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Optical Networking Systems IP Management Solutions by Randy Zhang

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Chapter 6. Large DCC Network Design

From an ONS management perspective, there are essentially two types of traffic flows: one that is among the NEs and one that is between an NE and OSS. Figure 6-1 shows a simplified view of these two types of traffic flows. The first type is completely DCC-based, and the second type is generally a combination of DCC- and LAN-based.

Two types of traffic flows

Figure 6-1. Two types of traffic flows

From an end-to-end performance point of view, the DCC-based network often becomes the bottleneck due to its limited bandwidth relative to a LAN-based network. To make matters worse, growth in the number of NEs further increases the two types of traffic ...

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