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Distributed Mobility Anchoring draft-ietf-dmm-distributed-mobility-anchoring-11

This draft provides an overview of distributed mobility anchoring, aiming to reduce complexity in IP mobility handling. It discusses different configurations for network-based and client-based distributed mobility, along with cases of nomadic movement, traffic redirection, and anchor relocation. The document is stable and has undergone detailed reviews, making it ready for WGLC.

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Distributed Mobility Anchoring draft-ietf-dmm-distributed-mobility-anchoring-11

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  1. H. Chan (Ed.), X. Xei, J. Lee, S. Jeon and CJ. Bernardos (Ed.) Bangkok, DMM WG, 2018-11-09 Distributed Mobility Anchoringdraft-ietf-dmm-distributed-mobility-anchoring-11 Distributed mobility anchoring

  2. Outline • Status • Overview • Next Steps Distributed mobility anchoring 2

  3. History & Status • First significant update for London • -07 had 46 pages, -08 had 15, -11 has 17 pages • Aimed at reducing complexity • Terminology and drawings simplified • 1 revision since Montreal • Addressing Lyle’s detailed review • The draft is available on github • https://github.com/cjbc/draft-ietf-dmm-distributed-mobility-anchoring Distributed mobility anchoring 3

  4. Overview (-11, current) 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 2. Conventions and Terminology . . . . . . . . . . . . . . . . . 4 3. Distributed Mobility Anchoring . . . . . . . . . . . . . . . 5 3.1. Configurations for Different Networks . . . . . . . . . . 5 3.1.1. Network-based DMM . . . . . . . . . . . . . . . . . . 5 3.1.2. Client-based DMM . . . . . . . . . . . . . . . . . . 6 4. IP Mobility Handling in Distributed Anchoring Environments - Mobility Support Only When Needed . . . . . . . . . . . . . . 7 4.1. Nomadic case (no need of IP mobility): Changing to new IP prefix/address . . . . . . . . . . . . . . . . . . . . . 8 4.2. Mobility case, traffic redirection . . . . . . . . . . . 10 4.3. Mobility case, anchor relocation . . . . . . . . . . . . 12 5. Security Considerations . . . . . . . . . . . . . . . . . . . 13 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 14 7. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 14 8. References . . . . . . . . . . . . . . . . . . . . . . . . . 14 8.1. Normative References . . . . . . . . . . . . . . . . . . 14 8.2. Informative References . . . . . . . . . . . . . . . . . 16 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 16 4

  5. Overview • Three cases considered: • Nomadic case: no address continuity is required. The IP address used by the MN changes after movement. • Mobility case, traffic redirection: address continuity is required. Previous anchor still anchors traffic using the old IP address. • Mobility case, anchor relocation: address continuity is required. Anchor is changed. Distributed mobility anchoring 5

  6. Next steps • The document is stable and has gone though several detailed reviews (including Marco’s and Lyle’s) • Authors believe document is ready for WGLC Distributed mobility anchoring 6

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