Bloch sphere representation of a qubit, the fundamental building block of quantum computers.

Quantum primacy: Is it real (and if so, does it matter)?

Developers of quantum computers are vying to show that theirs can out-perform classical computers but perhaps not replace them.

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Shortcuts for adding multiple lines of text to files on Linux

It's easy to add a few lines of text to files on Linux, but there are tools that make it easier to add many lines.

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SmartNICs set to infiltrate enterprise networks

Use of smartNICs in the enterprise is just beginning to appear, and VMware, Pensando, Aruba, Intel, AWS, Nvidia and Juniper are getting in on the action.


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How to buy Wi-Fi 6 access points

With more unlicensed wireless spectrum and specifications for MU-MIMO and OFDMA, the Wi-Fi 6 standard promises faster, more reliable networks, but not all vendors meet all the specs.

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Using the script command on Linux to record command line activity

The script command not only makes a record of what commands you run but also allows you to save the output generated so that you can examine it later or easily turn your command sequences into scripts.

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Cisco CCIE certification explained

Cisco Certified Internetwork Expert demonstrates an advanced understanding of networking principles plus specialized expertise in an area such as enterprise infrastructure, wireless, data center, security, and collaboration.

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FCC auction for prime 5G bandwidth rakes in $21.8B

The month-long FCC auction of 3.5GHz-to-3.55GHz wireless spectrum seems to have favored large providers looking to move ahead with their 5G-network deployments.

Server racks with illuminated indicators in a dimly lit data center.

Xilinx launches a data-center accelerator for HPC

The Xilinx Alveo U55C data-center accelerator is smaller, has more memory, and draws less power than its predecessor, making it more attractive for high-performance computing.

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Spinoffs Kyndryl and VMware team up on multicloud

Under the agreement Kyndryl and VMware said they will focus on developing unique services aimed at multicloud infrastructure and management, digital workspace, managed applications, resiliency and security, and network and edge...

SD-WAN Predictions

IDC: Cisco, Fortinet, HPE-Aruba, VMware lead hot SD-WAN market

IDC's “MarketScape: Worldwide SD-WAN Infrastructure 2021 Vendor Assessment” looks at the capabilities and evaluates the core features offered by 12 SD-WAN infrastructure vendors.


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Researchers show how to exploit Bluetooth Classic security flaws

A set of Bluetooth Classic vulnerabilities has a new proof-of-concept from a Singapore-based security research team, as chipset makers scramble to deploy patches.

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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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How to inventory server hardware with PowerShell

Prioritizing hardware upgrades for Windows Servers need not be a lengthy manual process with knowledge of the Get-WmiObject cmdlet.

cloud security

Palo Alto software advances end-to-end enterprise cloud security

Palo Alto rolled out a new version of its core cloud security package, Prisma 3.0, which includes the ability to code security directly into SaaS applications.

A distributed network of wireless connections spans a cityscape.

New Cisco/Intel feature provides troubleshooting-data from Intel Wi-Fi endpoints

Intel Connectivity Analytics provides data about networked PCs, laptops, tablets on Cisco Wi-Fi networks so IT pros can better monitor and evaluate end-user experience.