New traffic patterns from the likes of Netflix are causing lots of hairpinning and 'hot potato' traffic handoffs, all of which consume expensive PE router ports. Here's how ISPs can use SDN and white box switching to curb the problem.
Christopher Liljenstolpe is Director of Solutions Architecture for the Metaswitch Networking Business Unit. Christopher previously served as solutions architect for Big Switch Networks where he played a key role realizing some of the industry’s earliest SDN deployments. Prior to Big Switch, he was the director of architecture, networks and services at Telstra. His past roles have also included Chief Architect, Cable & Wireless, CTO for the IP Division, APAC for Alcatel-Lucent, and L3 architect for Woven Systems. Christopher has acted as co-chair of the Operations Area Working Group in the IETF and has spoken widely on IP, MPLS, SDN, and network operational issues in various standards bodies and conferences.