A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Security Protocol Working Group of the IETF.
Title : Internet Key Exchange (IKEv2) Protocol
Author(s) : C. Kaufman
Filename : draft-ietf-ipsec-ikev2-04.txt
Pages : 74
Date : 2003-1-9
This document describes version 2 of the IKE (Internet Key Exchange)
protocol. IKE performs mutual authentication and establishes an IKE
security association that can be used to efficiently establish SAs
for ESP and/or AH. This version greatly simplifies IKE by replacing
the 8 possible phase 1 exchanges with a single exchange based on
either public signature keys or shared secret keys. The single
exchange provides identity hiding, yet works in 2 round trips (all
the identity hiding exchanges in IKE v1 required 3 round trips).
Latency of setup of an IPsec SA is further reduced from IKEv1 by
allowing setup of an SA for ESP and/or AH to be piggybacked on the
initial IKE exchange. It also improves security by allowing the
Responder to be stateless until it can be assured that the Initiator
can receive at the claimed IP source address. This version also
presents the entire protocol in a single self-contained document, in
contrast to IKEv1, in which the protocol was described in ISAKMP (RFC
2408), IKE (RFC 2409), and the DOI (RFC 2407) documents.
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