IDENTIFYING AN EGRESS PORT OF A DEVICE

摘要

The invention relates to a computer implemented method of identifying an egress port of a focus device connected in a computer network, the method being implemented at a monitor computer connected to the network and comprising: generating a query message to the focus device, the query message including an address identifying the device and a query key formulated based on a destination identifier, and including an instruction readable at the device to return the result message including identification of an egress port for messages addressed to the destination identified in the destination identifier when the query message is received at the device; receiving a result message at the monitor computer; reading the result message, and where the result message does not identify an egress port autonomously generating at least one subsequent query message; including at least one of (i) a different address for a different device connected in the computer network, and (ii) a different query key, selected by the monitor computer, wherein sufficient query messages are generated to identify the egress port of the focus device.

主权项

1. A computer implemented method of identifying an egress port of a focus device connected in a computer network, the method being implemented at a monitor computer connected to the network and comprising:
generating a query message to the focus device, the query message including an address identifying the device and a query key formulated based on a destination identifier, and including an instruction readable at the device to return the result message including identification of an egress port for messages addressed to the destination identified in the destination identifier when the query message is received at the device; receiving a result message at the monitor computer; reading the result message, and where the result message does not identify an egress port autonomously generating at least one subsequent query message; including at least one of (i) a different address for a different device connected in the computer network, and (ii) a different query key, selected by the monitor computer, wherein sufficient query messages are generated to identify the egress port of the focus device.