Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 Normative references
3 Abbreviations
4 Definitions and classifications
   4.1 General definitions
   4.2 Ring Definitions
   4.3 Classification of network recovery schemes
   4.4 Protection partitioning and layering
5 Protection interworking objectives
   5.1 Traffic availability
   5.2 Protection independence
   5.3 Fault coverage
   5.4 Interconnecting subnetworks protected at
       different layers
   5.5 Capability to interconnect networks using
       different protection schemes
   5.6 Minimisation of traffic interruption
   5.7 Operation modes
   5.8 Capacity utilisation
6 Subnetwork interconnection architectures
   6.1 Single node interconnecting architecture
   6.2 Dual node interconnecting architectures
   6.3 Application of interworking architectures
       on real network topologies
7 Interworking between similar protection schemes
   7.1 MS SPRING
   7.2 LO/HO trail protection
   7.3 LO/HO subnetwork connection protection
8 Interworking between different protection schemes
   8.1 Dual node interworking between MS-SPRING
       and SNC-P subnetworks
   8.2 Single Node Interworking between MS-SPRING
       and SNC-P
9 Comparison of protection interconnection schemes
10 Network applications
   10.1 Interconnecting ring subnetworks with
        4/3/1 Digital Cross-Connects
   10.2 Stacked ring configuration
   10.3 Interworking of protection between
        networks belonging to different operators
11 Conclusions and recommendations
Annex A
      A.1 Introduction
      A.2 MS-SPRING to SNCP dual node drop and
          continue subnetwork interconnection
      A.3 MS-SPRING to MS-SPRING dual node drop
          and continue subnetwork interconnection
      A.4 SNCP to SNCP dual node drop and continue
          subnetwork interconnection
Annex B (informative): Bibliography
History

Abstract

Describes the interworking scenario of SSH shared multiplex section bidirectional self healing ring (MS-BSHR), dedicated multiplex section undirectional self healing ring (MS-USHR), multiplex section linear protection, and path trail and subnetwork connection (SNC) protection schemes.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TM 3