Re: Last Call: Security Architecture for the Internet Protocol to Proposed Standard

From: Craig Partridge ([email protected])
Date: Wed Apr 01 1998 - 11:06:50 EST


In message <[email protected]>, Francesco Potorti` writes:

>Correct me if I'm wrong. Using big windows is good if you know your
>path includes a satellite (or big pipe) link. It is not necessarily
>good in general. In particular, if the receiving host is behind a
>slow line (say, a modem at home), the only effect of advertising a big
>window is to build a big queue at the router where the slow line
>connects to, with a consequent series of bad effects on throughout as
>soon as the queue overflows and packets are dropped.

Actually not the case. The effect of advertising a big window is that
you waste buffer space -- TCP will figure out that the link is low bandwidth
and will not try to fill the window.

Craig



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