The WAN continues to extend its growth, with the number of enterprises connecting to over 100 inter-regional sites growing by 50%, according to Aryaka. Zoom was identified as critical by 36% in 2021, up from 25% in 2020. SD-WAN/SASE-driven network refresh this year versus 29% last year. The new remote workforce, due to the pandemic, led to this VPN increase in VPN investment. The number of enterprise SASE deployment plans are accelerating, with 29% stating that they are already deploying what they consider a SASE architecture.
Source: https://www.helpnetsecurity.com/2021/03/25/wan-growth-network-complexity/