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Main LMM requirements and HMIPv6 LMM requirements goals: Reduce signalling as a result of movement Reduce processing of signals in the CN Avoid changes to CN and HA Secure signalling between MN and LMM agent(s) Allow progressive LMM deployment capability Scalable deployment (I.e. linear increase in complexity with increase in number of MNs) LMM MUST NOT introduce new “security holes” LMM MUST NOT interfere with MN ? CN or MN ? HA security LMM MUST ensure topological confidentiality Interoperability with non-LMM-aware nodes LMM MUST NOT increase latency or service disruption due to handovers |