On Thu, Sep 15, 2022 at 9:33 PM Andy Ruhl <acr...@gmail.com> wrote: > > On Thu, Sep 15, 2022 at 12:34 AM Ryota Ozaki <ozak...@netbsd.org> wrote: > > > > Hi, > > > > Are there any users of TCP Vestigial Time-Wait (VTW)? > > The feature is disabled by default and we need to explicitly > > enable via sysctl to use it. > > > > I just want to know if we should still maintain it. > > > > ozaki-r > > I wasn't even aware of it. I read the comments in > sys/netinet/tcp_vtw.c. Seems useful for systems that handle a lot of > sockets. Pretty neat. > > Is there some reason why this is obsolete or something? > > Andy
When we do mp-ification of TCP, VTW requires extra efforts; the code looks not mp-ification friendly. If nobody uses the feature, we can defer mp-ification of it or completely ignore it. So I asked the question. ozaki-r
