tmf854.v1 > Topology_T LOCATION: file:/xsd/networkResources/MultiLayerSubnetwork.xsd
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tmf854.v1
The Topology_T Simple Type
Topology_T is used to describe the subnetwork configuration. The EMS shall be capable of providing a SubNetwork Connection through any physical termination point of any managed element that belongs to the Subnetwork. The following values are supported: TOPO_SINGLETON, which is used for a single NE (of any type) that is managed independently of its Topological Link connectivity to other NEs. It may for example be a member of a ring that is managed by a number of EMSes. It is acceptable for an EMS to represent all NEs as being in Singleton subnetworks regardless of the actual network configuration. A singleton subnetwork does not contain internal topological links. TOPO_CHAIN, which is used to cover the case where two or more NEs are managed by the same EMS and are connected by Topological Links in a chain. TOPO_PSR, which is used to cover the case where two or more NEs are managed by the same EMS and are connected by Topological Links in a ring that is capable of supporting subnetwork connection protection. TOPO_OPEN_PSR, which is used to cover the case where two or more NEs of a PS ring (but not the entire ring) are managed by the same EMS. TOPO_SPRING, which is used to cover the case where two or more NEs are managed by the same EMS and are connected by Topological Links in a complete ring that supports Shared Line Protection. TOPO_OPEN_SPRING, which is used to cover cases where two or more NEs of an SP ring (but not the entire ring) are managed by one EMS. TOPO_MESH, which is used to cover an arbitrary set of two or more NEs not covered by any other type. Composite subnetworks (i.e. containing other Subnetworks) are not supported in this release of the interface
Simple Type Topology_T
Topology_T is union of (string, string).
• string: There are several restrictions on the value. The schema processor preserves value's whitespace. The value must match "`MINOR_([a-z]|[A-Z]|[0-9]|(_|-))*`".
• string: There are several restrictions on the value. The schema processor preserves value's whitespace. Enumeration values are (TOPO_SINGLETON | TOPO_CHAIN | TOPO_PSR | TOPO_OPEN_PSR | TOPO_SPRING | TOPO_OPEN_SPRING | TOPO_MESH).

Enumeration | Description
TOPO_SINGLETON |
TOPO_CHAIN |
TOPO_PSR |
TOPO_OPEN_PSR |
TOPO_SPRING |
TOPO_OPEN_SPRING |
TOPO_MESH |

XML
-<xsd:simpleType name="Topology_T"> -<xsd:annotation> <xsd:documentation> Topology_T is used to describe the subnetwork configuration. The EMS shall be capable of providing a SubNetwork Connection through any physical termination point of any managed element that belongs to the Subnetwork. The following values are supported: TOPO_SINGLETON, which is used for a single NE (of any type) that is managed independently of its Topological Link connectivity to other NEs. It may for example be a member of a ring that is managed by a number of EMSes. It is acceptable for an EMS to represent all NEs as being in Singleton subnetworks regardless of the actual network configuration. A singleton subnetwork does not contain internal topological links. TOPO_CHAIN, which is used to cover the case where two or more NEs are managed by the same EMS and are connected by Topological Links in a chain. TOPO_PSR, which is used to cover the case where two or more NEs are managed by the same EMS and are connected by Topological Links in a ring that is capable of supporting subnetwork connection protection. TOPO_OPEN_PSR, which is used to cover the case where two or more NEs of a PS ring (but not the entire ring) are managed by the same EMS. TOPO_SPRING, which is used to cover the case where two or more NEs are managed by the same EMS and are connected by Topological Links in a complete ring that supports Shared Line Protection. TOPO_OPEN_SPRING, which is used to cover cases where two or more NEs of an SP ring (but not the entire ring) are managed by one EMS. TOPO_MESH, which is used to cover an arbitrary set of two or more NEs not covered by any other type. Composite subnetworks (i.e. containing other Subnetworks) are not supported in this release of the interface </xsd:documentation> </xsd:annotation> -<xsd:union> -<xsd:simpleType> -<xsd:restriction base="xsd:string"> <xsd:pattern value="MINOR_([a-z]|[A-Z]|[0-9]|(_|-))*" /> </xsd:restriction> </xsd:simpleType> -<xsd:simpleType> -<xsd:restriction base="xsd:string"> <xsd:enumeration value="TOPO_SINGLETON" /> <xsd:enumeration value="TOPO_CHAIN" /> <xsd:enumeration value="TOPO_PSR" /> <xsd:enumeration value="TOPO_OPEN_PSR" /> <xsd:enumeration value="TOPO_SPRING" /> <xsd:enumeration value="TOPO_OPEN_SPRING" /> <xsd:enumeration value="TOPO_MESH" /> </xsd:restriction> </xsd:simpleType> </xsd:union> </xsd:simpleType>

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Uses
Type (1) string

Used-By
Element (1) MultiLayerSubnetwork_T/subnetworkType

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