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July 28, 2020
20:53
Switch turns to Tesla batteries for solar-power storage
» ‎ Network World

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Data center provider Switch has selected Tesla as the battery supplier for a massive solar project at its northern Nevada data-center facilities.

It's a geographically easy alliance as Switch's campus is right near Tesla's Gigafactory Nevada manufacturing facility. While best known for its cars, Tesla has also made quite an entry in the battery space with products such as the Powerwall, Powerpack, and Megapack energy storage products.

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July 27, 2020
22:52
Digging for DNS answers on Linux
» ‎ Network World

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Dig is a powerful and flexible tool for interrogating DNS name servers. It performs DNS lookups and displays the answers that are returned from the name servers that were involved in the process along with details related to the search. System and DNS administrators often use dig to help troubleshoot DNS problems. In this post, we’ll take a deep dive into how it works and see what it can tell us.

To get started, it's helpful to have a good mental image of how DNS or domain name system works. It's a critical part of the global Internet because it provides a way to look up and, thereby, connect with servers around the world. You can think of it as the Internet's address book and any system that is properly connected to the Internet should be able to use it to look up the IP address of any properly registered server.

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22:11
COVID-19: Weekly health check of ISPs, cloud providers and conferencing services
» ‎ Network World

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As COVID-19 continues to spread, forcing employees to work from home, the services of ISPs, cloud providers and conferencing services a.k.a. unified communications as a service (UCaaS) providers are experiencing increased traffic.

ThousandEyes is monitoring how these increases affect outages and the performance challenges these providers undergo. 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.

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17:25
How to tailor SASE to your enterprise
» ‎ Network World

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Businesses considering the secure access service edge (SASE) model need to understand that there are numerous ways to implement it that can be tailored to their future needs and the realities of their legacy networks.

As defined by Gartner, which coined the term, SASE calls for security to be built in as part of the network and delivered as a cloud service, but that might not fit the circumstances faced by all enterprises.
READ about SD-WAN: How to buy SD-WAN technology: Key questions to consider when selecting a supplier • How to pick an off-site data-backup method • SD-Branch: What it is and why you’ll need it • What are the options for security SD-WAN?
Depending on their needs, it may make more sense to have SASE delivered as a managed service package or even in an architecture that includes privately owned security infrastructure that is managed from the cloud – alternatives that can achieve the same goals.

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15:12
Are newer medical IoT devices less secure than old ones?
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Experts differ on whether older connected medical devices or newer ones are more to blame for making healthcare networks more vulnerable to cyberattack.

The classic narrative of insecure IoT centers on the integration of older devices into the network. In some industries, those devices pre-date the internet, sometimes by a considerable length of time, so it’s hardly surprising that businesses face a lot of challenges in securing them against remote compromise.

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July 24, 2020
3:29
How 5G frequency affects range and speed
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While 5G technology offers enormous improvements over previous-generation licensed wireless networks, much of the impetus for pushing 5G into new frequency bands comes from old-fashioned physics, according to experts.

It can be difficult to nail down precisely which frequencies 5G technology will use, in part because it varies heavily across different countries and even among different carriers. There are, however, three main groupings into which most 5G frequencies will be able to fit.
The low end: 650MHz to 1GHz
Lower frequencies – from around 650MHz at the lowest up to around 1GHz – are particularly prized by wireless companies deploying 5G. Signals in this range propagate over relatively long distances, meaning that service providers can cover a huge area with a single access point.

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July 23, 2020
5:56
VMware embraces Google Cloud, Kubernetes with load-balancer upgrades
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Continuing to target enterprises that use legacy load-balancing hardware, VMware has upgraded the cloud and Kubernetes support in its core software-based load-balancing controller.

VMware’s NSX Advanced Load Balancer 20.1, available at the end of the month, has has features to help customers further scale applications across any infrastructure from data centers and private and public clouds while eliminating the need for hardware-based load balancers, said Tom Gillis, senior vice president and general manager, Networking and Security Business Unit at VMware.

Read about SD-WAN: How to buy SD-WAN technology: Key questions to consider when selecting a supplier • How to pick an off-site data-backup method • SD-Branch: What it is and why you’ll need it • What are the options for security SD-WAN?

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4:50
Fortinet, Barracuda expand SD-WAN cloud offerings
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If you had any doubt of the growing value of SD-WAN in multi-cloud connectivity, Fortinet and Barracuda Networks have new offerings that should convince you otherwise.

Fortinet says its Secure SD-WAN for Multi-Cloud is designed to helps businesses maintain a secure network infrastructure across multiple private and public clouds. The company cites a recent report from Flexera that 93% of medium to large firms currently have a multi-cloud strategy in place for a range of benefits: disaster recovery, global coverage, avoiding vendor lock-in, and leveraging best-of-breed solutions.
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However, Fortinet notes challenges in managing and securing an assortment of different cloud platforms. Few IT teams have the expertise to manage a mixed deployment of multiple public cloud, private cloud, and on-premises environments, especially considering the ongoing lack of skilled IT and cybersecurity talent.

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July 22, 2020
14:28
BrandPost: Crisis Lessons: Using IT’s Elevated Status to Accelerate Digital Agility
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The business disruptions resulting from the COVID-19 pandemic and the rapid shift to remote work and digital business tested the capabilities of most organizations. IT decision-makers who have made progress on the path of digital transformation believe their efforts left them better prepared to deal with the crisis, according to a recent survey. As a result, according to 74% of survey participants, the role of IT has been elevated.

Participants in an IDG TechTalk Twitter chat July 16 indicated they believe that IT leaders need to take advantage of their new-found strategic prominence to continue pushing their organizations further along the digital transformation path.

