I-D ACTION:draft-ladha-sctp-nonce-04.txt

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	Title		: ECN Nonces for Stream Control Transmission Protocol (SCTP)
	Author(s)	: S. Ladha, et al.
	Filename	: draft-ladha-sctp-nonce-04.txt
	Pages		: 13
	Date		: 2006-2-22
	
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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