DMM WG JC. Zuniga
Internet-Draft InterDigital
Intended status: Informational CJ. Bernardos
Expires: June 22, 2013 UC3M
T. Melia
Alcatel-Lucent
C. Perkins
Futurewei
December 19, 2012
Mobility Practices and DMM Gap Analysis
draft-zuniga-dmm-gap-analysis-03
Abstract
This document describes practices for the deployment of existing
mobility protocols in a distributed mobility management (DMM)
environment, and identifies the limitations in the current practices
with respect to providing the expected DMM functionality.
The practices description and gap analysis are performed for IP-based
mobility protocols, dividing them into three main families: IP
client-based, IP network-based, and 3GPP mobility solutions.
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This document is subject to BCP 78 and the IETF Trust's Legal
Zuniga, et al. Expires June 22, 2013 [Page 1]
Internet-Draft DMM Gap Analysis December 2012
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Practices: deployment of existing solutions in a DMM
fashion . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1. Client-based IP mobility . . . . . . . . . . . . . . . . . 4
2.1.1. Mobile IPv6 / NEMO . . . . . . . . . . . . . . . . . . 5
2.1.2. Mobile IPv6 Route Optimization . . . . . . . . . . . . 6
2.1.3. Hierarchical Mobile IPv6 . . . . . . . . . . . . . . . 7
2.1.4. Home Agent switch . . . . . . . . . . . . . . . . . . 8
2.1.5. IP Flow Mobility . . . . . . . . . . . . . . . . . . . 8
2.1.6. Source Address Selection . . . . . . . . . . . . . . . 8
2.2. Network-based IP mobility . . . . . . . . . . . . . . . . 9
2.2.1. Proxy Mobile IPv6 . . . . . . . . . . . . . . . . . . 9
2.2.2. Local Routing . . . . . . . . . . . . . . . . . . . . 10
2.2.3. LMA runtime assignment . . . . . . . . . . . . . . . . 10
2.2.4. Source Address Selection . . . . . . . . . . . . . . . 11
2.2.5. Multihoming in PMIPv6 . . . . . . . . . . . . . . . . 11
2.3. 3GPP mobility . . . . . . . . . . . . . . . . . . . . . . 11
2.3.1. GPRS Tunnelling Protocol (GTP) and DSMIPv6 . . . . . . 12
2.3.2. Local IP Access and Selected IP Traffic Offload
(LIPA-SIPTO) . . . . . . . . . . . . . . . . . . . . . 13
2.3.3. LIPA Mobility and SIPTO at the Local Network
(LIMONET) . . . . . . . . . . . . . . . . . . . . . . 13
2.3.4. Data IDentification in ANDSF (DIDA) and Operator
Policies for IP Interface Selection (OPIIS) . . . . . 13
2.3.5. Multi-Access PDN Connectivity (MAPCON) . . . . . . . . 14
3. Gap Analysis: limitations in current practices . . . . . . . . 14
3.1. Client-based IP mobility . . . . . . . . . . . . . . . . . 14
3.1.1. REQ1: Distributed deployment . . . . . . . . . . . . . 14
3.1.2. REQ2: Transparency to Upper Layers when needed . . . . 15
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