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Optical Network Control: Architecture, Protocols, and Standards by Debanjan Saha, Bala Rajagopalan, Greg Bernstein

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Chapter Eight. Signaling for Protection and Restoration

8.1 INTRODUCTION

8.2 SPAN PROTECTION

8.2.1 Functional Description

8.2.2 Messages

8.2.2.1 Failure Indication Message

8.2.2.2 Switchover Request Message

8.2.2.3 Switchover Response Message

8.2.3 Preventing Unintended Connections

8.2.4 Reversion

8.2.5 Signaling Mechanisms

8.3 END-TO-END DEDICATED MESH PROTECTION

8.3.1 Unidirectional 1 + 1 Protection

8.3.2 Bidirectional 1 + 1 Protection

8.3.2.1 Functional Description

8.3.3 Messages

8.3.3.1 End-to-End Failure Indication Message

8.3.3.2 End-to-End Failure Acknowledge Message

8.3.3.3 End-to-End Switchover Request Message

8.3.3.4 End-to-End Switchover Response Message

8.3.4 Signaling Procedures

8.3.4.1 Provisioning the Protection Path

8.3.4.2 End-to-End Failure Indication ...

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