Arrangement for testing packet switching networks

Details Arrangement for testing packet switching networks Arrangement for testing packet switching networks

1986-11-17

1988-05-17

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, 371 33, H04L 1112

Patent

active

047455934

ABSTRACT:
A packet network test arrangement where a test packet is transmitted from a test source to a test destination via successive nodes of the packet network. Any node that fails to receive acknowledgement within a predetermined time of transmitting the test packet to a subsequent node responds by transmitting information to the test source concerning the failure and particularly defining the involved nodes. Accordingly, a single test can be used advantageously both to detect faults and to localize such faults between two network nodes. The test arrangement also provides for the loop-around of test packets received at the test destination thus enabling the test source to verify successful packet communications.

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