From: Janet Davis (jlnd_at_cs.washington.edu)
Date: Mon Mar 01 2004 - 10:45:09 PST
On Sun, 29 Feb 2004, Don Kim wrote:
> Hey Janet. On #4, it says "Note that the TCP rule during slow start is to
> add an additional packet to the existing congestion window size whenever a
> succesful acknowledgement is received." This description of slow start
> sounds like AIMD to me (and a couple of other 461 students). Is there a
> typo here anywhere? Or does TCP just want to act cool and call AIMD "slow
> start"?
Slow start doubles the cwnd every RTT -- which is the same as adding one
packet to cwnd whenever a successful acknowledgment is received. (You can
read about this in the textbook.) AIMD adds only one packet to the cwnd
each RTT.
Cheers,
Janet
-- Janet Davis jlnd_at_cs.washington.edu http://www.cs.washington.edu/homes/jlnd/ _______________________________________________ Cse461 mailing list Cse461_at_cs.washington.edu http://mailman.cs.washington.edu/mailman/listinfo/cse461
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