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News and analysis on networking, the data center, and IoT

Network World First Look

28 Apr, 2022

South Asia data centre guide 2022: country by country

India is the hotbed of data centre investments, but all nations in the region are investing in their own facilities as well.

Image: MPLS, SDN, even SD-WAN can give you the network observability you need

MPLS, SDN, even SD-WAN can give you the network observability you need

The ‘best’ traffic paths chosen by routers in a network won’t necessarily be the fastest ones.

Alibaba, Microsoft launch Arm-based cloud instances

The Arm processor isn’t setting the world on fire on regular servers, but it does seem to have found a home in the cloud.

Using whereis, whatis, and which to find out about commands on Linux

The whereis, whatis and which commands can provide information on Linux commands, but in spite of names that appear related, they provide very different answers.

Basing network security on IP addressing: Would it be worth it?

Rather than layering security onto networks, the networks and carefully managed authorization policies can hinder attacks, but at an administrative cost.

What is a SAN and how does it differ from NAS?

A storage area network (SAN) is a pool of centrally managed storage resources, but how is a SAN different from NAS, and how are SANs being impacted by flash storage, AI and hyperconvergence?

10 most powerful Wi-Fi vendors

Cisco, HPE-Aruba, Ubiquiti, CommScope are driving the transition from Wi-Fi 5 to Wi-Fi 6 and beyond with automation, AI and machine learning

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