[Cse461] Initial sequence number

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There seems to be some confusion about how to use the initial sequence
number (probably caused by the tcpdump output on the last homework).

The sender picks a random initial sequence number k, and sends SYN with
seqNum=k. The receiver replies with ACK and seqNum=k+1. Now the connection
is established, and from this point sequenceNumbers are in terms of bytes,
starting from k+1.

Cheers,
Janet

-- 
Janet Davis
jlnd_at_cs.washington.edu
http://www.cs.washington.edu/homes/jlnd/
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