Extensions needed for MIPv6 to resolve 4G wireless gaps

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Presentation transcript:

Extensions needed for MIPv6 to resolve 4G wireless gaps [mext] working group Nov, 2010 charliep@wichorus.com © 2009 Wichorus Inc. All rights reserved. © 2009 Wichorus Inc. All rights reserved.

What is missing in Mobile IPv6? Mobile IP plays a minor role in “modern” 3GPP; why? 3GPP has long depended on protocol elements not provided by Mobile IP, especially GTP Other design choices “inferred” by LTE architecture 3GPP unwilling to bring their needs into the IETF? Using Mobile IP “could” have resulted in a much simpler specification for LTE Hypothesis: 4G networking will continue to evolve [mext] should be ready with a good evolutionary path © 2009 Wichorus Inc. All rights reserved.

MIPv6 split Home Agent New extension to Binding Ack Home Agent controller supplies the tunnel-termination address to MN draft-perkins-mext-hatunaddr © 2009 Wichorus Inc. All rights reserved.

GTP tunnel Allow GTP as a tunneling protocol Data plane only; GTP-C specification for MIPv6 not included draft-perkins-mext-gtpdata © 2009 Wichorus Inc. All rights reserved.

MN Identifiers for RFC 4283 Lists some more ID types for RFC 4283 IPv6 Address IMSI P-TMSI EUI-48 address EUI-64 address GUTI draft-perkins-mext-4283mnids No change from …-00.txt © 2009 Wichorus Inc. All rights reserved.

MIPv6 Foreign Agent Extension to Binding Update MN inform HA about alternate tunnel endpoint draft-perkins-mext-fatunaddr Oops, not there yet Would be nice to have extension to Router Advertisement Useful with draft-perkins-mext-gtpdata © 2009 Wichorus Inc. All rights reserved.

MN delegation of authority MN informs home agent that future binding updates will be performed by its proxy agent draft-perkins-mext-authdel Oops, not there yet SHOULD be used in conjunction with draft-perkins-mext-fatunaddr Would then essentially turn FA into MAG Need to reconsider dual-binding decision from [netext] © 2009 Wichorus Inc. All rights reserved.

Architecture (1) Internal HA eNodeB UE S-GW P-GW MME HA-D S-GW/P-GW P-GW GTP MME GTP HA-C pMME S-GW GTP eNodeB UE