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Figure 35. Complex ATM Network Using ATM 8285
Figure 35 shows an ATM network mixing private and public environments.
Grouping ATM switches into separate clusters limits your network restart time,
limits the number of topology updates sent (as topology information remains
within a cluster), and reduces the resources required on each node to maintain
the network topology. ATM clusters in Figure 35 are interconnected in a bigger
structure called a subnetwork to improve performances. Clusters are
interconnected by parallel NNI connections increasing bandwidth (link
aggregation) and offering redundancy.
6.2.2 Standards Compliances
The following section describes additional planning information about the IBM
8285 in accordance with the ATM standards.
Chapter 6. IBM 8285 Planning and Installing 103