On Mon, Jan 23, 2017 at 10:01 PM, Thor Lancelot Simon <[email protected]> wrote: > On Mon, Jan 23, 2017 at 05:58:20PM +0900, Ryota Ozaki wrote: >> >> The demerit is that that mechanism adds non-trivial >> overhead; RTT of ping increases by 30 usec. > > I don't see why overhead for control protocols like ICMP matters. I > think if you look at longstanding commercial designs for networking > equipment -- software and hardware alike -- for literally decades they > have taken the approach of optimizing the fast path (forwarding, data > protocol performance) while allowing the exception/error paths (ICMP etc.) > to be very slow.
Yes, so I proposed this approach regardless of the overhead. If none objects, I'm going to implement a complete version of my proposal in protosw. ozaki-r
