Re: [PWE3] New PWE3 Charter Items: SPVC Interworking

[Peter Willis <pjw at ip-engineering.bt.com>]

Colleagues,

Just to reinforce this message. It is clear that service interworking and even 
PWE3 is clearly outside the scope of the IETF. Clear in that we've already 
seen the pecuilar requests for PWE3 to consider congestion management. 

There are lots of very good engineers attend the PWE3 WG who also attend other 
standards bodies and forums. It seems that the work of these good engineers
 is being constrained by the IETF "constitution". 

I think SPVC Interworking is a specific example of an aspect of PWE3 that would be done better in another standards body or forum.

Peter Willis,
Office of BT Group CTO.



> > I'd like to see us add SPVC interworking to our charter.  
> > 
> > In talking to a fair number of service providers I've gotten 
> > the message
> > that deploying PWE3 is a bit of a non-starter without a reasonable
> > migration plan.  I think we would be foolish to leave this 
> > piece to some
> > other organization or to vendor proprietary means.
> > 
> > ....George
> 
> We have discussed the topic of service interworking extensively within BT, and we agree that it is an important facet of a service providers migration plan towards a converged multi-service core network. Service interworking must consider all aspects of the data-plane, control-plane and NMS/OSS for all the technologies considered (and it is therefore more far-reaching than just S-PVC considerations).
> 
> However, we do not believe the IETF is the appropriate forum for conducting this work.  Our reasons for saying this are that draft-alvestrand-ietf-mission-00.txt states:
> "The mission of the IETF is to produce high quality, relevant technical and engineering documents that influence the way people design, use and manage the Internet in such a way as to make the Internet work better."
> 
> It then defines the scope of the Internet as:
> "protocols and practices for which secure and scalable implementations are expected to have wide deployment and interoperation on the Internet, or to form part of the infrastructure of the Internet."  
> 
> We therefore believe that the general interworking of technologies such as FR, ATM, ethernet, SDH, etc:
> -	is not applicable to the Internet,
> -	will not have wide deployment on the Internet, and
> -	will not form part of the infrastructure of the Internet
> 
> Therefore the topic of service interworking is out of scope of the IETF and thus also out of scope of the PWE3 WG.
> 
> Ben
> 
> -- 
> Ben Niven-Jenkins
> IP Networking Specialist, BT Exact
> 
> e-mail: benjamin.niven-jenkins@bt.com
> tel: +44(0) 1473 648225
> fax: +44(0) 1473 620109
> 
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> 
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