February 2000
Intermediate to advanced
387 pages
7h 36m
English
Content preview from IP Routing Protocols
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PNNI TOPOLOGY STATE ELEMENTS (PTSEs)
Routing exchange information is advertised in a PNNI system by each node flooding PNNI topology state elements (PTSEs) within a designated part of the overall network (the routing domain), which (one more time) is called a peer group. Figure 9-10 illustrates these concepts. The information includes the node identity, and the status of the node's links to its neighbors.
Figure 9-10. Exchanging Information within a Peer Group (PG)
This information is used to keep a topology database updated at each node in the peer group. In effect, the topology database is a reflection of the information in the PTSEs and ...
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