Chapter Seven. Signaling for Connection Provisioning

7.1 INTRODUCTION

7.2 THE ITU-T G.7713 MODEL

7.2.1 What Is G.7713?

7.2.2 Architectural Aspects

7.2.2.1 Signaling Interfaces and the Control Plane

7.2.2.2 Call and Connection Control

7.2.2.3 Connection Provisioning

7.3 GMPLS SIGNALING

7.3.1 Basic Signaling Model

7.3.2 GMPLS Labels

7.3.2.1 Port or Wavelength Label

7.3.2.2 Waveband Label

7.3.2.3 SONET and SDH Labels

7.3.3 GMPLS Encoding of SONET/SDH Connection Parameters

7.4 RSVP AND RSVP-TE

7.4.1 RSVP

7.4.1.1 Basic Model

7.4.1.2 RSVP Messages and Objects

7.4.1.3 Establishing a Reservation: Path and Resv

7.4.1.4 The Soft State Approach

7.4.1.5 Deleting a Reservation: PathTear and ResvTear

7.4.1.6 Path and Resv Errors, and Reservation Confirmation

7.4.2 RSVP-TE

7.4.2.1 RSVP-TE Objects

7.4.2.2 Establishing an LSP Tunnel

7.4.2.3 RSVP-TE Soft State

7.4.2.4 RSVP-TE Hello Protocol

7.4.2.5 Removing an LSP Tunnel

7.4.2.6 RSVP Refresh Reduction

7.5 GMPLS EXTENSIONS TO RSVP-TE

7.5.1 GMPLS RSVP-TE Objects

7.5.1.1 Generalized Label Request

7.5.1.2 Generalized Label

7.5.1.3 Suggested Label

7.5.1.4 Upstream Label

7.5.1.5 Label Set

7.5.1.6 Acceptable Label Set

7.5.1.7 Protection Information

7.5.1.8 Administrative Status

7.5.1.9 Interface Identification

7.5.1.10 Notification Request

7.5.2 The Notify Message

7.5.3 Connection Establishment under GMPLS RSVP-TE

7.5.4 Connection Deletion under GMPLS RSVP-TE

7.5.5 GMPLS RSVP-TE Restart Procedures

7.5.6 GMPLS RSVP-TE Signaling at the UNI and the NNI

7.6 P-NNI SIGNALING ADAPTATIONS FOR OPTICAL NETWORKS

7.6.1 P-NNI Signaling Communication

7.6.2 The Designated Transit List (DTL)

7.6.3 Connection Establishment and Deletion

7.6.4 P-NNI Adaptations for Signaling in Optical Networks

7.7 SUMMARY