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12:00
Is COVID-19 vendor financing for enterprise gear a good deal?
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In the wake of coronavirus-related shutdowns that have wreaked havoc on the global economy, IT giants including Cisco, Dell, HPE and IBM have launched multi-billion-dollar financing programs for customers and channel partners. The programs offer financing with generous terms, such as zero interest and deferred payments until 2021, to help IT buyers weather the current cash crunch.

"These programs reflect something we knew would come down the pike. As cash flows dried up, cash reserves dried up, so businesses were in a cash crunch, not a credit crunch," says Carl Brooks, analyst, cloud transformation channel, with 451 Research. "For SMBs, it was an immediate issue. They suddenly found themselves unable to pay ongoing large expenses or the AWS bill,"

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July 21, 2020
4:52
Data-center survey: IT seeks faster switches, intelligent computing
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The growth in data use and consumption means the needs of IT managers are changing, and a survey from Omdia (formerly IHS Markit) found data-center operators are looking for intelligence of all sorts, not just the artificial kind.

Omdia analysts recently surveyed IT leaders from 140 North American enterprises with at least 101 employees working in North American offices and data centers and asked them what features they wanted the most in their networking technology.

The results say respondents expect to more than double their average number of data-center sites between 2019 and 2021, and the average number of servers deployed in data centers is expected to double over the same timeline.

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2:28
6G wireless? Samsung is already outlining its plans
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Samsung has started to publicize its direction for 6G, the next generation of wireless networks likely to supercede 5G sometime in the next decade. The company joins Nokia and a few other organizations that are exploring the upgrade.

Connected machines and artificial intelligence will feature prominently in future use-cases, as will digital twins, hi-fi mobile holograms and immersive extended reality (XR), the company says in a white paper.

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July 20, 2020
21:32
How to manage contracts in a multi-cloud environment
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One management challenge of a multi-cloud environment is how to handle all the contracts that come with using multiple providers and services.
17:51
BrandPost: 5 Key Requirements for a Self-Healing, Secure SD-WAN Solution
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Selecting the Right SD-WAN Solution
It is no secret that organizations are turning to SD-WAN solutions to ensure fast, scalable, and flexible connectivity across the corporate network while lowering total cost of ownership (TCO) and improving user experience. Few other solutions have ever provided so many benefits in a single package. But not all SD-WAN solutions are created equal, and while the right SD-WAN can provide a number of benefits, the wrong solution can introduce new (and critical) risks to your organization.

That is why distributed enterprises must ensure that they adopt a Secure SD-WAN solution that is built with the following five requirements in mind:

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15:26
Balloon-powered internet service goes live in Kenya
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ISP Telkom Kenya is launching the first commercially available 4G LTE service using balloons that act as a network of cell towers floating in the stratosphere.

The service will initially cover approximately 19,000 square miles in Kenya, according to Alastair Westgarth, CEO of Loon, a spinout of Alphabet and the underlying technology provider. Roughly 35 or more balloons will comprise the fleet, moving continually, drifting in the stratosphere about 12 miles above the surface of the earth, Westgarth said in an article on Medium. "We refer to Loon as a floating network of cell towers," Westgarth said.

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July 17, 2020
22:53
AI startup Graphcore launches Nvidia competitor
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A British chip startup has launched what it claims is the world's most complex AI chip, the Colossus MK2 or GC200 IPU (intelligence processing unit). Graphcore is positioning its MK2 against Nvidia's Ampere A100 GPU for AI applications.

The MK2 and its predecessor MK1 are designed specifically to handle very large machine-learning models. The MK2 processor has 1,472 independent processor cores and 8,832 separate parallel threads, all supported by 900MB of in-processor RAM.

SEE ALSO: Nvidia unleashes new generation of GPU hardware

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July 16, 2020
21:17
Counterfeit Cisco switches raise network security alarms
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In a disconcerting event for IT security professionals, counterfeit versions of Cisco Catalyst 2960-X Series switches were discovered on an unnamed business network, and the fake gear was found to be designed to circumvent typical authentication procedures, according to a report from F-Secure.

F-Secure says its investigators found that while the counterfeit Cisco 2960-X units did not have any backdoor-like features, they did employ various measures to fool security controls. For example, one of the units exploited what F-Secure believes to be a previously undiscovered software vulnerability to undermine secure boot processes that provide protection against firmware tampering.

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6:00
Summarizing your command usage on Linux
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Getting a summary of the commands you use on a Linux system requires only a relatively modest string of commands along with a couple pipes to tie them all together. When your history buffer preserves the most recent 1,000 or 2,000 commands, summarizing command activity can get rather tedious. This post provides a handy way to summarize command usage and highlight those commands used most frequently.

To start, keep in mind that a typical entry in a command history might look like this. Note that command is displayed after the command sequence number and followed by its arguments.
```
   91  sudo apt-get install ccrypt
        ^
        +-- command
```
Note that the history command, adhering to the HISTSIZE setting, will determine how many commands will be preserved. This could be 500, 1,000 or more. If you don't like how many commands are preserved for you, you can add or change the HISTSIZE setting in your .bashrc or other start-up file.

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July 15, 2020
20:14
Options grow for migrating mainframe apps to the cloud
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Mainframe users looking to bring legacy applications into the public or private cloud world have a new option: LzLabs, a mainframe software migration vendor.

Founded in 2011 and based in Switzerland, LzLabs this week said it's setting up shop in North America to help mainframe users move legacy applications – think COBOL – into the more modern and flexible cloud application environment.
Read also: How to plan a software-defined data-center network
At the heart of LzLabs' service is its Software Defined Mainframe (SDM), an open-source, Eclipse-based system that's designed to let legacy applications, particularly those without typically available source code, such as COBOL, run in the cloud without recompilation.

