Re: [MEXT] Review of draft-ietf-mext-flow-binding-01

[George Tsirtsis <tsirtsis at googlemail.com>]

Yes, this could be appropriate for light UDP traffic e.g., VoIP ....
some health warnings regarding flooding multiple links with traffic
might be in-order.

George

On Tue, Mar 10, 2009 at 9:43 AM, Hesham Soliman
<hesham at elevatemobile.com> wrote:
>
>
>
> On 10/03/09 8:34 PM, "Christian Kaas-Petersen" <kaaspetersen at yahoo.dk>
> wrote:
>
>>
>> I should like to understand the motivation for N-cast.  Which application
>> will have a need, when sending packets to a specific mobile node, for
>> having its packets replicated and sent over N different links
>> to a mobile node?
>
> => This is not an unusual handover smoothing technique. But you can also use
> it for redundancy when multiple links exist.
>
> Hesham
>
>>
>> Christian
>>
>>
>> --- Den man 9/3/09 skrev Giaretta, Gerardo <gerardog at qualcomm.com>:
>>
>>> Fra: Giaretta, Gerardo <gerardog at qualcomm.com>
>>> Emne: [MEXT] Review of draft-ietf-mext-flow-binding-01
>>> Til: "mext at ietf.org" <mext at ietf.org>
>>> Dato: mandag 9. marts 2009 23.37
>>>
>>>
>>> - Section 6.1.1:
>>>
>>>
>>>
>>>    o  If the Action
>>> field is set to
>>> indicate N-cast, the Binding
>>>
>>>
>>> Reference sub-option must
>>> be present and it must contain one or
>>>
>>>       more
>>> BIDs.  If the
>>> Binding Update sub-option includes only one
>>>
>>>       BID,
>>> it must be pointing
>>> to a care-of address other than the one
>>>
>>>
>>> included in the binding
>>> update.
>>>
>>>
>>>
>>> Based on this, the n-cast would be
>>> done between the CoA
>>> in the BID and the CoA in the source address of the packet.
>>> I think it would be
>>> much cleaner to always include all BIDs for which n-casting
>>> is requested. The
>>> source address of the packet is not processed as CoA when a
>>> BID is present
>>> based on the MCoA draft (similarly to what happens in case
>>> the Alt-CoA option
>>> is used). This comment applies also to the fourth bullet of
>>> section 8.1
>>>
>>>
>>>
>>
>>
>>
>>       Find din nye laptop på kelkoo.dk. Se de gode tilbud her -
>> http://dk.yahoo.com/r/pat/mm
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>
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