Summary

This Recommendation specifies the requirements and architecture for the routing functions used for the establishment of switched connections (SC) and soft permanent connections (SPC) within the framework of the Automatically Switched Optical Network (ASON). The main areas covered in this Recommendation include the ASON routing architecture, functional components including path selection, routing attributes, abstract messages and state diagrams.

This Recommendation forms a part of the suite of Recommendations covering the full functionality of the automatic switched transport network (ASTN) and the automatic switched optical network (ASON).