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14:33
BrandPost: SD-WAN: More Than A Retail Solution
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SD-WAN has been one of the most rapidly adopted technologies of the past decade, with the market expected to increase by 168 percent between now and 2024. The earliest adopters of SD-WAN were retailers, and for good reason. Retail chains have a critical need to maintain cohesive connectivity across all locations to manage inventory, monitor on-site devices such as refrigeration units or POS units, and collect and correlate sales data in real time. And because margins can be thin in the retail sector, this all needs to be done as efficiently and as cost effectively as possible. SD-WAN was the perfect solution.

To read this article in full, please click here
6:00
Kioxia demonstrates new high-capacity SSD form factor
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As the enterprise SSD matures it is shedding its legacy hard-disk identity one technology at a time. SATA has been replaced by PCI Express. Serial buses have given way to parallel data flow, and the 2.5-inch form factor is going to give way to a new design for greater chip density and cooling.

Kioxia America, formerly Toshiba, has demonstrated a fully functional E3.S SSD called Enterprise and Datacenter SSD Form Factor (EDSFF), also known as E3. Both form factors are being developed by the Storage Network Infrastructure Association (SNIA) consortium.

The E3.L has a long, thin shape like a ruler. Intel demonstrated a prototype ruler design three years ago, but it was a prototype and never went anywhere.

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July 14, 2020
20:17
BrandPost: The Impact of COVID-19 on the Global Digital Economy
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Prior to COVID-19, the world was undergoing massive business transformation illustrated by stunning success of mega-scale Internet businesses such as Amazon Prime, Twitter, Uber, Netflix, Xbox and others that are now an integral part of our lives and exemplify the new global digital economy.

The ability to apply artificial intelligence (AL), machine learning (ML), speech recognition, location services, speed and identity tracking in real-time enabled new applications and services once thought to be beyond the reach of computing technology.

Fueling this transformation are exponential increases in digitized data and the ability to apply enormous compute and storage capacity to it. Since 2016, digitization has created 90% of the world’s data. According to IDC, more than 59 zettabytes (ZB) of data are going to be created and consumed globally in 2020 and this is forecast to grow to 175 ZB by 2025. How much is 1 ZB you ask? It is equivalent to a trillion gigabytes. Or, 100 million HD movies worth of data.

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6:00
AT&T expands SD-WAN offerings through Cisco partnership
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AT&T has expanded its SD-WAN offerings with a worldwide service based on Cisco Secure SD-WAN technology, and it natively integrates threat protection across branch offices and hybrid clouds without compromising performance.

AT&T's managed service offers application-aware dynamic routing and integration with existing networks including MPLS, LTE, and internet broadband. It provides zero-touch provisioning, optimized cloud connectivity and visibility into network applications performance. All of these features are valuable to enterprises moving toward a hybrid/multi-cloud environment.

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July 13, 2020
18:02
HPE makes big SD-WAN play with $925M Silver Peak acquisition
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Hewlett Packard Enterprise took a significant leap into the SD-WAN market with its offer to buy networking vendor Silver Peak for $925 million.

Silver Peak's Unity WAN technology will slide into HPE subsidiary Aruba's portfolio and give it an immediate shot in the competitive arm when it comes to the hot SD-WAN arena where Cisco, VMware and others are attracting enterprise IT dollars.

More about edge networking
Founded in 2004 by David Hughes, who is still CEO, Silver Peak develops a variety of wide-area network technologies including WAN optimization and SD-WAN software.

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12:30
Some easy choices for encrypting files on Linux
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There are numerous commands for encrypting files on Linux. When you want to limit access to file contents, you can use file permissions but file encryption makes limiting access much more effective. This post compares some of the commands for encrypting files and provides an easy script for trying them out.

Encryption means, of course, that a file that you can look at with Linux commands and tools is altered in ways that make it unusable and unreadable unless you reverse the encryption process. Encryption does not generally reduce the size of files unless compression is used as well. In fact, the encryption process might make some files larger. Some commands compress by default; others do not.

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12:30
SD-WAN boosts pest-control company's network performance
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Digital transformation has raised the value of the network to where for most companies the network is the business.

Cloud computing, mobility, remote working and other initiatives are all network-centric in nature shifting the network from a resource that most business leaders rarely paid much attention to into the most important IT asset in the company. A poor network leads to poorly performing applications, which impairs worker productivity and negatively impacts customer experience.

The network has never been more valuable

A recent ZK Research Study found 58% of respondents stated the COVID-19 pandemic has made the network more important. Historically, large companies with multiple locations required robust networking technologies to reduce costs and outages, simplify management, and improve the user experience. Now companies need to connect the company network to remote workers whether at home or in the field.

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12:30
For lease: IPv4 addresses, slightly used but in working order
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The issue of how the Internet is running out of IPv4 addresses has been around since the 1990s. And yet it is claimed that almost 20% of the potential pool of 4.3 billion addresses are available for lease.

IPv4, the connective protocol that runs the internet, dates back to the early 1980s when the Net was still ARPANet and had a few thousand domains at best. At the time, the 32-bit addressing of TCP/IP and its 4.3 billion potential addresses was more than enough.

Then came commercialization of the Internet, mobile devices, and finally IoT, accelerating the problem. IPv6 with its 340 undecillion addresses was developed and launched in the late 1990s but adoption has been slow for myriad of reasons we won’t go into here.

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12:00
SD-WAN and analytics: A marriage made for the new normal
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Analytics have moved from a nice-to-have feature to a must-have, particularly in the growing land of SD-WAN where it’s increasingly important to digest large volumes of data quickly in order to respond to threats and changing network conditions.

