On Mon, Feb 12, 2007 at 11:51:15AM +0000, Michael Rogers wrote: > Matthew Toseland wrote: > >> TCP fast retransmits 1 when 2,3,4 have been acked, without considering > >> the RTT. The simulator code also checks that 1 was last sent > >> 1.5*RTT+MAX_DELAY seconds ago, but this is just to prevent 1 from being > >> retransmitted again when 5 is acked. > > > > Okay so TCP has a cooldown instead? Won't resend a given packet more > > often than once per RTT? > > I'm not sure - I believe TCP only fast retransmits each packet once, so > subsequent retransmissions would be due to timeouts (checked every 500ms).
Well, show me what works best in simulation / what other people do. But I'd really rather avoid an extra packet for every packet if possible. > > Cheers, > Michael -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: Digital signature URL: <https://emu.freenetproject.org/pipermail/devl/attachments/20070213/5b728786/attachment.pgp>
