RFC 3543 (rfc3543) - Page 1 of 33
Registration Revocation in Mobile IPv4
Alternative Format: Original Text Document
Network Working Group S. Glass
Request for Comments: 3543 Sun Microsystems
Category: Standards Track M. Chandra
Cisco Systems
August 2003
Registration Revocation in Mobile IPv4
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2003). All Rights Reserved.
Abstract
This document defines a Mobile IPv4 Registration Revocation mechanism
whereby a mobility agent involved in providing Mobile IP services to
a mobile node can notify the other mobility agent providing Mobile IP
services to the same mobile node of the termination of this
registration. The mechanism is also usable by a home agent to notify
a co-located mobile node of the termination of its binding as well.
Moreover, the mechanism provides for this notification to be
acknowledged. A signaling mechanism already defined by the Mobile
IPv4 protocol is leveraged as a way to inform a mobile node of the
revocation of its binding.
Table of Contents
1. Introduction and Applicability . . . . . . . . . . . . . . . . 2
2. Terminology. . . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Registration Revocation Extensions and Messages. . . . . . . . 4
3.1. Advertising Registration Revocation Support. . . . . . . 5
3.2. Revocation Support Extension . . . . . . . . . . . . . . 6
3.3. Registration Revocation Message. . . . . . . . . . . . . 8
3.4. Registration Revocation Acknowledgment Message . . . . . 11
3.5. Replay Protection. . . . . . . . . . . . . . . . . . . . 14
4. Registration Revocation Overview . . . . . . . . . . . . . . . 15
4.1. Mobile Node Notification . . . . . . . . . . . . . . . . 15
4.2. Registration Revocation Mechanism - Agent Notification . 17
4.2.1. Negotiating Revocation Support . . . . . . . . . 17
Glass & Chandra Standards Track