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Luis M. Contreras Telefónica I+D Carlos J. Bernardos Universidad Carlos III de Madrid (UC3M)

Rapid acquisition of the MN multicast subscription after handover < draft-contreras-multimob-rams-03.txt>. Luis M. Contreras Telefónica I+D Carlos J. Bernardos Universidad Carlos III de Madrid (UC3M) Ignacio Soto Universidad Politécnica de Madrid (UPM)

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Luis M. Contreras Telefónica I+D Carlos J. Bernardos Universidad Carlos III de Madrid (UC3M)

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  1. Rapid acquisition of the MN multicastsubscriptionafterhandover<draft-contreras-multimob-rams-03.txt> Luis M. Contreras Telefónica I+D Carlos J. Bernardos Universidad Carlos III de Madrid (UC3M) Ignacio Soto Universidad Politécnica de Madrid (UPM) Taipei, MULTIMOB WG, November 2011 1

  2. Proposal Status Initial draft version submitted for 78th IETF meeting in Maastricht Proposal included in re-chartering discussion during 78th IETF Draft presented in Beijing (79th) and Quebec (81st) IETF meetings Updated version submitted for 82nd IETF: draft-contreras-multimob-rams-03.txt New textaddressesthepotentialbenefits of theco-existence of layer-2 triggersforfasthandoverableto forward traffictothe new MNspoint of attachment 82nd IETF, Taipei 2

  3. Draft motivation and advantages The draft covers the MULTIMOB charter goal of optimizing multicast traffic during a handover It is a generic process, nor dependent on layer-2 trigger capacities of the radio technology in use Despite it could be beneficial if traffic forwarding is implemented It keeps simple the management, control and data plane functions at the MAG Traffic forwarding through layer-2 triggers can be handle as optinial, while tha goal of optimizing the handover is kept It is based on the transfer of information through homogeneus high-bandwidth links among carrier-class devices It is based on the information provided by the pMAG which definitely ensures the correctness about the subscription information When using fast HO for PMIPv6 (RFC5949) the UL path is moved to the new access network after DL does. In this condition, an MLD Report from MN sent in the meantime will be attended by pMAG, while the nMAG will ignore it, causing service disruption 82nd IETF, Taipei 3

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