Questions about CUPI

Version 1
    This document was generated from CDN thread

    Created by: Shadan Saniepour Esfahani on 04-11-2010 02:40:40 PM
    Greetings experts
    I have 2 questions on CUPI:
    1- I know CUPI uses HTTP to access CUC but what is the service on the CUC that responses to CUPI requests?
    2- Do we have any official document that updates for every version of CUPI. I am only using this link:
    But on this link we cannot see what are the items supported for each release.
    Thanks and best regards