Re: TCP behaviour change between 2.0.36 and 2.2pre4

Meelis Roos (mroos@tartu.cyber.ee)
Wed, 6 Jan 1999 17:24:29 +0200

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DSM> Your application needs to be fixed, it should sink all read data
DSM> remaining on the socket before closing. If data is unread, TCP does
DSM> not know if this was intentional and assumes that data integrity has
DSM> been lost (because transfered bytes did not make it to the receiving
DSM> application), and thus the RST response to indicate this.

If I understand correctly this approach has a race condition. The
application can't guarantee that there's no data left: it reads all
then some data arrives and then the app closes the socket.

-- Meelis Roos (mroos@tartu.cyber.ee)

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