SummaryAmendment 1 to Recommendation ITU-T G.8013/Y.1731 (2011) provides the following modifications: – The proactive loss measurement messages/loss measurement reply (LMM/LMR). – Updates on performance monitoring (PM) and client signal fail (CSF) related description. – Update of references and abbreviations. – New clause 8.4.2 on dual-ended ETH-SLM. – New clause 9.24 on 1SL PDU. – New clause 10.24 on 1SL (One-way synthetic loss measurement). |