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RFC 7389
Title: Separation of Control and User
Plane for Proxy Mobile IPv6
Author: R. Wakikawa, R. Pazhyannur,
S. Gundavelli, C. Perkins
Status: Standards Track
Stream: IETF
Date: October 2014
Mailbox: ryuji.wakikawa@gmail.com,
rpazhyan@cisco.com,
sgundave@cisco.com,
charliep@computer.org
Pages: 12
Characters: 26217
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-netext-pmip-cp-up-separation-07.txt
URL: https://www.rfc-editor.org/rfc/rfc7389.txt
This document specifies a method to split the control plane (CP) and
user plane (UP) for a network infrastructure based on Proxy Mobile
IPv6 (PMIPv6). Existing specifications allow a mobile access gateway
(MAG) to separate its control and user plane using the Alternate
Care-of Address mobility option for IPv6 or Alternate IPv4 Care-of
Address option for IPv4. However, the current specification does not
provide any mechanism allowing the local mobility anchor (LMA) to
perform an analogous functional split. To remedy that shortcoming,
this document specifies a mobility option enabling an LMA to provide
an alternate LMA address to be used for the bidirectional user-plane
traffic between the MAG and LMA. With this new option, an LMA will
be able to use an IP address for its user plane that is different
than the IP address used for the control plane.
This document is a product of the Network-Based Mobility Extensions Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: 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 Official
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