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Title : IPv4 Mobility extension for Multicast and Broadcast Packets
Author(s) : S. Chakrabarti, et al.
Filename : draft-chakrabarti-mip4-mcbc-00.txt
Pages : 20
Date : 2007-7-5
The IP Mobility Protocol [RFC3344] describes the multicast and
broadcast packet transmission between the mobile node and the home-
network or visited network. The Reverse Tunneling for Mobile IP,
Revised [RFC3024] describes reverse tunneling the multicast and
broadcast packets to the home network using encapsulating delivery
style between mobile nodes and the foreign agent. However, [RFC3024]
says that all packets must be encapsulated in the IP-in-IP tunnel
once the encapsulated delivery style is negotiated. This restriction
causes over-the-air tunnel overhead in the wireless medium between
the mobile and the foreign agent. This document provides a generic
solution to ease the restriction of unicast packet to be encapsulated
in encapsulating delivery mode. It also provides alternatives of
direct delivery of multicast/broadcast packets between a foreign
agent and a mobile node in point-to-point link such as Wimax network.
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