s fast. It uses a combination of <code>seccomp</code> filtering and binary instrumentation to aggressively limit intervening with application’s normal execution. AppSwitch is particularly suited for service mesh and application networking use cases given that it implements those features without ever having to actually touch the data. In contrast, network level approaches incur per-packet cost. Take a look at this <a href=/v1.25/blog/2018/delayering-istio/>blog</a> for some of the performance measurements