| 摘要 |
A virtual path concentrator node provides concentration and savings in virtual path connection count in an interworked network. The virtual path concentrator node is coupled between an access node and a gateway node of a first network that interfaces to a second network of an interworked network which interface one another via a network to network interface. A plurality of permanent virtual circuit connections in the first network may be reduced and concentrated into a fewer number of virtual paths out of the virtual path concentrator node. A loopback arrangement ensures, in one embodiment, virtual path identifier (VPI) identification of a frame relay, or in another embodiment, an asynchronous transfer mode network address compatibility within the interworked network.
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