| 摘要 |
An application and method for analyzing a virtual circuit in an asynchronous transfer mode ("ATM") network is disclosed. The ATM network may include multiple switches and connects two telecommunications networks through two interface devices, one for each telecommunications network. A virtual circuit is created in the ATM network between the two telecommunications networks, connecting to the first telecommunications network through a port of the first interface device and the second telecommunications network through a port of the second interface device. The method transfers a data value from the port of the first interface device to the port of the second interface device before or during a call. The data value identifies the two ports. In this way, the data value can later be examined to determine if it still identifies the two ports. By so doing, the examining interface device can determine a status of the virtual circuit.
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