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MIP6: Food for thought

MIP6: Food for thought. B. Patil Mobopts @ IETF68 March 22, 07. Background. Mobile IPv6 (RFC 3775) published in June 04 Not exactly NKOB anymore Some amount of experience with implementing the protocol has been gained Deployment experiences would benefit. Route Optimization.

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MIP6: Food for thought

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  1. MIP6: Food for thought B. Patil Mobopts @ IETF68 March 22, 07

  2. Background • Mobile IPv6 (RFC 3775) published in June 04 • Not exactly NKOB anymore • Some amount of experience with implementing the protocol has been gained • Deployment experiences would benefit

  3. Route Optimization • MIP6 RO is one of the more salient features • When does RO get triggered? • Type of traffic? • Duration of session? • Other criteria? • Guidelines for when to trigger RO and mechanisms for such would be useful and help deployments

  4. Signaling Compression • The MIP6 signaling messages with various extensions are starting to get bulky • E2E compression, i.e between MN and HA would possibly alleviate this issue • Analysis of compression schemes and applicability in various scenarios is worth studying to improve MIP6 efficiency

  5. Multicast • Multicast in the Mobile IPv6 context has not been completely addressed • Acknowledged shortcoming in the base specification (RFC3775) • Mcast analysis and operation in MIP6 networks with/without RO is very much needed

  6. Handover enhancements • With multi-interface devices/hosts becoming more prevalent, the need for seamless handovers at L3 is even more relevant • Solutions that abstract L2 triggers and enable MIP6 handovers between access types needs to progress faster • Simulations and implementation results needed • Ongoing work based on 802.21 is a good start • Need to expand this to cover generic access types

  7. Host and network based mobility • Co-existence of host and network based mobility approaches in networks would help • Transitive trust and authorization models when the host is not involved need to be better understood • Scenarios and issues related to mobility between networks that manage host mobility vs the host managing its own mobility needed • Impacts to applications/IP sessions in transitioning between mobility types

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