Hi Geoff,

On 6/13/08 7:25 PM, "Geoff Mulligan" <[EMAIL PROTECTED]> wrote:

> JP,
>   As I said previously, when Carsten, Mark and I reviewed the
> comments/messages on the list it was clear that ND, Architecture, and
> Security were priority items along with dealing with enhancements to
> compression of non link local addresses and that there was clear support
> to take these on within the working group. And now also the Use Cases
> draft.
> 
> I am less certain that there is consensus that fragment recovery is a
> necessary working group item at this point.  So I will ask the WG.
> 
> As to your question about the Arch doc, I'm not sure that I understand
> the question or the timing?  The text for this hasn't changed for
> months.  It seems that there are members of the WG that want to see the
> architectural description that includes both a mesh under solution and a
> route over.  How would you propose that we determine if there is a need
> for both?

My proposal would be to have a discussion on this topic first, trying to
reach a consensus in the WG on whether or not we need to define a mesh-under
solution. Once we have reached a consensus, then move on and start to
incorporate it as part of the architecture ID or another document.

In term of routing requirement ID, I would suggest:
* To move ahead with the 6lowpan specific requirement ID, owned by the
6lowpan WG and reviewed by ROLL,
* hold-off on the mesh-under routing requirements until we have reached a
consensus.

Makes sense ?

Thanks.

JP.

> 
> geoff
> 
> On Fri, 2008-06-13 at 18:01 +0200, JP Vasseur wrote:
>> Hi Geoff,
>> 
>> Thanks for sending out the new revision. One question, one comment.
>> 
>> Question: could you explain the rationale for leaving out the fragmentation
>> recovery item?
>> 
>> Comment:
>> 
>> "3. Produce "6LoWPAN Architecture" to describe the design and
>> implementation of 6LoWPAN networks.  This document will cover the
>> concepts of "Mesh Under" and "Route Over", 802.15.4 design issues such
>> as operation with sleeping nodes, network components (both battery-
>> and line-powered), addressing, and IPv4/IPv6 network connections.
>> As a spin-off from that document, "6LoWPAN Routing Requirements" will
>> describe 6LoWPAN-specific requirements on routing protocols used in
>> 6LoWPANs, addressing both the "route-over" and "mesh-under" approach.
>> Both documents will be informational."
>> 
>> I do not understand the rationale here: I think that we should first
>> determine whether we both need a mesh-under *and* a route-over approach. You
>> know my opinion: we have numerous examples in the past of such approaches
>> that ALL failed for obvious technical reasons but this is my technical
>> opinion. As far as 6lowpan is concerned, shouldn't we first have a
>> discussion to get a consensus there ? *If* it turns out that both are
>> needed, then add an introductory section in the architecture document
>> pointing to the requirement document(s).
>> 
>> Thus I would rather suggest not to list this as a WG item but to leave it
>> out for the moment and continue to have the discussion until we have a
>> consensus. Then at that point we could decide what to do. On the other hand,
>> having a separate documents listing the 6LoWPAN specific routing
>> requirements, owned by the 6lowpan WG and reviewed by ROLL would make a lot
>> of sense.
>> 
>> Thoughts ?
>> 
>> Thanks.
>> 
>> JP.
>> 
>> 
>> 
>> On 6/13/08 3:59 PM, "Geoff Mulligan" <[EMAIL PROTECTED]> wrote:
>> 
>>> With the input from the authors we've put the "Use Cases" back into the
>>> text for the charter for the working group with a delivery date of Dec
>>> 08.
>>> 
>>> Attached is the NEW new charter text.
>>> 
>>> geoff
>>> 
>>> _______________________________________________
>>> 6lowpan mailing list
>>> [email protected]
>>> https://www.ietf.org/mailman/listinfo/6lowpan
> 

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