“Now, for SD-WAN to do its ‘thing’, and deliver on its automation and intelligence attributes, it needs insights in real time, and these are typically delivered by the visibility and analytics tools that many solutions now offer – either as integrated options or via third-party or eco-system partners,” said Rohit Mehra, vice president, Network Infrastructure for IDC.

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July 10, 2020
19:37
Juniper targets security portfolio at SASE race
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The conga line around secure-access service edge (SASE), continues to grow with Juniper this week becoming the latest to join the dance.

Just as other big networking players with extensive security portfolios including Cisco and VMware have recently done, Juniper says it will build off its offerings to address the SASE blueprint.

Read about edge networking
As defined by Gartner in 2019, SASE features a wide variety of components that Juniper summarized and includes:

To read this article in full, please click here
19:37
Juniper aligns its security portfolio with the SASE model
» ‎ Network World

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The conga line around secure-access service edge (SASE), continues to grow with Juniper this week becoming the latest to join the dance.

Just as other big networking players with extensive security portfolios including Cisco and VMware have recently done, Juniper says it will build off its offerings to address the SASE blueprint.

Read about edge networking
As defined by Gartner in 2019, SASE features a wide variety of components that Juniper summarized and includes:

To read this article in full, please click here
14:52
COVID-19: Weekly health check of ISPs, cloud providers and conferencing services
» ‎ Network World

Tags: [edit]

As COVID-19 continues to spread, forcing employees to work from home, the services of ISPs, cloud providers and conferencing services a.k.a. unified communications as a service (UCaaS) providers are experiencing increased traffic.

ThousandEyes is monitoring how these increases affect outages and the performance challenges these providers undergo. 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.

To read this article in full, please click here
13:57
IDC: Covid-19 hits SD-WAN, data center gear; enterprise impact varies
» ‎ Network World

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While the previously hot SD-WAN market has slowed and IT budgets overall are under pressure, the COVID-19 pandemic has created demand for other network capabilities such as improved network-management and collaboration tools, according to IDC.

The virus has caused recessionary economy that has forced enterprises across the globe to rapidly and dramatically shift their operations, according to Rohit Mehra, vice president, Network Infrastructure at IDC. “The reality of that is we have seen two years of IT digital transformation in two months,” Mehra told the online audience of an IDC webinar about the impact of the pandemic on enterprise networking.

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July 09, 2020
3:22
Item-level vs. image-level backup: Why it’s best to use a combo
» ‎ Network World

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There are two very different ways to backup a computer: Item-level backup and image-level backup, and both methods have been used by IT pros for decades. Each comes with its own advantages and disadvantages, which is why most environments use a combination of the two.
Item-level backup
An item-level backup backs up discrete collections of information that are addressed as individual items, and the most common type of item is a file. In fact, if this article were being written several years ago, this would most likely be called file-level backup.
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The other type of item that might be included in an item-level backup is an object in an object storage system. For many environments, objects are similar to files in that most companies using object storage are simply using it to hold onto what would otherwise be files. But since they are being stored in an object storage system, they are not files, as files are stored in a file system. The contents are often the same, but they get a different name because they are stored differently.

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3:21
Fannie Mae’s journey to SD-WAN means less reliance on MPLS and VPNs
» ‎ Network World

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About a year and a half ago, some Texas employees of the Federal National Mortgage Association (Fannie Mae) were leaving work early to work at home over the enterprise VNP because it gave them better application performance and less congestion than the office network.

That’s also when the agency started moving toward a cloud-first environment and away from its legacy hub-and-spoke WAN.
More about SD-WAN: How to buy SD-WAN technology: Key questions to consider when selecting a supplier • How to pick an off-site data-backup method • SD-Branch: What it is and why you’ll need it • What are the options for security SD-WAN?
“When we started this project the data center was still the center of the universe, where all traffic would be sent back through the data center, which was really inefficient,” said Ken Reddick, Director of Network Engineering at Fannie Mae. “What we are moving to is a cloud-edge environment where user traffic is now sent directly where it needs to go without hitting the data center, and what that has brought us is a four-fold increase in network performance and cut latency by 50%.”

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July 08, 2020
1:45
How to decipher Linux release info
» ‎ Network World

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There’s a lot more to identifying a Linux release than citing a simple version number. Even a quick look at the output from the uname command can tell you that. What is all of that information, and what does it tell you?

In this post, we’ll take a closer look at the output from the uname command along with release descriptions provided by some other commands and files.
Using uname
A lot of information is displayed whenever you issue the command uname -a in a Linux system terminal window. That's because that little “a” tells the man command that you want to see all of the output that the command is able to provide. The resultant display will tell you a lot of different things about the system. In fact, each chunk of information displayed tells you something different about the system.

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0:52
How wireless networks can battle COVID-19
» ‎ Network World

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Routinely collected cellphone-location data could be used to alert health official about crowded areas where novel coronavirus could spread rapidly, which they could then use to disperse people in order to lower the risk, according to researchers at Colorado State University.

Mobile phones maintain connections as their users move around by continually handing off from one cell tower to another. Analyzing logs of these handoffs is a way to gauge how many people are in an area, the researchers say, and that information could flag potential virus-spreading hotspots. “Crowded regions with actively moving people are susceptible to spreading the disease,” the team say in an abstract of their paper in IEEE Open Journal of Engineering in Medicine and Biology.

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July 07, 2020
6:00
The 10 most powerful companies in enterprise networking 2020
» ‎ Network World

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Between the pandemic and the subsequent economic upheaval, these are challenging times for everyone. But the networking industry has some elements in its favor. Technologies such as Wi-Fi, VPNs, SD-WAN, videoconferencing and collaboration are playing an essential role in maintaining business operations and will play an even greater role in the reopening and recovery phase.

