David Newman

Newman, a Network World Test Alliance partner, isÂ president of Network TestÂ in West Lake Village, Calif. He can be reached at dnewman@networktest.com.

The Latest from David

Cisco Nexus 9516 review: How we did it

Details on the test bed and procedures for the densest switch test Network World has performed.

Cisco Nexus 9516 data center switch aces a grueling high-density stress test

Our test of a Cisco Nexus 9516 with 1,024 fully loaded 50G Ethernet ports - the highest density core-switch test ever done by Network World - found it capable of handling the strain without dropping a packet.

Clear Choice Tests

REVIEW: Home security cameras fall short on security

In tests of 7 IP-based cameras, only Canary passed muster.

Clear Choice Tests

6 steps to secure a home security camera

No device is 100 percent immune from vulnerabilities, but there are some simple, common-sense steps you can take to protect IP-based cameras.

Clear Choice Tests

Review: Wave 2 Wi-Fi delivers dramatic performance boost for home networks

In our testing with a Linksys SoHo router, we found that beamforming and MU-MIMO technologies could transform Wi-Fi networks

Clear Choice Tests

Review: Is white-box switching the future of networking?

10 lessons learned from testing Cumulus Linux software on an Edge-Core data center switch.

Review: FireEye fights off multi-stage malware

You can't see some malware until it's too late. Sophisticated attacks arrive in pieces, each seemingly benign. Once these advanced attacks reassemble, the target is already compromised.

Macs revolutionized desktop publishing

Desktop publishing was the killer app that got me started with Macs.

What is a vulnerability?

Judging by initial appearances, our security testing turned up a ton of vulnerabilities – nearly 150 of them. In reality, however, none represented actual issues in the Huawei switch.

EXCLUSIVE TEST: Huawei switch: Good first effort

In this Clear Choice test – Huawei's first public outing in a North American setting – the world's largest telecom vendor took the humble approach, supplying a pretty basic managed layer-2 switch that is a key building block found in...

F5 data center firewall aces performance test

Huge data center, check. Multiple 10G Ethernet pipes, check. Load balancer, check. Firewall? Really? Do network architects need to buy yet another box, and likely take a performance hit?