Re: [MEXT] New Text for home link detection in RFC3775bis

Hi Fan,
   Sounds like a good idea.

Cheers
Suresh

fan zhao wrote:
> Hi Suresh,
> 
> I have a quick comment:
> the Home Link Detection is not only performed during handover,
> but also during initial attach. The new text is proposed into section
> 11.5.4.  "Returning Home", which seems to me that the new text
> only applies to the handover case.
> 
> Therefore, my oponion is to have a new (sub)section called "Home Link
> Detection" somewhere, and refer to this new section in section 11.5.4.
> What do you think?
> 
> Sincerely,
> fan
> 
> On Wed, Jul 2, 2008 at 7:21 AM, Suresh Krishnan
> <suresh.krishnan@ericsson.com> wrote:
>> The WG had consensus to fold in text from draft-krishnan-mext-hld into
>> RFC3775bis. Here is the proposed text for doing so. Feel free to edit.
>>
>>
>>
>> This change is made in Section 11.5.4
>>
>> OLD TEXT
>> ========
>>   A mobile node detects that it has returned to its home link through
>>   the movement detection algorithm in use (Section 11.5.1), when the
>>   mobile node detects that its home subnet prefix is again on-link.
>>
>> NEW TEXT
>> ========
>>   When an MN detects that it has arrived on a new link using the
>>   movement detection algorithm in use (Section 11.5.1) it performs the
>>   following steps to determine if it is on the home link.
>>
>>   o  The MN performs the procedure described in Section 11.5.2 and
>>      configures an address referred to as the Current MN Address (CMA).
>>      It also stores all the on-link prefix(es) received in the RA along
>>      with their prefix lengths in a conceptual list called the Current
>>      Link Prefix List (CLPL).
>>
>>   o  If the home prefix has been statically pre-configured on the MN
>>      it checks if the home prefix matches one of the prefixes in the
>>      CLPL. If it does, the MN concludes that it has returned home.
>>
>>   o  If the home prefix has not been statically configured the MN uses
>>      some form of bootstrapping procedure (e.g. RFC5026) to determine
>>      the home prefix. It then checks if the home prefix matches one of
>>      the prefixes in the CLPL. If it does, the MN concludes that it has
>>      returned home.
>>
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