OvS DPDK Conntrack Benchmarking
In this technical write up, I explain how I came up with a method to benchmark the Open vSwitch (OvS) userspace datapath connection tracking performance and how this was used to characterize this recent patch series included in OvS 3.0.0 which aims at improving the multi-thread scalability. What Is Connection Tracking? Connection tracking (conntrack) is the process of keeping track of logical network connections (also named flows) and thereby identifying all packets that make up each flow so that they can be handled consistently together....