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(Insider Story)
July 06, 2020
23:18
StorOne releases Optane-powered enterprise storage
» ‎ Network World

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StorOne, a company that specializes in software-defined storage (SDS) products, has ventured into the hardware business through a partnership with Intel to provide significant storage performance acceleration.

The Array.next is a combination of server hardware, quad-level cell (QLC) SSDs and Intel Optane. QLC memory means it holds four bits per cell, the densest of SSD cells. More on that later. Finally, Optane is Intel’s high-speed memory cache for SSDs. It has almost the speed of DRAM but the storage capability of SSDs and sits between main memory and flash storage.

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12:00
Full network automation isn’t ready, but current tools can still help
» ‎ Network World

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As enterprises try to accelerate their digital transformation efforts, network agility is more important than ever, and network automation can help by ensuring quick access to data, maintaining network performance and improving security.

With work-at-home policies preventing IT teams from physically accessing most locations, automation is being used to perform remote updates, fix problems in data centers and branch offices, and to assist work-at-home efforts. It can also help eliminate human scripting errors to close configuration gaps that lead to security breaches.
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While networking suppliers are advancing network automation tools and despite the talk of self-driving networks, IT professionals need to look to incremental gains in network productivity that current offerings can provide.

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12:00
Project OWL: IoT trying to hold connectivity together in disasters
» ‎ Network World

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An open source project centered on mesh networking, IoT and LoRa connectivity could help emergency responders and victims stay in contact in the wake of natural disasters, said the head of Project OWL at the recent Open Source Summit.

Project OWL’s target is the disruption in communications that often follows natural disaster. Widespread outages, in both cellular and wired networks, frequently impede the flow of information about emergency services, supplies and a host of other critical concerns that have to be addressed in the wake of a major storm or other catastrophe.

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July 01, 2020
16:19
BrandPost: Huawei ES3000 V6 SSD: An Innovative Technology for Smarter, Faster Services
» ‎ Network World

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Huawei has launched the ES3000 V6 SSD, a next-generation enterprise-grade SSD, to help enterprises tap into data value in the digital economy. This product series supports the high-performance PCIe 4.0 interface and adopts the latest machine learning algorithms to provide a foundation of multiple intelligent features, enabling the automatic identification of service types. The ES3000 V6 series, which comprises the ES3500P V6 and ES3600P V6 models, is designed to address pain points for service performance, offering a smarter, faster platform for data centers. The latest series showcases Huawei’s technological innovation and will push the enterprise storage service to a new height.

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2:04
COVID-19: Weekly health check of ISPs, cloud providers and conferencing services
» ‎ Network World

Tags: [edit]

As COVID-19 continues to spread, forcing employees to work from home, the services of ISPs, cloud providers and conferencing services a.k.a. unified communications as a service (UCaaS) providers are experiencing increased traffic.

ThousandEyes is monitoring how these increases affect outages and the performance challenges these providers undergo. 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.

To read this article in full, please click here
1:59
Cisco bumps up ISR/ASR router performance and capacity
» ‎ Network World

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With an eye towards easing potential performance and capacity constraints at the edge of the network, Cisco has bumped up the performance and configuration options for its workhorse router families.

The networking vendor rolled out a new pluggable switching module (SM-X) for the Integrated Services Router (ISR) 4000 branch and a pluggable Embedded Services Process module (ESP-X) for its Aggregation Services Router (ASR) 1000 that promise improved switching, throughput and security features. And for on-premise or public cloud connectivity, management and security, Cisco added a 1100 Series Terminal Services Gateway.

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1:56
Smart network upgrades to consider before the next pandemic
» ‎ Network World

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With little warning, COVID-19 forced large numbers of employees to leave their offices and begin working at home, where they expected fast, reliable access to enterprise services. IT managers had to scramble as the pandemic revealed weaknesses in network infrastructure, planning and management.

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(Insider Story)
June 30, 2020
23:40
Test and review of 4 Wi-Fi 6 routers: Who's the fastest?
» ‎ Network World

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One of the most anticipated features of Wi-Fi 6 wireless routers is improved throughput over their Wi-Fi 5 predecessors, and we wanted to check whether they deliver.

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(Insider Story)
20:34
BrandPost: Securing Digital Innovation at Network Edges with Secure SD-WAN
» ‎ Network World

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Large, distributed organizations continue to shift data, applications, and workflows to the cloud to support digital innovation initiatives. As a result, network edges that still rely heavily on traditional MPLS connections to backhaul traffic through the corporate network need to evolve. To achieve this, many organizations are transforming their WAN architectures with SD-WAN, which leverages dynamic path selection to deliver high application performance at the WAN Edge for even the most bandwidth-heavy applications. However, while SD-WAN provides a number of benefits to distributed organizations, many SD-WAN solutions lack one vital feature: security.

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15:05
BrandPost: Five Networking Keys to Successful Working from Home
» ‎ Network World

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The current crisis has put a spotlight on a tried-and-true networking paradigm: working from home. But despite the typical bandwagon claims, it turns out that effective remote or teleworker connectivity solutions have their own unique set of requirements that can only be satisfied with a broad range of products and services drawn from remote, branch, and campus networking solutions delivering secure access to IT resources from the edge to the data center to the cloud.

Based on Aruba’s extensive experience in enabling remote and home office networking, there are five key components of an effective and productive work-from-home solution that highlight the differences between consumer and enterprise-grade solutions.

