A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Context Transfer, Handoff Candidate Discovery, and Dormant Mode Host Alerting Working Group of the IETF.
Title : Candidate Access Router Discovery
Author(s) : M. Liebsch et al.
Filename : draft-ietf-seamoby-card-protocol-03.txt
Pages : 47
Date : 2003-8-20
To enable seamless IP-layer handover of a mobile node (MN) from one
access router (AR) to another, the MN is required to discover the
identities of candidate ARs (CARs) for handover, along with their
capabilities, prior to the initiation of the IP-layer handover. The
act of discovery of CARs has two aspects to it: Identifying the IP
addresses of the CARs and finding the capabilities of those CARs.
This process is called 'candidate access router discovery' (CARD). At
the time of IP-layer handover, that CAR, whose capabilities is a good
match to the preferences of the MN, may be chosen as the target AR
for handover. The protocol described in this document allows a mobile
node to perform CARD.
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