Method and Apparatus for Interworking VPLS and Ethernet Networks
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Accused Products
Abstract
To allow seamless interworking between an 802.1ah service instance (ISID) and a VPLS service instance, the AGI value used to signal the setup of the pseudowire portion of the VPLS may carry the ISID value of an associated 802.1ah service instance. This allows the service instance to be identified end-to-end across the Ethernet and VPLS networks using the same value without modifying how the MPLS network operates. The VPLS network will use AGI/AII signaling to set up pseudowires on the MPLS network, but instead of using an AGI value assigned by the MPLS network, the AGI value that is assigned will be taken from the ISID value of the Ethernet frame or from ISIDs registered by the Ethernet network.
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Citations
51 Claims
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1-21. -21. (canceled)
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22. A method of interworking a MPLS-based Ethernet VPN with an Ethernet network, the method comprising:
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obtaining an Ethernet service identifier associated with a service instance in the Ethernet network; and for a service instance in the MPLS-based Ethernet VPN corresponding to the service instance in the Ethernet network associated with the Ethernet service identifier, deriving from the Ethernet service identifier an identifier for use in the MPLS-based Ethernet VPN, the identifier for use in the MPLS-based Ethernet VPN being uniquely associated with the Ethernet service identifier. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. Apparatus for interworking a MPLS-based Ethernet VPN with an Ethernet network, the apparatus comprising:
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at least one processor; and at least one memory storing instructions executable by the at least one processor, the instructions comprising instructions executable; to obtain an Ethernet service identifier associated with a service instance in the Ethernet network; and for a service instance in the MPLS-based Ethernet VPN corresponding to the service instance in the Ethernet network associated with the Ethernet service identifier, to derive from the Ethernet service identifier an identifier for use in the MPLS-based Ethernet VPN, the identifier for use in the MPLS-based Ethernet VPN being uniquely associated with the Ethernet service identifier. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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Specification