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15:04
BrandPost: From Olympic Ice to Field Hospital in a Couple of Weeks
» ‎ Network World

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As a joint strategy for gaining hospital bed capacity for COVID-19 patients, our institutions came together to harness the power of collaboration. By combining the efforts of Grand River Hospital, St. Mary’s General Hospital, Cambridge Memorial Hospital, Guelph General Hospital, St. Joseph’s Health Centre Guelph, and the Wellington Health Care Alliance we’re creatively establishing overflow facilities to continue meeting community healthcare needs here in the Waterloo area of central Ontario, Canada.

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15:03
BrandPost: Business Recovery: The Location-Aware Office and the Reimagined Workplace
» ‎ Network World

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In the past decade, technology has shifted how we live, work, and interact with others—from everyday things like banking and shopping to how we configure our office spaces. So it’s no surprise, really, when we consider that technology will be a key factor in how we get back to the office post-sheltering in place. And while human behaviors (wearing masks, taking care to socially distance, etc.) will be the most important factors in minimizing a new surge in COVID-19 infections, technology will again be the great enabler of what’s possible for the new normal—supporting things like density planning and behavioral goals—all in a seamless and secure manner to keep the workplace safe.

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15:01
BrandPost: Pandemic Spurs Drive-Up Access for Online Learning
» ‎ Network World

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At the beginning of March, when California was in the early stages of realizing the full impact of the COVID-19 pandemic, we had already begun plans to transition to virtual learning at Sacramento State. However, given the diversity of our students, and their varied living situations, we knew that delivering classes online would work only if all of our students could access them.

In addition to providing students with laptops, web cameras, headsets, and microphones as needed, we considered ways to supply the Wi-Fi connectivity required for using them. Although our approximately 230 remaining students in the residence halls could continue using our existing Wi-Fi, “eduroam,” the trick was providing access to the tens of thousands of off-campus students we serve – many of whom may not have a reliable in-home solution.

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15:00
BrandPost: Secure Work from Home by Applying Zero-Trust Best Practices to VPN Infrastructure
» ‎ Network World

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As the security world rotated to a Zero-Trust model for securing the enterprise, tried-and-true technologies such as VPN seemed to fall by the wayside. Yes, many organizations simply assumed VPN credentials were enough to have access to corporate resources, and in fact, this perimeter view gave rise to a Zero-Trust philosophy where no user or device is allowed access without authentication and authorization.

But the idea that you need to choose between VPN and Zero Trust ignores the fact that how products and technologies are implemented will ultimately dictate an organization’s level of protection. “VPN or Zero Trust” is a false choice. With the home as the current employee workplace, organizations are rapidly implementing a range of software and hardware VPN connectivity solutions to support work from home connectivity. But with an eye towards Zero Trust, they are enhancing VPN security with key Zero-Trust components to ensure the organization is protected.

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12:00
Western Digital rolls out NVMe-over-Fabric SSDs for legacy storage migration
» ‎ Network World

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Western Digital is firmly associated with traditional mechanical hard drives, but now it has launched one of the first all-flash solutions for enterprises looking to migrate off traditional storage and enable high-performance apps.

The company announced a new enterprise SSD designed for high-bandwidth, low-latency apps, a high-speed NVMe controller, and one of the first, if not the first NVMe-over-fabrics storage devices. (Even Western and analysts I spoke with aren’t really sure if this is a first.)

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12:00
Nimble tech startups find ways to navigate the pandemic
» ‎ Network World

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The economic devastation of the global COVID-19 pandemic has many businesses fighting for survival, but dealing with chaos and uncertainty comes with the territory for a certain category of business: Startups.

They thrive on disruption (or at least that’s the message they pitch to investors), but is the lean, move-fast-and-break-things model one that can survive global disruptions?

Unlike retail, travel, and tourism that have been hammered by the downturn, data-center and networking businesses have fared better, with some such as teleconferencing seeing spikes in demand.

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0:34
Painless file extraction on Linux
» ‎ Network World

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Extracting files from archives in Linux systems is considerably less painful than tooth extraction, but sometimes seems more complicated. In this post, we will take a look at how you can easily extract files from just about any kind of archive you’re likely to run into on a Linux system.

There’s a pile of them – everything from .gz to .tbz2 files with some variations for how those files are named. Sure, you can memorize all of the various commands available for extracting files from archives along with the options they offer, but you can also just deposit all that know-how into a script and stop worrying about the details.

In this post, we assemble a series of extraction commands into a script that calls the proper command to extract the content of file archives depending on the archive file names. The script starts with some commands to verify that a file name has been provided as an argument or ask that the person running the script provide one.

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June 29, 2020
16:25
NIST aims to make frequency sharing more efficient for wireless networks
» ‎ Network World

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A machine-learning formula developed by the National Institute of Standards and Technology (NIST) has the potential to significantly improve how 5G and other wireless networks select and share communications frequencies. Compared to trial-and-error methods, NIST's formula could make the process of sharing communications frequencies as much as 5,000 times more efficient, researchers claim.

The NIST system is based the idea that radio equipment can learn its network environments from experience rather than, as is done now, simply select frequency channels based on trial-and-error.

To read this article in full, please click here
12:00
Ampere announces 128-core Arm server processor
» ‎ Network World

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Ampere – the semiconductor startup founded by former Intel executive Renee James and not to be confused with the new line of Nvidia cards – just introduced a 128-core, Arm-based server processor to complement its 80-core part.

The new processor, Altra Max, comes just three months after the company launched its first product, the 80-core Altra. Ampere says the new processor will be fully socket compatible with the existing part so customers can just do a chip swap if they want.
Ampere
"This is not replacing Altra," says Jeff Wittich, senior vice president of products at Ampere and one of many ex-Intel executives at Ampere. "I expect there will be workloads and customers who will use Altra and Altra Max together for a long time. Anything suited for Max will be suited for Altra for a long time."

