Re: What is TCPRenoRecoveryFail ?

From: Nivedita Singhvi (nivedita@us.ibm.com)
Date: Wed Feb 27 2002 - 12:25:50 EST


> There are no options to negotiate DSACK,

Didnt mean option negotiation, the SACK permitted
works fine

> SACK implies DSACK will cause no harm. An
> pre-DSACK implementation of SACK should
> effectively treat the DSACKs as nops, ie.
> they are harmless.

You would hope ;), but there is some bug in some Windoze I suspect
that gets confused by a duplicate SACK in some situation. I havent
been able to reproduce this on my hw, but have seen a strange trace
a while ago that was pretty similar.

thanks,
Nivedita

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