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

[Ping Pan <pingpan at cs.columbia.edu>]

Scott W Brim wrote:

> My personal opinion: I think interworking had better be in scope or the
> IETF will leaving it out rather soon.  Issues in interworking of FR,
> ATM, etc. are not IETF issues ... except where they imply requirements
> for IETF technology, including pseudowires.  
This is the key. When customers hooking up Ethernet, ATM, SONET/SDH and 
Frame Relay interfaces into PE's, they use pseudowires to transport data 
over the backbone. To interwork among different interfaces, the idea is 
simply of having targeted LDP to carry proper information between PE's 
at PW setup and modification time.

My personal view is to consider interworking as a "multi-protocol" 
extension to PWE3. There is no point of arguing what IETF should or 
should not do, because IETF also has a long history of evolving itself 
to support all sorts of data.

> That includes this case.  I
> would not want the IETF to decide how to translate service parameters
> between pseudowire client technologies (and it hasn't), 
Agree.

> but
> establishment and management of pseudowires goes far beyond that.
> Finally, because of the IETF's long history with Ethernet, it should
> continue to be involved there as well.
- Ping




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