HP Brocade 8/12c Brocade Network Advisor SMI Agent Developer's Guide - Page 49

Topology view, Objectives, Performance considerations, Registration

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Fabric profile 3 Topology view The Topology View class was introduced in SMI-S 1.3 to increase the performance and reduce the number of traversals required to discover topology. The Network Advisor SMI Agent cannot provide a complete topology and its related information including instances of classes like Brocade_TopologyView, Brocade_SanActiveConnection if one of the switches involved goes unreachable or unmanageable. Objectives The objective is to deliver a class that can be enumerated, gives better performance than enumerating Brocade_SANActiveConnection(CIM_ActiveConnection), and traverse to each endpoint to gather data about the link between switch ports or between N_Ports and switchports. Performance considerations Performance should be significantly better than the combined performance of enumeration of Brocade_SANActiveConnection (CIM_ActiveConnection) and traversals to endpoint instances through CIMClient.associators call. Registration Figure 17 shows the registration model of Topology view. FIGURE 17 Topology view registration model Brocade Network Advisor SMI Agent Developer's Guide 37 53-1002169-01

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Brocade Network Advisor SMI Agent Developer’s Guide
37
53-1002169-01
Fabric profile
3
Topology view
The Topology View class was introduced in SMI-S 1.3 to increase the performance and reduce the
number of traversals required to discover topology.
The Network Advisor SMI Agent cannot provide a complete topology and its related information
including instances of classes like Brocade_TopologyView, Brocade_SanActiveConnection if one of
the switches involved goes unreachable or unmanageable.
Objectives
The objective is to deliver a class that can be enumerated, gives better performance than
enumerating Brocade_SANActiveConnection(CIM_ActiveConnection), and traverse to each
endpoint to gather data about the link between switch ports or between N_Ports and switchports.
Performance considerations
Performance should be significantly better than the combined performance of enumeration of
Brocade_SANActiveConnection (CIM_ActiveConnection) and traversals to endpoint instances
through CIMClient.associators call.
Registration
Figure 17
shows the registration model of Topology view.
FIGURE 17
Topology view registration model