< draft-gont-tcpm-tcp-seq-validation-00.txt   draft-gont-tcpm-tcp-seq-validation-01.txt >
TCP Maintenance and Minor Extensions F. Gont TCP Maintenance and Minor Extensions F. Gont
(tcpm) UTN-FRH / SI6 Networks (tcpm) UTN-FRH / SI6 Networks
Internet-Draft D. Borman Internet-Draft D. Borman
Updates: 793 (if approved) Quantum Corporation Updates: 793 (if approved) Quantum Corporation
Intended status: Standards Track February 16, 2013 Intended status: Standards Track September 10, 2013
Expires: August 20, 2013 Expires: March 14, 2014
On the Validation of TCP Sequence Numbers On the Validation of TCP Sequence Numbers
draft-gont-tcpm-tcp-seq-validation-00.txt draft-gont-tcpm-tcp-seq-validation-01.txt
Abstract Abstract
When TCP receives packets that lie outside of the receive window, the When TCP receives packets that lie outside of the receive window, the
corresponding packets are dropped and either an ACK, RST or no corresponding packets are dropped and either an ACK, RST or no
response is generated due to the out-of-window packet, with no response is generated due to the out-of-window packet, with no
further processing of the packet. Most of the time, this works just further processing of the packet. Most of the time, this works just
fine and TCP remains stable, especially when a TCP connection has fine and TCP remains stable, especially when a TCP connection has
unidirectional data flow. However, there are three scenarios in unidirectional data flow. However, there are three scenarios in
which packets that are outside of the receive window should still which packets that are outside of the receive window should still
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