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12:00
Pandemic-driven changes to application-delivery infrastructure may become permanent
» ‎ Network World

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(A recent Enterprise Management Associates survey of 253 enterprises about their use of application-delivery infrastructure during the COVID-19 pandemic found that changes in how users access applications has forced adjustments to that infrastructure. The results are published in an EMA report “Application Delivery Infrastructure for Multi-Cloud Enterprises.” This article by EMA Vice President of Research Networking Shamus McGillicuddy discusses the results of the survey.)

To read this article in full, please click here
(Insider Story)
June 26, 2020
15:16
Inside network automation trends
» ‎ Network World

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With the novel coronavirus dragging the global economy into recession and forcing entire workforces to telecommute, many businesses have been forced into an early stress test of their digital transformation (DX) investments.

The results of those pop quizzes have been mixed. On one hand Zoom Bombs are now a thing, but on the positive side, most IT organizations have found that supporting a surge in remote workers is a challenge they were ready for, one different mostly in scale, not kind.

After all, in the past few years, businesses in a range of market sectors, from banking to insurance to retail, have invested heavily in DX initiatives. In the financial sector, Ovum Research found that banks spent close to $10 billion in 2018 on front-office digital banking initiatives alone.

To read this article in full, please click here
June 25, 2020
17:59
How to stress test your Linux system
» ‎ Network World

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Why would you ever want to stress your Linux system? Because sometimes you might want to know how a system will behave when it’s under a lot of pressure due to a large number of running processes, heavy network traffic, excessive memory use and so on. This kind of testing can help to ensure that a system is ready to "go public".

If you need to predict how long applications might take to respond and what, if any, processes might fail or run slowly under a heavy load, doing the stress testing up front can be a very good idea.
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Fortunately for those who need to be able to predict how a Linux system will react under stress, there are some helpful techniques you can employ and tools that you can use to make the process easier. In this post, we examine a few options.

To read this article in full, please click here
17:28
VMware offers up a SASE service with SD-WAN built in
» ‎ Network World

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VMware is boosting secure access for remote and mobile workers by mixing its Workspace ONE offering with its SD-WAN package.

The resulting VMware SD-WAN Zero Trust Service promises to help enterprises handle growing distributed workloads for remote workers. The service also represents a big step toward secure-access service edge (SASE), a new secuity architecture with a growning portfolio of products across vendors that promise to blend SD-WAN networking and security technologies into cloud-based services.

To read this article in full, please click here
June 24, 2020
23:44
Wi-Fi 6E: When it’s coming and what it’s good for
» ‎ Network World

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This spring the FCC opened up a new swath of unlicensed wireless spectrum in the 6GHz band that’s intended for use with Wi-Fi and can provide lower latency and faster data rates. The new spectrum also has a shorter range and supports more channels than bands that were already dedicated to Wi-Fi, making it suitable for deployment in high-density areas like stadiums.

To further understand what Wi-Fi 6E is and how it differs from Wi-Fi 6, I recently talked with Perry Correll, director of product management for networking solutions vendor Extreme Networks.

To read this article in full, please click here
23:43
Ripple20 TCP/IP flaws can be patched but still threaten IoT devices
» ‎ Network World

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A set of serious network security vulnerabilities collectively known as Ripple20 roiled the IoT landscape when they came to light last week, and the problems they pose for IoT-equipped businesses could be both dangerous and difficult to solve.

Ripple20 was originally discovered by Israel-based security company JSOF in September 2019. It affects a lightweight, proprietary TCP/IP library created by a small company in Ohio called Treck, which has issued a patch for the vulnerabilities. Several of those vulnerabilities would allow for remote-code execution, allowing for data theft, malicious takeovers and more, said the security vendor.

That, however, isn’t the end of the problem. The TCP/IP library that contains the vulnerabilities has been used in a huge range of connected devices, from medical devices to industrial control systems to printers, and actually delivering and applying the patch is a vast undertaking. JSOF said that “hundreds of millions” of devices could be affected. Many devices don’t have the capacity to receive remote patches, and Terry Dunlap, co-founder of security vendor ReFirm Labs, said that there are numerous hurdles to getting patches onto older equipment in particular.

To read this article in full, please click here
23:43
How to assess user activity in Linux
» ‎ Network World

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If you’re managing a Linux server, it’s good to be ready with a number of commands that you can use to check user activity – when your users are logging in and how often, what groups they belong to, how much disk space they’re consuming, what command they're running, how much disk space they're occupying, if they’re reading their mail and more.

In this post, we'll look at a number of commands that can help you understand who your user are and how they work.
[Get regularly scheduled insights by signing up for Network World newsletters.] finger
One handy command for getting a user profile is finger. It allows you to see who is logged in or focus on a single user to view their last login, where they logged in from, how long they've been idle (how long since they ran a command), etc. In this command, we are looking at the user nemo.

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16:03
Simplifying SD-WAN Operations with Centralized Management and Orchestration
» ‎ Network World

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Software-defined wide-area networking (SD-WAN) is rapidly replacing the traditional WAN for remote office and branch deployments. SD-WAN was designed to provide a wide range of benefits to support digital innovation. However, far too many SD-WAN solutions lack critical networking and security features, requiring organizations to add complex and costly overlay solutions to manage and protect their SD-WAN deployments.

For example, one critical issue organizations face – especially when a large number of SD-WAN devices have been deployed – is orchestrating communications, workflows, and other traffic between branch offices. While a traditional WAN model is certainly inefficient from a bandwidth or application management perspective, its hub and spoke model for connecting remote environments is relatively simple to deploy and manage. Since SD-WAN enables direct connections to the internet, however, building a communications overlay requires a complex, fully meshed VPN solution that can be a nightmare to design, implement, and manage.

