Re: [rohc] The ROHCv2 profiles draft

Lars-Erik,

Thanks, I will resubmit the draft as a WG draft soon.

There is one precision I would like to make however regarding "deviation" and 
timer-based compression. My opinion is that it is rather the opposite - to have 
a specific feature or function put into RoHCv2 profiles, proponents have to 
motivate it. We have consciously not included timer-based compression in our 
initial submission because we simply could not motivate it. In this respect, I 
believe that there should be a clear motivation in order to add it to the 
RoHCv2 profiles.

In any case, I have tried to summarize both views regarding this in my 
presentation in Montreal, see my slides at:

http://www3.ietf.org/proceedings/06jul/slides/rohc-2/sld41.htm

I suggest we should use this as a basis for further discussions on this topic. 

Currently, we still do not plan to add support for timer-based compression in 
the next submission either, as we believe that the "cons" are still more 
compelling than the "pros". But I welcome any technical comment that would 
succeed convincing me to do otherwise, I am simply very reluctant to add 
complexity without _knowing_ that we _need_ to have it!

/Ghyslain  

Quoting "Lars-Erik Jonsson (LU/EAB)" <lars-erik.jonsson@ericsson.com>:

> >From the ROHC IETF 66 minutes:
> 
> > Ghyslain asked whether this draft can be adopted as WG
> > document.
> 
> 
> >From the comments received at the meeting and on the list,
> I conclude that draft-pelletier-rohc-rohcv2-profiles-00.txt
> is pretty much completely in line with the v2 goals settled
> by draft-ietf-rohc-rfc3095bis-improvements-02.txt. The only
> clear deviation is the removal of support for timer-based
> compression, which should be further discussed (those who
> believe it should be removed have to defend and argue for
> that approach, otherwise it should be reintroduced in the
> v2 draft, according to previous consensus around the
> improvements draft).
> 
> In any case, I will ask the initial contributors to 
> resubmit the draft as a WG draft, which will be titled:
> draft-ietf-rohc-rfc3095bis-rohcv2-profiles-00.txt
> 
> Further development should then continue on the list based
> on this initial WG draft.
> 
> BR
> /L-E
> 
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> 
> 

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