IETF67 B. Patil, Gopal D., S. Gundavelli, K. Chowdhury

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IETF67 B. Patil, Gopal D., S. Gundavelli, K. Chowdhury Proxy MIP6 IETF67 B. Patil, Gopal D., S. Gundavelli, K. Chowdhury

Why Proxy operation of MIP6? SDOs like 3GPP2/WMF have shown interest They are currently incorporating MIP6 in their specs Operators planning on deploying MIP6 have a strong need for proxy operation Proxy operation is an incremental feature addition that reuses the investment in the MIP6 infra Suport for hosts that do not have MIP6 client

Scope of PMIP6 Extension to MIP6 specification (RFC 3775) enabling proxy operation for IPv6 hosts i.e host is not involved in the mobility management Reuse MIP6 signaling and, the Home agent function Minimal changes to support the security model that the proxy operation necessiates

What PMIP6 is not A mobility solution for micro mobility i.e mobility in an access network Intended to solve the problem of localized mobility management A solution for mobility across administrative domains

Present status Two Proxy MIP6 proposals exist draft-sgundave-mip-pmipv6-00 draft-chowdhury-netmip6-01 Interest in Proxy MIP6 as a network based mobility solution has been expressed by other SDOs (although not in any formal manner to the IETF) Discussion on the ML in MIP6 and NETLMM arguing for standardizing PMIP6

draft-sgundave-mip-pmipv6-00.txt Summary: Provides Network based mobility management support for IPv6 hosts. Leverages Mobile IPv6 Home Agent Infrastructure and the protocol messaging Minimal changes to the Mobile IPv6 Home Agent - Supports PER-MN-PREFIX and PER-MN-ADDRESS models. - Supports Stateless and Statefull address configuration modes Next Revision: MN flow identification in the tunnel Update the document based with any missing details

draft-chowdhury-netmip6-01.txt Defines IP session setup procedures with PMIP6 Supports both IPv6 and IPv4 addressing Reuses MIP6 base protocol (RFC 3775) for mobility management No new MH, MO required Addresses Inter Access Router (AR) handoffs Inter AR signaling with ICMPv6 extensions Includes HMIP6 consideration Proxy HMIP6 within the MAP footprint

Question to WG Given the limited scope of Proxy operation of MIP6 (as discussed) Should the IETF standardize a PMIP6 solution? Next steps: ???

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