| 摘要 |
A network abstraction gateway (NAG) according to the invention comprises: - at least one abstracted network interface (AN-I) for connectivity with at least one abstracted network (AN) wherein a user has an abstracted endpoint (AE) having a first identity in the abstracted network (AN); - at least one communication system interface (CS-I) for connectivity with at least one user's communication system (CS), the communication system interface (CS-I) exposing abstracted endpoint behavior via a second identity in the user's communication system (CS); - means (REG) adapted to register a one-to-one relationship between the first identity and the second identity; - means for extracting behavior of the abstracted endpoint (AE), comprising communication features and/or states of the abstracted endpoint (AE); and - endpoint abstraction means (AM) adapted to abstract the abstracted endpoint (AE) in the user's communication system (CS) via an endpoint abstraction (EA) using the second identity, the endpoint abstraction (EA) being responsive to behavior of the abstracted endpoint (AE), being adapted to implement at least one feature and/or state of the user's communication system (CS), and being adapted to bi-directionally map the behavior of the abstracted endpoint (AE) with features and/or states of the user's communication system (CS) via a protocol supported by the user's communication system (CS).
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