Cloudflare CEO touts its cloud-native firewall; Ethernet switch revenue grew 11% year over year in Q3; and Verizon’s 5G mmWave network has a tree problem.

Cisco embraced hybrid work; Pat Gelsinger left VMware; and Nutanix cut 2.5% of its workforce.

At the end of 2021, many familiar cloud and telecom names remain at the top of the EPA's Green Power Partnership rankings.

Cisco's $4.5 billion Acacia acquisition was the most significant and disruptive optical deal of 2021, Dell’Oro Group VP Jimmy Yu said.

Dish Network didn't fulfill any of the 5G promises it made in 2021; and how cloud vault platforms can protect against ransomware.

A Dell Technologies’ survey found 64% of organizations using the public cloud or hybrid architectures lack confidence that they can protect all data across these environments.

SDxCentral recaps the worst cyberattacks of 2021; 7 Layers reviews this year’s biggest tech talking points.

How major cloud providers help customers measure their cloud carbon footprint; and CrowdStrike added new members to its XDR alliance.

“Interest in zero trust has exploded due to the numerous high-profile security attacks in the recent past," analyst Mauricio Sanchez said.

“Once you start going out into the real world where a building, a tree, whatever is going to shadow that signal, then all bets are off," analyst Earl Lum

Never mind the elusive killer apps for 5G. What if 5G’s killer apps were staring right at us all along?

SD-WAN is evolving, fueled by a potent cocktail of cloud, edge, and networking technologies that we call multi-cloud.

The past year saw Aruba ascend to the SD-WAN leaders' pack as it worked to integrate Silver Peak into its Edge Services Platform.

The top three cloud players each released tools that measure a company's carbon footprint associated with its cloud usage.

NTT announced a hybrid-cloud partnership with HPE and Microsoft; Verizon pushed its 5G standalone core to 2022; and a recap of T-Mobile's turbulent 2021.

Verizon previously said 5G network traffic would start hitting its 5G core in 2020 and pledged full commercialization of the 5G SA core in 2021.

“HPE GreenLake allows us to pay for what we use so we can accurately match our costs to revenue,” NTT's Hidenori Kigami said.

NaaS soared in 2021; Nvidia touted a new DPU record; and the last 12 months were plagued with vulnerabilities from SolarWinds to Log4j.

“Software has bugs — sometimes severe security bugs, with significant potential consequences,” Forrester analysts wrote.

When it comes to NaaS, Cisco, HPE, and Dell are "at different points in their history, but HPE and Dell got a headstart," analyst Zeus Kerravala said.

Convergia, Eastern Communications, Halo Global, Lintasarta, Ooredoo Qatar, PLDT, and Transtelco now offer Fortinet's Secure SD-WAN platform.

Here’s a look back at VMware’s road to freedom in 2021 as it spun off from Dell Technologies into a $64 billion software giant.

As supply restrictions ease and smartNICs gain traction, adapter shipments should return to double-digit growth in 2022, Dell’Oro Group's Baron Fung forecasts.

AppsFlyer partnered with Intel to accelerate homomorphic encryption; Microsoft made CDP’s climate A list; and T-Mobile and Verizon shun public clouds.