![]() In this case, it can be utilized to send a request to NOX to establish or delete a connection from the network operator. In an optical network with an OpenFlow-based control plane, the NMS system is also expected to be introduced. 1, the approaches and procedures proposed in the sub-section are fully dynamic. ![]() Clearly, different from the NMS/EMS-based solution presented in Fig. ![]() Step 4 : OpenFlow switches of OF-PXC1 and OF-PXC2 send TL1 commands to delete the corresponding cross-connections in the PXCs. ![]() Then according to the source and destination IP addresses of this IP packet, the NOX deletes the corresponding flow entries in OF-R1, OF-PXC1 and OF-PXC2. destination) TCP (or UDP) port, the NOX controller determines that this packet is not a first packet of a new flow, but an indication of service completeness of an existing flow. ![]()
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