RFC 3775 bis Julien Laganier, Marcelo Bagnulo MEXT WG chairs IETF-71 Philadelphia, PA, USA March 2008.

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Presentation transcript:

RFC 3775 bis Julien Laganier, Marcelo Bagnulo MEXT WG chairs IETF-71 Philadelphia, PA, USA March 2008

Outline Issue #1 Issue #2 Etc.

#1 Last Accepted SQN Allow HA or CN to tell MN last accepted SQN? New functionality  out-of-scope for 3775bis

#2 Removing DHAAD RFC 5026 Mobile IPv6 Bootstrapping in Split Scenario draft-ietf-mip6-bootstrapping-integrated MIP6-bootstrapping for the Integrated Scenario Remove DHAAD? Change of functionality  out-of-scope for 3775bis Document security considerations? Some ISPs filter ICMPv6 DHAAD is unauthenticated Recommend to use bootstrapping procedures

#3 BRR, BErr sent by HA Currently only CN can send BRR/BErr Allow HA to send BRR/BErr? Change of functionality  out-of-scope for 3775bis

#4 Remove site-local refs RFC3879 Deprecates site-local IPv6 addresses RFC4193 Defines unique-local IPv6 routable addresses s/site-local/unique-local? Not an extension About consistency with other IETF specs  in-of-scope for 3775bis

#6 Returning Home RFC 3775 Not clear whether MN returning home send a de-registration BU SHOULD is used Confusion for PMIPv6 – MIPv6 interactions doc BU with home address set to CoA treated as a de-registration BU Assume BU sent with HoA as source address is sent from the home link DS-MIPv6 BU sent with HoA as source address IPv4 CoA option or outer IPv4 header carries actual CoA Update RFC3775 to make it consistent with DS-MIPv6 behavior?  in-of-scope for 3775bis

#7 MH Checksum Calculation Next Header in pseudo-header set to 2 for checksum calculation Should have been 135 (Mobility Header) This is an interop issue that needs to be fixed Update RFC3775 to fix next header value?  in-of-scope for 3775bis

#8, 9… MISC Minor issues we can discuss here: Can the HA send a Binding Error message with status ‘1’ ever, or is it the CN only? Clarify text in section that describes MN behavior in response to binding ack with status 135 Sending ICMP error to the MN in response to a BU sent from the home link What is the HA response for a malformed or invalid mobility option? ICMP parameter problem error needs to be sent – this is not specified Relax the requirement to use a unicast address as the source address in DHAAD reply -- Anycast address can also be used as the source address Does any of those of makes sense?