<COMMUNITY:tem, ROLE:topologicalLink>
DEFINITION
“A topologicalLink information object repre-
sents ‘a link provided by one and only one
server trail, in a client layer’ (G.852.2 defi-
nition).
This topologicalLink information object type
is a subtype of the networkInformationTop
information object type.”
ATTRIBUTE
signalIdentification
“The signalIdentification describes the
signal that is transferred across the link.”
linkDirectionality“The linkDirectionality attribute charac-
terizes the ability of the associated
resource to carry traffic in one, two, or
undefined direction.“
INVARIANT
inv_directionality
“The linkDirectionality attribute value
cannot be set to undefined.”
POTENTIAL_RELATIONSHIPS
<topologicalLinkIsSupportedByTrail>
<compoundLinkHasLinks>
<linkBinds>
<linkHasLinkConnections>
<linkIsTerminatedByLinkEnds>
<snIsPartitionedByLinks>Figure 9 Information
Viewpoint – concepts
iptomLinkBindsiptomServer
Trailtrail
roleLND
roleSN
roleTL
roleCPG
roleG.853.1 trail
recourceId
signalId
directionalityG.853.1 LND
recourceId
signalIdG.853.1 SN
recourceId
signalIdG.853.1 TL
recourceId
signalId
linkDirEnterprise Information
Viewpoint mappingInheritance and
CompositioniptomSLND IptomLND iptomSN
userLabel
overlapPartitIptomTL
userLabeliptomCTPG
recourceId
signalId
topEndDiriptomLndCan
ServeLNDsserver
1...1client
1...*iptomSnIsBoundedByboundedSN
1...1boundingCTPG
0...*SLND: ServerLND CTPG: ConnectionTer
minationPointGroupRelationshipstopologicalLinkIsSupported
ByTrailserverTrail
1...1clientTL
1...*layerNetworkDo
mainIsMadeOfelement
0...*containerLND
1...1transfer
CapLink
1...1aEndAnd_zEnd
Topol
1...1iptomLndCan
ServeLNDscontainerLND
1...1element
0...*
Note1NOTE1:The iptomSN and iptomCTPG information objects are taking the “element”
role in layerNetworkDomainIsMadeOf relationships not shown in the figure.