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FAQ: What in the wireless world is CBRS?

Citizens Broadband Radio Service is shared wireless spectrum in the 3.5GHz band that could have big implications for building private LTE networks and for extending public 4G and 5G services.

mainframe servers in the cloud

IBM upgrades its Big Iron OS for better cloud, security, and AI support

IBM's latest version of z/OS addresses easier provisioning and embraces Linux applications and utilities.

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Xilinx launches Versal HBM processors for the data center

The Versal HBM series from Xilinx includes fast memory, secure connectivity and adaptable compute in a single platform.



Is SD-WAN out to kill MPLS?

SD-WAN is something everyone's talking about but is it better than MPLS? My answer is yes... and it's easier to explain than baseball.

liquid cooling

HPE servers will ship in liquid-cooled chassis

HPE and Iceotope have an agreement for Isotope to sell HPE ProLiant servers in its liquid-cooled, ruggedized chassis.

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Commands to find Linux-package updates

Here are easy ways to list upgrades available for installed packages on Fedora, Ubuntu and related Linux systems.

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IBM builds ransomware protection into on-prem storage

IBM's Safeguarded Copy takes a snapshot of your systems and stores it where ransomware can't reach it.

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What is NAS (network-attached storage) and how does it work?

Improvements in network-attached storage density and performance target unstructured data workloads. Here's how a NAS server works, how it is different from a SAN, and what IT buyers want in file-level storage.

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Survey: Home-office networks demand better monitoring tools

Improved monitoring of work-at-home environments requires money, simplified infrastructure, and better IT leadership.

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Wi-Fi 6E: Don’t let hype push you off your refresh cycle

The promise of Wi-Fi in the 6GHz band is undeniable, but experts agree that, for now, it’s rarely worth deviating from your usual Wi-Fi refresh cycle.


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Weekly internet health check, US and worldwide

ThousandEyes, which tracks internet and cloud traffic, provides Network World with weekly updates on the performance of three categories of service provider: ISP, cloud provider, UCaaS.

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Hybrid cloud success: 5 things to forget about, 4 things to remember

Prepping for hybrid cloud relies on essentials like developing in-house expertise and careful analysis that proves out what the cost benefits will be.

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Cisco CCNA certification explained

Cisco Certified Network Associate is an associate-level certification designed to demonstrate that a candidate understands the fundamentals of networking, including network access, IP connectivity, security basics, and automation and...

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Find out what packages are installed on your Fedora system

The dnf command can uncover a wealth of information about what file packages are installed on Fedora and related systems

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SD-WAN buyers guide: Key questions to ask vendors (and yourself)

SD-WAN purchasing starts with deciding DIY vs. managed service, but includes asking about details like microsegmentation, path control, service chaining, and how it’s going to fit with SASE