[Nsi-wg] Another NSI protocol requirement

[Gigi Karmous-Edwards]

All,

As I mentioned on the call last week, I think we need another NSI 
protocol requirement as following:

The provider agent involved in the /initial /NSI request from an NSI 
requesting agent  (in these cases, the requester agent acts as an /end 
user or application/), must take on the responsibility of replying back 
to the end user the result of the request. That is either a failure or 
success with the correct pointers or Global Identifiers. This needs to 
be true regardless of weather the initial provider agent uses chain or 
tree model to reserve a path.

This requirement will have implications on the intermediate messaging 
that take place between the requesting agents and provider agents along 
the path. I can also imagine that the messaging to uphold this 
requirement will be different for tree vs chain.

I hope this makes sense...

Kind regards,
Gigi
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