TCP state diagram mistake


Bruce Crabill (BRUCE%UMDD.BITNET@CUNYVM.CUNY.EDU)
Sun, 17 Apr 88 04:12:25 EDT


This is probably a rediscovery of an old mistake, but in RFC-793 (TCP
Protocol Specification) in the TCP Connection State Diagram on page 23,
the transition from the SYN-SENT state to the SYN-RECEIVED state by the
reception of a bare SYN, indicates that this should case a bare ACK to
be sent. However, on page 32 (Simultaneous Connection Synchronizaton)
and text on page 68, it would appear that the correct thing to do is to
send a SYN,ACK. If this is a known problem, is there an RFC or other
location where known problems are kept?

                                       Bruce



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