On Tue, Mar 5, 2019 at 12:09 PM Joel Jaeggli <joe...@bogus.com> wrote:
> Parsing the icmp payload was something we considered in rfc7690 but wasn’t > one the approaches we pursued (we broadcasted the ptb to all hosts on the > segment(s) behind the load balancers in our original implementation). > > It actually seems like it is becoming feasible to do in an Ethernet switch > ASIC like tofino if that is what you want to burn real estate on. Being > worthwhile is another matter. It is definitely possible in all relevant existing NPUs like Trio, Solar, FP, EZChip, Lightspeed et.al. As it is within visibility of lookup engine and it is at fixed offset. So not only possible but also cheap. -- ++ytti
