Re: [MEXT] DSMIPv6 deregistration

[Sri Gundavelli <sgundave at cisco.com>]

Hi Hesham,


On Thu, 26 Jun 2008, Hesham Soliman wrote:

> Sri, the draft explicitly states that the HAO is not used in the BU. Please
> check the BU format used.

I was referring to the IPv4 Home Address Option. Its is there in the
BU. Specific question, if the mobile needs to include IPv4 HoA option
for each of the currently assigned IPv4 home addresses or prefixes ?
> From the below text, its not clear if the MN should include IPv4 home
address option for each of the addresses. Also, I'm not sure if the
format for re-registration messages is the same as the initial message,
few lines will help. Or if it is there, if you can point me.


5.4: MN Operation:

   When sending a binding update from a visited network that supports
   IPv6, the mobile node MUST follow the rules specified in [RFC3775].
   In addition, if the mobile node has an IPv4 home address or needs
   one, it MUST include the IPv4 home address option in the mobility
   header.  If the mobile node already has a static IPv4 home address,
   this address MUST be included in the IPv4 home address option.
   Otherwise, if the mobile node needs a dynamic IPv4 address, it MUST
   include the IPv4 0.0.0.0 address in the IPv4 home address option.


Thanks
Sri


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