12.4. FLOW-THROUGH CIRCUIT PROVISIONING IN MULTIPLE OPTICAL NETWORK DOMAIN
In flow-through circuit provisioning in multiple optical network domain configuration, the circuit is required to be provisioned across optical network elements that are managed by different EMS. In this case, the NMS plays a major role in circuit provisioning and maintaining the integrity of the network. Figure 12.3 shows the sequence-flow diagram for a circuit that is required to be provisioned across the optical network elements A and B that are managed by EMS-A and EMS-B, respectively [1].
Figure 12.2. Flow-through circuit provisioning in the same optical network domain.
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