Check out our top 10 articles for December 2021 covering the SDxCentral universe of cloud, telecom, security, and networking. Rankings are based on unique visitors aggregated during the month.

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

The partnership comes amid several high-profile customer wins for Kyndryl including RSA, BWM, and Raytheon Technologies. Read more.

“This vulnerability is so dangerous because of its massive scale,” Forrester Analyst Allie Mellen said. Read more.

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. Read more.

Users can deploy Cisco’s Secure Firewall Threat Defense platform directly from within Alkira’s Cloud Services Exchange beginning early next year. Read more.

When the world’s largest public cloud fails, major organizations that rely on it are left in limbo. Read more.

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. Read more.

“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 said. Read more.

Amazon, Google, and Microsoft drove 400 Gb/s Ethernet switch deployments during the third quarter, Dell’Oro Group analysts report. Read more.

"It seems appropriate that as we were getting people moving from Palo Alto [Networks], that the appropriate place for them to move was Oahu," Cloudflare CEO Matthew Prince said. Read more.