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MIP6: optional features?
Inbound trigger, or “inbound acquire”
- MN wants to know non-RO traffic to start (or judge to start) RR (Return Routability; a key exchange mechanism before RO)
- Currently, xfrm acquire is used for this by adding a last-resort policy, however we have limitation to start it only when MN _sends_ any packet because xfrm acquire is designed for IPsec thus it is applied only for outbound traffic.
New route flag as RTPROTO_MIP for mipv6 daemon (like zebra)