Zte ZXR10 2928E-PS

Chapter4ServiceConguration
Figure4-37ZESRMulti-RingMulti-DomainDesignFigure
àBasicOperationPrincipleofNonLevel0SegmentLink
HierarchicalZESRtechnologyisbroughtintothecomplexnetwork.Therunning
ofZESRprotocolonsegmentlinkofonelevelisbasedonthattheupperlevel
primaryringorsegmentlinkisnotdown.
AsshowninFigure4-38,S3~S6composethesegmentlinksoflevel1segment
1,whereS3andS4areassistantnodesandS5isthemasternode.S3andS4
canalwaysintercommunicatewitheachotherviaprimaryring.Ifalllinkswhere
S3,S4,S5andS6locateonsegment1oflevel1areup,masternodeS5will
blockitssecondaryport,andifthestatesofsomelinksareDown,thesecondary
portofthemasternodewillbeenabled.
Figure4-38Nonlevel0SegmentLink
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SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandCondential