world, heavy industries like energy, manufacturing, and automotive are the biggest success stories for the new technology, but the prospect of integrating their existing computerized-orchestration and management technology with modern industrial IOT gear can be daunting.

To read this article in full, please click here
(Insider Story)
March 01, 2019
13:47
The Open Compute Project is quickly gaining ground
» ‎ Network World

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Eight years ago, Facebook launched the Open Compute Project (OCP), an open-source hardware initiative to design the most energy-efficient server gear for massive, hyperscale data centers. The promise was flexibility of hardware and software and designs for greater power efficiency.

Very quickly, Intel, Rackspace, Goldman Sachs and Sun Microsystems' co-founder Andy Bechtolsheim joined with Facebook to launch the OCP project, with Microsoft joining in 2014.

The project has hummed along quietly with no sales figures until now, thanks to supply chain market research specialists IHS Markit. It surveyed both Facebook, Microsoft, and Rackspace, as founding partners, and looked at sales to customers beyond those three.

To read this article in full, please click here
12:00
FinOps services aim to tackle cloud financial management
» ‎ Network World

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When companies move away from using data centers with fixed costs toward consumption-based spending in the cloud, they have to consider transforming their financial operating model.

To read this article in full, please click here
(Insider Story)
February 28, 2019
19:02
Cisco warns a critical patch is needed for a remote access firewall, VPN and router
» ‎ Network World

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Cisco is warning organizations with remote users that have deployed a particular Cisco wireless firewall, VPN and router to patch a critical vulnerability in each that could let attackers break into the network.

The vulnerability, which has an impact rating of 9.8 out of 10 on the Common Vulnerability Scoring System lets a potential attacker send malicious HTTP requests to a targeted device. A successful exploit could let the attacker execute arbitrary code on the underlying operating system of the affected device as a high-privilege user, Cisco stated.

More about edge networking
The vulnerability is in the web-based management interface of three products: Cisco’s RV110W Wireless-N VPN Firewall, RV130W Wireless-N Multifunction VPN Router and RV215W Wireless-N VPN Router. All three products are positioned as remote-access communications and security devices.

To read this article in full, please click here
17:32
New chemistry-based data storage would blow Moore’s Law out of the water
» ‎ Network World

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Molecular electronics, where charges move through tiny, sole molecules, could be the future of computing and, in particular, storage, some scientists say.

Researchers at Arizona State University (ASU) point out that a molecule-level computing technique, if its development succeeds, would slam Gordon Moore’s 1965 prophesy — Moore's Law — that the number of transistors on a chip will double every year, and thus allow electronics to get proportionally smaller. In this case, hardware, including transistors, will conceivably fit on individual molecules, reducing chip sizes much more significantly than Moore ever envisaged.
[ Now read: What is quantum computing (and why enterprises should care) ]
“The intersection of physical and chemical properties occurring at the molecular scale” is now being explored, and shows promise, an ASU article says. The researchers think Moore’s miniaturization projections will be blown out of the water.

To read this article in full, please click here
17:19
BrandPost: Why Data Center Management Responsibilities Must Include Edge Data Centers
» ‎ Network World

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Now that edge computing has emerged as a major trend, the question for enterprises becomes how to migrate the data center management expertise acquired over many years to these new, remote environments.

Enterprise data centers have long provided a strong foundation for growth. They enable businesses to respond more quickly to market demands. However, this agility is heavily dependent on the reliability and manageability of the data center. As data center operational complexity increases, maintaining uptime while minimizing costs becomes a bigger challenge.

To read this article in full, please click here
12:56
Why the industrial IoT is more important than consumer devices — and 7 more surprising IoT trends
» ‎ Network World

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Given the Internet of Things’ (IoT) perch atop the hype cycle, IoT trend-spotting has become a full-time business, not just an end-of-the-year pastime. It seems every major — and minor — IoT player is busy laying out its vision of where the technology is going. Most of them harp on the same themes, of course, from massive growth to security vulnerabilities to skills shortages.
[ Also on Network World: Six IoT predictions for 2019 ]
Those are all real concerns, but Chris Nelson, vice president of engineering at operational intelligence (OT) vendor OSIsoft, shared some more unique viewpoints via email. In addition to his contention that the IoT will blur the lines between IT, which runs the customers’ systems and email, and OT, which runs the technology behind the production systems, he talked about what will drive the IoT in the next year.

To read this article in full, please click here
12:56
Why the industrial IoT is more important than consumer devices — and 7 more surprising IoT trends
» ‎ Network World

Tags: [edit]

Given the Internet of Things’ (IoT) perch atop the hype cycle, IoT trend-spotting has become a full-time business, not just an end-of-the-year pastime. It seems every major — and minor — IoT player is busy laying out its vision of where the technology is going. Most of them harp on the same themes, of course, from massive growth to security vulnerabilities to skills shortages.
[ Also on Network World: Six IoT predictions for 2019 ]
Those are all real concerns, but Chris Nelson, vice president of engineering at operational intelligence (OT) vendor OSIsoft, shared some more unique viewpoints via email. In addition to his contention that the IoT will blur the lines between IT, which runs the customers’ systems and email, and OT, which runs the technology behind the production systems, he talked about what will drive the IoT in the next year.

