Re: [6lowpan] Call for working group adoption (Re: making progress on fragmentation)

I've had a couple of off-line discussions; now seems like a good time  
to ask the WG: does anyone have empirical evidence about the impact of  
fragment loss in 802.15.4 networks that would motivate the need for  
reliable fragment delivery?

- Ralph

On Aug 18, 2009, at 9:26 AM 8/18/09, Carsten Bormann wrote:

> Richard,
>
> thank you for seconding Pascal's draft.
>
> We have had multiple discussions of the fragment recovery drafts in  
> IETF meetings.
> Each time, we found some aspect some of us didn't like, and then  
> Pascal submitted an updated version solving that problem.
> The only thing that got considerable push-back this time was that  
> the draft shouldn't try to deprecate 4944's fragment headers.
> I think this is a statement that could easily be taken out in a  
> working group draft submission.
> (Of course, any other technical wrinkles can be ironed out during  
> the period the document is a WG draft.)
>
> So I would like to take the opportunity to ask here on the mailing  
> list whether we should adopt
> http://tools.ietf.org/html/draft-thubert-6lowpan-simple-fragment-recovery-06
> (with the abovementioned change) as a working group document.
>
> -->
>  If you want to advance this draft, please indicate your support on  
> the mailing list.
>  If you think this is a bad idea, please say so, too.
>  (I would like to receive responses by this Friday, Aug 21, as I'm  
> going on vacation after that.)
>
> Note that we also have to hear from our AD on this item, as it is  
> not formally on our charter.
> A year ago, Mark Townsley gave us some form of go ahead when we  
> discussed whether we should be delaying the charter for adding this  
> as a work item.
> He said that waiting wasn't necessary, and we were free to start work.
> http://www.mail-archive.com/6lowpan@ietf.org/msg01114.html
> Still, we would need to add a line item under the deliverables, and  
> our new AD would have to concur -- which is probably easiest after  
> the yays and nays.
>
> Gruesse, Carsten
>
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