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

While DPUs dominated the conversation in 2021, the fledgling technology remains mired in misconceptions.

Cisco's $4.5 billion Acacia acquisition topped a busy optical M&A year; and cloud and telecom giants paced green efforts in 2021.

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.

The aspiring greenfield operator moved the goalposts throughout 2021 and still ended the year without a single score.

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

Before we start speculating on how bad the bugs are going to get next year, let’s take a look back at some of the worst cyberattacks of 2021.

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.

The engineer turned CEO and 30-year Intel veteran spent much of 2021 reinventing the company that jumpstarted his career.

“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.

Adding three new members will expand the alliance’s telemetry sources across cloud (Cloudflare), IoT (Armis), and network (ThreatWarrior), CrowdStrike says.

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.

The networking giant exceeded several diversity and environmental targets by more than a year, according to Cisco's latest report.

T-Mobile had a lot of wins in 2021, but it also suffered "the largest carrier breach on record," analyst Zeus Kerravala said.

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.

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.

Nvidia claims its DPUs are faster than rival Fungible, which claimed a $10 million IOPS record last month.