< draft-hui-netext-multihoming-00.txt   draft-hui-netext-multihoming-01.txt >
Internet Area M.Hui Internet Area M.Hui
Internet Draft H.Deng Internet Draft H.Deng
Intended status: Informational China Mobile Intended status: Informational China Mobile
Expires: April 19, 2010 October 19, 2009 Expires: September, 2010 March 08, 2010
PMIPv6 Multihoming Extension and Synchronization in LMA and MAG PMIPv6 Multihoming Extension and Synchronization in LMA and MAG
draft-hui-netext-multihoming-00.txt draft-hui-netext-multihoming-01.txt
Status of this Memo Status of this Memo
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Abstract Abstract
Proxy Mobile IPv6 is standardized to provide network-based mobility Proxy Mobile IPv6 is standardized to provide network-based mobility
management for a regular IPv6 mobile node. This document introduces management for a regular IPv6 mobile node, the Binding Cache Entry is
an extension to Proxy Mobile IPv6 for multihoming MN. Through built based on the HNP. If the MN is a multiple interfaces MN, these
extending the binding relationship between HNP and MAG in BCE, and interfaces will get the different HNPs from the LMA and several BCEs
synchronizing this information between LMA and MAGs, LMA can deliver are built for one MN. This will cause the invalidation of multihoming.
data having the same HNP through multiple MAGs. Thus the MN attaching This document introduces an extension to Proxy Mobile IPv6 for
in a PMIPv6 domain can receive data packets with the same destination multihoming MN. Through extending the binding relationship between
through its multiple network interfaces attaching to different MAGs HNP and MAG in BCE, and synchronizing this information between LMA
simultaneously. and MAGs, LMA can deliver data through multiple MAGs. Thus the MN
attaching in a PMIPv6 domain can receive data packets with the same
destination through its multiple network interfaces attaching to
different MAGs simultaneously.
Table of Contents Table of Contents
1. Problem Statement ........................................... 4 1. Problem Statement ........................................... 4
2. Scenario of the multihoming extension ........................6 2. Scenario of the multihoming extension ........................ 6
3. Protocol Operation .......................................... 7 3. Protocol Operation .......................................... 7
4. PMIPv6 Multihoming Extension................................. 9 4. PMIPv6 Multihoming Extension ................................. 9
4.1. Binding Cache and Binding Update list Extension..........9 4.1. Binding Cache and Binding Update list Extension .......... 9
4.2. Data Forwarding Operation.............................. 10 4.2. Data Forwarding Operation .............................. 10
5. Security Considerations..................................... 12 5. Security Considerations ..................................... 12
6. IANA Considerations ........................................ 12 6. IANA Considerations ........................................ 12
7. References ................................................. 12 7. References ................................................. 12
7.1. Normative References................................... 12 7.1. Normative References ................................... 12
7.2. Informative References................................. 12 7.2. Informative References ................................. 12
Author's Addresses ............................................ 13 Author's Addresses ............................................ 13
1. Problem Statement 1. Problem Statement
Proxy Mobile IPv6 enables network-based mobility for a regular IPv6 Proxy Mobile IPv6 enables network-based mobility for a regular IPv6
MN without requiring its participation in any mobility-related MN without requiring its participation in any mobility-related
signaling [1]. If the MN has multiple interfaces, it is hoped that signaling [1]. If the MN has multiple interfaces, it is hoped that
these interface can work coordinately, so that a proper interface can these interface can work coordinately, so that a proper interface can
be chosen to deliver the data. be chosen to deliver the data.
In PMIP domain, the LMA is responsible for assigning the MN's home In PMIP domain, the LMA is responsible for assigning the MN's home
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