Zte ZXR10 2918E - Figure 4-39 SMART-LINK

ZXR102900ESeriesCongurationGuide
Figure4-39SMART-LINK
àTheFunctionofMasterNodeonPrimaryRing
OnemasternodeexistsonprimaryringofoneZESRdomain.AsshowninFigure
4-37,suchasmasternodeS1isboththeinitiatorofdetectionofringnetworkstate
andthedecision-makerforoperationaftertopologychangingofprimaryring.
àTheFunctionofTransitNode
Transitnodeisusedtomonitorthestateofdirect-connectZESRlinkandnotify
thelinkchangetomasternode,whowillmakedecisionforprocessing.
àTheFunctionofAssistantNode
Assistantnodeisalsothebordernode,andtransitnodewithonlyoneport
oncorrespondingsegmentlink.Itismainlyusedtomonitorthestateof
direct-connectZESR,notifythelinkchangetomasternodeandmeanwhile
monitorthestateofmasternodeonsegmentlink.
àTheFunctionofMulti-Domain
Multipledomainsaresupportedononesegmentoflink,realizingtrafcsharing.
lZESRT angentRing
ForthereasonthatZESRedge-nodehasheavyburden,ZESRtangentringadopts
thedesignofusingmultictrlvlanstoprotectthesamegroupofprotectedvlans.
4-98
SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandCondential