* Dave Taht | 2013-05-09 13:55:18 [-0700]: >While this appears to make a great deal of sense > >http://tools.ietf.org/html/draft-dukkipati-tcpm-tcp-loss-probe-01 > >and just landed in > >http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ba8a3b19e764b6a65e4030ab0999be50c291e6c > >I was intrigued by several of the pieces of data that drive this stuff > >Measurements on Google Web servers show that approximately 70% of > retransmissions for Web transfers are sent after the RTO timer > expires, while only 30% are handled by fast recovery. Even on > servers exclusively serving YouTube videos, RTO based retransmissions, > >96% of the timeout episodes occur without any preceding duplicate ACKs or >other indication of losses at the sender
Btw: Nandita introduced a new MIB entry: LINUX_MIB_TCPLOSSPROBES. $ nstat -a | grep TCPLossProbes will show fired probes. Hagen _______________________________________________ Bloat mailing list [email protected] https://lists.bufferbloat.net/listinfo/bloat
