Table of Contents
1Scope
2References
3Definitions
4Abbreviations
5Conventions
6Individualandgroupprotectionconcept
7Architecturetypes
8Switchingtypes
9Operationtypes
10Protocoltypes
11Protectionclassesandsubclasses
12Survivabilityofinversemultiplexedlinkconnections(SIM)
13Protectionswitchingperformance
14Hold-offtimer
15Wait-to-restoretimer
16Automaticprotectionswitching(APS)signal
17Non-pre-emptibleunprotectedtraffic(NUT)
18Extratraffic(protection)transportentityoverhead/OAM
19Externalcommands
20Protectionswitchingprocessstates
21Priority
22SFandSDtriggerconditions
23Workingandprotectionallocation
24APSprotocol
AppendixI-Implementationofhold-offtimer
AppendixII-Automaticconditions(SF,SD)ingroupSNC
protection
AppendixIII-Implementationobservations
AppendixIV-Anexampleof(1:1)[n]protection
AppendixV-Examplesofsurvivabilityofinversemultiplexed
trails
AppendixVI-SolutionforSDtriggeredprotectioninPTN Abstract
Describes the generic functional models, characteristics and processes associated with various linear protection schemes for circuit-switched connection-oriented layer networks; e.g., optical transport networks (OTN), synchronous digital hierarchy (SDH) networks and packet-switched layer networks, e.g., asynchronous transfer mode (ATM) networks and Ethernet transport networks.
