RE: GMPLS Sonet extensions

[Wenjing Chu <WChu@turinnetworks.com>]

> 
> With the signaling protocol things are really separated by 
> who is involved
> in the signaling transaction.  In the routing case things are 
> less clear,
> i.e., who wants/needs to know information about other layers 
> and what burden
> does this present to the NEs and scalability.  Which layers 
> can benefit by
> integration...  I'll be updating the Optical inter-domain 
> route requirements
> draft soon (with others) and will be exploring some of these 
> items in more
> depth.
> 

Very much to the point. Routing integration is the interesting part. Whether
and how much to integrate different layers become critical in maintaining
scalability and bringing about the benefit of layer integration. Flexibility
is needed in various trade-off points between "overlay" and "peer".

Wenjing
Turin Networks