To read this article in full, please click here
February 27, 2019
23:02
VMware preps milestone NSX release for enterprise-cloud push
» ‎ Network World

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Looking to ease deployments of software-defined networks while reinforcing automation and security for hybrid and multicloud customers, VMware has taken the wraps off of a major release of its NSX-T Data Center software.

While the NSX-T 2.4 announcement includes over 100 upgrades, VMware said the release anoints NSX-T as the company’s go-to platform for future software-defined cloud developments.
[ Also see How to plan a software-defined data-center network and Efficient container use requires data-center software networking.]
“This is NSX-T’s coming out party—it is now our primary platform and includes all the tools, services, security and support for future growth,” said Tom McCafferty, VMware’s senior director of product marketing for NSX.

To read this article in full, please click here
23:02
VMware preps milestone NSX release for enterprise-cloud push
» ‎ Network World

Tags: [edit]

Looking to ease deployments of software-defined networks while reinforcing automation and security for hybrid and multicloud customers, VMware has taken the wraps off of a major release of its NSX-T Data Center software.

While the NSX-T 2.4 announcement includes over 100 upgrades, VMware said the release anoints NSX-T as the company’s go-to platform for future software-defined cloud developments.
[ Also see How to plan a software-defined data-center network and Efficient container use requires data-center software networking.]
“This is NSX-T’s coming out party—it is now our primary platform and includes all the tools, services, security and support for future growth,” said Tom McCafferty, VMware’s senior director of product marketing for NSX.

To read this article in full, please click here
16:39
Protecting the IoT: 3 things you must include in an IoT security plan
» ‎ Network World

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With many IT projects, security is often an afterthought, but that approach puts the business at significant risk. The rise of IoT adds orders of magnitude more devices to a network, which creates many more entry points for threat actors to breach. A bigger problem is that many IoT devices are easier to hack than traditional IT devices, making them the endpoint of choice for the bad guys.

IoT is widely deployed in a few industries, but it is in the early innings still for most businesses. For those just starting out, IT and security leaders should be laying out their security plans for their implementations now. However, the landscape of security is wide and confusing so how to secure an IoT deployment may not be obvious. Below are three things you must consider when creating an IoT security plan.

To read this article in full, please click here
16:39
Protecting the IoT: 3 things you must include in an IoT security plan
» ‎ Network World

Tags: [edit]

With many IT projects, security is often an afterthought, but that approach puts the business at significant risk. The rise of IoT adds orders of magnitude more devices to a network, which creates many more entry points for threat actors to breach. A bigger problem is that many IoT devices are easier to hack than traditional IT devices, making them the endpoint of choice for the bad guys.

IoT is widely deployed in a few industries, but it is in the early innings still for most businesses. For those just starting out, IT and security leaders should be laying out their security plans for their implementations now. However, the landscape of security is wide and confusing so how to secure an IoT deployment may not be obvious. Below are three things you must consider when creating an IoT security plan.

To read this article in full, please click here
15:15
The big picture: Is IoT in the enterprise about making money or saving money?
» ‎ Network World

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Everyone knows the Internet of Things (IoT) is a transformative technology for consumers, vendors, and enterprises that’s in the process of becoming a historically huge market—measured in trillions, not billions, of dollars. That’s great, and most likely true, but perhaps a little vague in some respects. For example: What, exactly, do enterprises hope to gain from their investments in the IoT? Are they planning to use the IoT to save money on things they’re already doing, or do they see the technology as a way to create new businesses and boost revenue?

To read this article in full, please click here
15:15
The big picture: Is IoT in the enterprise about making money or saving money?
» ‎ Network World

Tags: [edit]

Everyone knows the Internet of Things (IoT) is a transformative technology for consumers, vendors, and enterprises that’s in the process of becoming a historically huge market—measured in trillions, not billions, of dollars. That’s great, and most likely true, but perhaps a little vague in some respects. For example: What, exactly, do enterprises hope to gain from their investments in the IoT? Are they planning to use the IoT to save money on things they’re already doing, or do they see the technology as a way to create new businesses and boost revenue?

To read this article in full, please click here
12:00
How to move to a disruptive network technology with minimal disruption
» ‎ Network World

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Disruptive network technologies are great—at least until they threaten to disrupt essential everyday network services and activities. That's when it's time to consider how innovations such as SDN, SD-WAN, intent-based networking (IBN) and network functions virtualization (NFV) can be transitioned into place without losing a beat.

To read this article in full, please click here
12:00
How to move to a disruptive network technology with minimal disruption
» ‎ Network World

Tags: [edit]

Disruptive network technologies are great—at least until they threaten to disrupt essential everyday network services and activities. That's when it's time to consider how innovations such as SDN, SD-WAN, intent-based networking (IBN) and network functions virtualization (NFV) can be transitioned into place without losing a beat.

To read this article in full, please click here
12:00
How to adopt a disruptive network technology with minimal disruption
» ‎ Network World

Tags: [edit]

Disruptive network technologies are great—at least until they threaten to disrupt essential everyday network services and activities. That's when it's time to consider how innovations such as SDN, SD-WAN, intent-based networking (IBN) and network functions virtualization (NFV) can be transitioned into place without losing a beat.

To read this article in full, please click here

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