1. Signalling and Routing - Summary of Session 7 -
Session coordinator: N. Morita
Associate SC: A. Le Roux

2. Speakers
Overview on Optical Service and Network Architectural Requirements: Mr. M. Goshima, NTT Network Service Systems Labs
Call & Connection control Signalling : the ITU-T SG11 status and perspectives for "New Network control Architectures and Protocols": Mr. A. Le Roux, France Telecom R&D
CR-LDP for ASON Signalling: Mr. S. D. Shew, Nortel Networks
GMPLS RSVP-TE based protocol: Mr. D. Pendarakis, Tellium

3. Target use of signalling in an optical network
1. quick provisioning
2. on-demand service
3. extension to L1 VPN service

4. Specific characteristics for automatic switched transport/optical network
High reliability in terms of traffic volume and provided service nature
separated signalling network
interaction with U-plane and C-plane is another issue.

5. Brief comparison of each protocols
Routing capability
Soft state vs. Hard state
Interaction with management functions

6. Future direction (TBC)
SG15 – G.7713 series
SG11 – BICC and its enhancement
SG13 - L1 VPN service definition and requirements

7. Specific Protocol Recommendations for Distributed Call and Connection Management
G.7713/Y.1704 (12/01)
Distributed call and connection management (DCM)
G PNNI
G GMPLS RSVP-TE
G GMPLS CR-LDP