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This draft is a work item of the Multicast Security Working Group of the IETF.
Title : Multicast IP Security Composite Cryptographic Groups
Author(s) : G. Gross, H. Cruickshank
Filename : draft-ietf-msec-ipsec-composite-group-01.txt
Pages : 19
Date : 2007-2-7
The Multicast IP Security extension architecture [Weis] implicitly
assumes a basic group endpoint population that shares homogeneous
cryptographic capabilities and security policies. In practice, large-
scale cryptographic groups may contain a heterogeneous endpoint
population that can not be accommodated by that basic multicast IPsec
architecture. For example, some endpoints may not have been upgraded
to handle the successor algorithm for one that is being retired (e.g.
SHA1 transition to SHA-ng). Group deployments that span multiple
legal jurisdictions may have a different security policy in each
jurisdiction (e.g. key strength). This document defines the
"composite cryptographic group" IP security architecture capability.
A composite cryptographic group allows multicast IPsec applications
to transparently interact with the single logical group that is
formed by the union of one or more basic cryptographic groups.
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