TRECG.8032201508I!!PDFE.pdf
Ethernetringprotectionswitching-ThisRecommendationdefinestheautomaticprotectionswitching(APS)protocolandprotectionswitchingmechanismsforEthernetlayernetwork(ETH)ringtopologies.TheprotectionprotocoldefinedinthisRecommendationenablesprotectedpoint-to-point,point-to-multipointandmultipoint-to-multip
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