Zte ZXR10 2900 Series - Figure 54 Multi-Ring Multi-Domain; Figure 55 ZESR Multi-Ring Multi-Domain Design Figure

ZXR102900SeriesUserManual
FIGURE54MULTI-RINGMULTI-DOMAIN
FIGURE55ZESRMULTI-RINGMULTI-DOMAINDESIGNFIGURE
BasicOperation
PrincipleofNon
Level0Segment
Link
HierarchicalZESRtechnologyisbroughtintothecomplexnetwork.
TherunningofZESRprotocolonsegmentlinkofonelevelisbased
onthattheupperlevelprimaryringorsegmentlinkisnotdown.
AsshowninFigure56,S3~S6composethesegmentlinksoflevel
1segment1,whereS3andS4areassistantnodesandS5isthe
masternode.S3andS4canalwaysintercommunicatewitheach
otherviaprimaryring.IfalllinkswhereS3,S4,S5andS6lo-
cateonsegment1oflevel1areup,masternodeS5willblock
itssecondaryport,andifthestatesofsomelinksareDown,the
secondaryportofthemasternodewillbeenabled.
106CondentialandProprietaryInformationofZTECORPORATION