Test method for network path between network elements in communication networks

摘要

The method involves sending test messages of a first protocol layer from a first device (Host) to a second device (G0) at short time intervals, whereby the address of the first device is selected in accordance with the first protocol layer as the sending address and as the receiving address for such test messages. The path is marked as faulty if a first test message sent back by the second device is not received at the first in a reasonable time. AN Independent claim is also included for the following: (a) a network element connected via a connecting network to another network element.