2021 is headed for the history books, and we now turn our attention towards the new year. The last year—well to be more precise, the last two years—have brought about significant changes in network environments as digital transformation initiatives, cloud computing adoption, edge computing and hybrid work models impact how networks are acquired, deployed, and managed. The rate of change has only been matched by the pace of innovation as network technologies rapidly evolve to deliver enhanced functionality and secure experiences. As a result, there are a number of key technologies and architectures to follow in 2022.