Virtual cluster router system and flow sharing method thereof, controller and sub routers
A system controller and virtual cluster technology, applied in the field of communication, can solve problems such as difficulty in obtaining end-to-end traffic, inability to adapt to traffic changes, and great impact on the forwarding mechanism of the IP network, so as to avoid shocks and facilitate traffic sharing.
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Embodiment 1
[0038] like figure 2 The flow diagram of the flow sharing method of the virtual cluster router system is shown. The embodiment of the present invention provides a traffic sharing method of the virtual cluster router system. The method is based on IP overWDM optical Internet. The virtual cluster router system includes multiple sub-routers and virtual A cluster router system controller, the method comprising:
[0039] 21. The controller of the virtual cluster router system sends the global forwarding table of the virtual cluster router system to the sub-routers, and the global forwarding table includes the destination address prefix of the data to be forwarded and the corresponding egress sub-router ID of the virtual cluster router system (Identity, identity).
[0040] 22. The virtual cluster router system controller receives the traffic information sent by the sub-router from the sub-router to the egress sub-router and establishes a traffic matrix of the virtual cluster router ...
Embodiment 2
[0128] like Figure 5 As shown, the embodiment of the present invention provides a virtual cluster router system controller, including:
[0129] The first sending unit 51 is configured to send the global forwarding table of the virtual cluster router system to the sub-routers, the virtual cluster router system includes a plurality of the sub-routers and the virtual cluster router system controller, and the global forwarding table includes The destination address prefix of the data to be forwarded and the corresponding egress sub-router ID of the virtual cluster router system.
[0130] The first receiving unit 52 is configured to receive the traffic information sent by the sub-router from the sub-router to the egress sub-router and establish a traffic matrix of the virtual cluster router system, the traffic information is received by the sub-router The destination address of the data to be forwarded matches the destination address prefix of the data to be forwarded in the glob...
Embodiment 3
[0148] like Figure 7 As shown, the embodiment of the present invention provides a traffic sharing method of a virtual cluster router system, including:
[0149] 71. The sub-router receives the global forwarding table of the virtual cluster router system sent by the virtual cluster router system controller, the virtual cluster router system includes multiple sub-routers and the virtual cluster router system controller, and the global forwarding table It includes the destination address prefix of the data to be forwarded and the corresponding egress sub-router ID of the virtual cluster router system.
[0150] 72. The sub-router matches the received destination address of the data to be forwarded with the destination address prefix of the data to be forwarded in the global forwarding table, and obtains the exit sub-router corresponding to the destination address prefix of the data to be forwarded from the sub-router traffic information.
[0151] 73. The sub-router sends the fl...
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