Re: confusion in mipv6 I-D?

The MN can use its home address in both the source address field and the home 
address option (and the alternate care-of address for that matter) in the same 
packet, for example when it is de-registering with its home agent.  In that 
context the sentence seems correct.

-Brian

ps: mobile ipv6 discussions have moved to the [email protected] mailing list

Frank Quick wrote:
> Thanks.  But in section 10.3.1:
> 
> "To begin processing the Binding Update, the home agent MUST perform the 
> following sequence of tests:
> 
> ...
> 
>   o  A Home Address destination option MUST be present in the message.
> 
> ..."
> 
> 11.7.1 says essentially the same thing on page 131:
> 
> "   o  The packet MUST contain a Home Address destination option, giving
>       the mobile node's home address for the binding."
> 
> 
> This seems to moot some of the text in 11.7.1, page 132:
> 
> "The mobile node MUST use its home address - either in the Home Address 
> destination option or in   the Source Address field of the IPv6 header - 
> in Binding Updates sent to the home agent."
> 
> Seems this sentence should only refer to the destination option for 
> consistency.
> 
> At 05:13 PM 10/2/2003 -0700, Vijay Devarapalli wrote:
> 
>> the only restriction is that the source address on the BU MUST be a
>> topologically correct address (otherwise packet is dropped bu ingress
>> filtering).
>>
>>> I still wonder what happens if both the Alternate Care-of Address and 
>>> the Home Address option are present.  In that case can the Source 
>>> Address field be either of those addresses,
>>
>>
>> typically CoA when in visited link and home address when the MN is
>> on the home link.
>>
>>> or perhaps neither?
>>
>>
>> yes. for example, a MN could have two Care-of addresses, CoA1 and
>> CoA2. in the Binding Update, it could set the source address to CoA1,
>> include CoA2 in alt CoA option and home address in the Home Address
>> option. when the HA processes this Binding Update, the home address is
>> bound to CoA2.
>>
>> Vijay
>>
> 
> 
> Frank Quick
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