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Stateful Proposal : Advance DAD (draft-han-mobileip-adad-00.txt) Each AR (may be involved in Fast Handover) maintains a ‘Duplication-free CoA Pool‘. each address in the pool is in advance generated randomly and tested for its uniqueness On getting connectivity on a new link, MN gets a duplication-free address from its current AR Through a new option carried with RS/RA or NS/NA exchanges. [Passive-proxy-ND] For guaranteeing the uniqueness for addresses in the pool ?Never send NA for the address managed in a pool. ?Never reply to any received NS for the address managed in a pool. ?If the NS is for DAD, delete the specified address from the pool. |