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Title : ECN Nonces for Stream Control Transmission Protocol (SCTP)
Author(s) : S. Ladha, et al.
Filename : draft-ladha-sctp-nonce-06.txt
Pages : 13
Date : 2007-1-12
This document describes the addition of the ECN-nonce RFC 3540 [4] to
the Stream Control Transmission Protocol (SCTP) RFC 2960 [3]. The
ECN-nonce reduces the vulnerability of ECN senders to misbehaving
receivers that conceal congestion signals like ECN marks and packet
losses. The ECN-nonce approach is different in SCTP because SCTP
uses chunks for extensible protocol features and is selective
acknowlegement (SACK)-based; this document describes those
differences. In particular this document describes (1) protocol
extensions in the form of a single new parameter for the INIT/
INIT-ACK chunks, and a single bit flag in the SACK chunk, and (2)
rules governing the sender and receiver side implementation.
This document outlines a minimum response that an SCTP sender should
apply after detecting a misbehaving receiver.
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