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Local Prefix Lifetime Management for Proxy Mobile IPv6

Local Prefix Lifetime Management for Proxy Mobile IPv6. draft- korhonen-dmm-local- prefix Jouni Korhonen , Teemu Savolainen. Comparisons. Specific to this proposal. Common to others. Builds on top of “vanilla” RFC5213 PMIPv6.

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Local Prefix Lifetime Management for Proxy Mobile IPv6

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  1. Local Prefix Lifetime Management for Proxy Mobile IPv6 draft-korhonen-dmm-local-prefix JouniKorhonen, TeemuSavolainen

  2. Comparisons Specific to this proposal Common to others Builds on top of “vanilla” RFC5213 PMIPv6. Emphasizes the use of local prefixes/addresses (that are topologically not anchored to LMA). Recommends (as an option) temporary tunneling between MAGs. (note.. to reduce the state and amount of tunneling, the justification for temporary MAG-MAG tunneling should be carefully evaluated) • Minimal changes to RFC5213: • No new “roles” or functional entities. Also does not increase amount of signaling messages. • No assumptions on mobile nodes. • The I-D concentrates basically only topologically incorrect prefix/address deprecation and the associated context transfer via LMA. • Does not provide means for reallocation of the mobility anchor (i.e. LMA). • Does not even try to provide mobility for local prefixes/addresses. • Covers both DHCP and SLAAC cases of PMIPv6 address management.

  3. Example Use Case:Offloading and Local Resources • Local prefix (LOC::/64) topologically under MAG’s control. • Traffic using local prefix bypasses LMA i.e. MAG does not tunnel it to the LMA. • The LMA anchored prefix (HNP::/64) has macro mobility. • Prefix properties (‘C’ flags) inform the end host about the anchoring properties of the prefix. • IP stack and programming APIs make use of prefix coloring: • Local prefix is preferred over LMA anchored prefix. • Prefix with no properties still preferred over LMA anchored prefix.

  4. Local Prefix/Address Deprecation SLAAC DHCPv6

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