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Support of IPv6 in the UMTS

Support of IPv6 in the UMTS. Afifi, Bound, Cadzow, Perkins,Toutain. Motivations. IPv6 is better adapted to the GSM than v4 Better header Support of large scale addressing Support of security Support of mobility It is inter-operable with IPv4 (NGTRANS-see our draft). State of the work.

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Support of IPv6 in the UMTS

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  1. Support of IPv6 in the UMTS Afifi, Bound, Cadzow, Perkins,Toutain

  2. Motivations • IPv6 is better adapted to the GSM than v4 • Better header • Support of large scale addressing • Support of security • Support of mobility • It is inter-operable with IPv4 (NGTRANS-see our draft)

  3. State of the work • Presentation of the Addressing infrastructure combined with E.164 names in Mineapolis and Bangkok • Presentation of a framework in the Oslo IETF meeting • Should become a working group item next IETF meeting (when we write a draft) • Discussions held showed that work has to take into account GPRS and UMTS

  4. Our Proposed Model (GSM) first step MS v6 MSC Router BSC Layer 2 Network • The GSM is a layer 2 netwrok • Take advantage of GSM mobility signalling

  5. Impact on GSM layers Registration + Auth. challange Z Y X IPv6 CM’ MM’ RR Transmission

  6. Binding update Addressing/Mobility/Security in IPv6 MSC 2 Prefix2:E.164 Prefix1:E164 New MSC MSC 1 Prefix1:E.164 Old MSC

  7. Data plane • We need to specify how to link an interface in the MSC to an RR-Session in the new MSC

  8. Step 2: Go more deeply in the Infrastructure: alleviate mobile network from IP traffic MSC V6 router BSC 1 MS motion V6 router/mobile IPv6 BSC 2 MS V6 router/mobile IPv6

  9. Step 2: Data Protocols optimization • Take the results from the PILC working Group and implement • IP Header Compression • FEC

  10. What is needed to be done • Propose extensions to CM/MM adaptations to support better IPv6 mobility (for scalability) • In IETF, work on a draft to map MobileIPv6 on top of UMTS (maybe GPRS): DNS, mobile update • In Phase II, propose RR modifications to support MobileIPv6 at the BSC level and a handover scenario

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