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On 12 Apr 2006, at 12:21, Michael Rogers wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > >> Increment the window size by 1/window size when a packet succeeds. >> Halve it when one fails. > > That's what TCP does in congestion avoidance mode (ie when cwind > > ssthresh) but it's less aggressive than what TCP does in slow start > mode, so connections will take longer to reach full speed and to > return > to full speed after a packet loss. You might not get great link > utilisation but it seems like a good compromise because it avoids the > complexity of calculating ssthresh. If we don't already, we should also remember the window size between the transmission of different blocks of data, rather than starting from scratch once every 32kb block. Ian. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (Darwin) iD8DBQFEPVm+QtgxRWSmsqwRAiQrAJ94zohroOWXsgng8xY3AxIXH2RpVQCdG9vz RdGCOiSQXaGlhrJRpodSKko= =MAgE -----END PGP SIGNATURE-----
