Ethernet ring protection switching method for hybrid network
A hybrid network and protection switching technology, applied in network interconnection, data exchange network, data exchange through path configuration, etc., can solve the problem that the protection of virtual private network service groups cannot be provided, and the protection of logical ports in virtual private network services cannot be provided. , can not provide protection of virtual private network business logic topology, etc.
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[0093] In actual networks, different operators and service providers have their own networks, and these networks are intertwined to provide different levels of network services. When different networks are interconnected, it is also necessary to provide a service protection switching function based on this hybrid network. In order to meet this requirement, the present invention provides a hybrid network Ethernet ring network protection switching method, which is based on the standard Ethernet ring network On the basis of protection switching, the function of hybrid network is extended.
[0094] A typical application network topology such as Figure 4 As shown, the core is an MPLS network, the edge is a PB access network, and services pass through the PB network and the MPLS network. In this way, the edge gateway network element PE between different networks needs to provide a special processing method to perform protection switching on services.
[0095] The PB network perfo...
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