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I-D ACTION:draft-ietf-nfsv4-ccm-02.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Network File System Version 4 Working Group of the IETF.

	Title		: The Channel Conjunction Mechanism (CCM) for GSS
	Author(s)	: M. Eisler, N. Williams
	Filename	: draft-ietf-nfsv4-ccm-02.txt
	Pages		: 30
	Date		: 2003-10-22
	
This document describes a suite of new mechanisms under the GSS
[RFC2743].  Some protocols, such as RPCSEC_GSS [RFC2203], use GSS to
authenticate every message transfer, thereby incurring significant
overhead due to the costs of cryptographic computation.  While
hardware-based cryptographic accelerators can mitigate such overhead,
it is more likely that acceleration will be available for lower layer
protocols, such as IPsec [RFC2401] than for upper layer protocols
like RPCSEC_GSS.  CCM can be used as a way to allow GSS mechanism-
independent upper layer protocols to leverage the data stream
protections of lower layer protocols, without the inconvenience of
modifying the upper layer protocol to do so.

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