To read this article in full, please click here
6:00
Amazon rolls out AWS Snowcone for portable, ruggedized edge computing
» ‎ Network World

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Snowcone is the newest and smallest addition to the lineup of AWS Snow edge-computing devices, which are designed to collect data from remote, disconnected locations, process the data locally, and then move the data to an AWS data center.

The rugged AWS Snowcone measures 9 inches x 6 inches x 3 inches and weighs just 4.5 pounds, making it small enough for a backpack or mailbox. It has an E Ink display for shipping labels, which is the same display as the Kindle.

READ MORE: AWS launches Outposts for on-premises hybrid cloud

To read this article in full, please click here
0:04
The 10 fastest supercomputers are led by one 2.8x faster than the rest
» ‎ Network World

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The newly crowned fastest supercomputer in the world according to the current TOP500 list of the world’s fastest buried the reigning champion by turning in speeds that were 2.8 times faster.

To read this article in full, please click here
(Insider Story)
June 23, 2020
16:42
Intel unveils third-generation Xeon Scalable processors
» ‎ Network World

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Intel formally unveiled the third generation of its Xeon Scalable processor family, developed under the codename "Cooper Lake." This generation is aimed at the high end of the performance line for functions such as high-performance computing (HPC) and artificial intelligence (AI).

The Cooper Lake line is targeted at four- and eight-socket servers. Xeons based on the Ice Lake architecture are due later this year and will target one- and two-socket servers. The latest announcement includes 11 new SKUs with between 16 and 28 cores, running at up to 3.1 Ghz base clock (and up to 4.3 Ghz with Turbo Boost), plus support for up to six memory channels.

READ MORE: Data center sales dip amid COVID-19 fallout, but public cloud grows

To read this article in full, please click here
16:34
Get nearly $800-worth of beginner-friendly AI dev training for just $35
» ‎ Network World

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If you want a career that’ll provide security well into the future, this e-training bundle may be just the ticket.
3:19
COVID-19: Weekly health check of ISPs, cloud providers and conferencing services
» ‎ Network World

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As COVID-19 continues to spread, forcing employees to work from home, the services of ISPs, cloud providers and conferencing services a.k.a. unified communications as a service (UCaaS) providers are experiencing increased traffic.

ThousandEyes is monitoring how these increases affect outages and the performance challenges these providers undergo. 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.

To read this article in full, please click here
June 22, 2020
23:54
Microsoft is buying CyberX to bolster its Azure IoT security
» ‎ Network World

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Microsoft has announced it will purchase the industrially focused network security vendor CyberX for an undisclosed sum in an effort to bolster the security capabilities of its Azure IoT platform.

The acquisition strikes at the heart of two key IIoT security pain points. While it’s comparatively easy to build new IoT devices that have all the necessary features for seamless security management, older devices running a wildly diverse range of different protocols, which may lack important features like the ability to be patched remotely, are a bigger challenge.

To read this article in full, please click here
June 19, 2020
21:08
Get $590 worth of pro cloud computing certificate training for just $30
» ‎ Network World

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Prepare to earn your CompTIA Cloud+ and Security+ certifications and fast track your career goals.
14:33
FCC makes it easier to deploy 5G in cities
» ‎ Network World

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The FCC has made deploying 5G easier by limiting the influence cities have over whether the wireless infrastructure is too unsightly or obtrusive.

Recent rule changes enable the major mobile network operators to modify existing base stations and build new ones, in anticipation of a massive national rollout of 5G, which is expected to bring a number of new capabilities beyond simply increasing network speeds.

Learn more about 5G and WiFi 6

To read this article in full, please click here
June 18, 2020
23:38
As work-at-home increases, so do attacks on VoIP and unified communications
» ‎ Network World

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Businesses use on-prem and cloud-based unified communications (UC) to connect distributed workforces but often don’t realize the security threats hidden within popular UC services, but they should, and they should address them.

There has been a sharp rise in eMeetings, Voice over IP (VoIP) and other UC capabilities as companies shift to a work-from-home (WFH) model because of the COVID-19 pandemic. Don’t expect this trend to abate any time soon as 93% of CXOs that responded to a ZK Research study say they see a permanent 30% uplift in the number of remote employees.
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Survey respondents say maintaining productivity is the top challenge when shifting users to WFH, highlighting the importance of collaboration tools. The right ones can make the transition seamless. For example, VoIP enables workers to maintain the same phone number at home as they do in the office. They can also connect using a desk phone, mobile phone or software client on a computer, which makes the shift nearly frictionless.

To read this article in full, please click here
22:35
Ambient 'T-rays' could help power IoT devices
» ‎ Network World

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Most things with a measurable temperature – human beings going about their daily routines, inert objects – generate terahertz waves, radiation that is sandwiched between infrared and microwave on the electromagnetic spectrum.

So far, these waves haven’t proved very useful, but now scientists at MIT are trying to harness them with devices that use them to generate electricity that could charge the batteries of cellphones, laptops, even medical implants.
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If successful, the charging devices would passively gather the waves and generate DC current at room temperature, something that hasn’t been accomplished before. Previous devices that can turn terahertz waves – T-rays – to electricity only work in ultracold environments, according to an MIT News article about the project.

To read this article in full, please click here
22:35
HPE CEO Neri tests positive for COVID-19, talks hot topics for HPE's Discover event
» ‎ Network World

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The COVID-19 pandemic struck home for HPE CEO Antonio Neri this week as he told the world he tested positive for the disease on June 16. HPE says Neri is feeling well and plans to operate business as usual while he quarantines at home, including playing a key role in the vendor’s Discover 2020 virtual event next week.

Indeed Neri was well enough to talk with Network World about the hot topics and trends the company will address at Discover.

To read this article in full, please click here

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