Testing device

Details Testing device Testing device

2007-12-18

2007-12-18

Qureshi, Afsar (Department: 2616)

Multiplex communications

Diagnostic testing

C370S412000, C370S466000, C370S474000, C340S870030

Reexamination Certificate

active

10485808

ABSTRACT:
A test device (21) sits between two or more nodes (20, 22). The nodes (20, 22) communicate in conversations, according to some predetermined protocol. The test device (21), under user control, may introduce jitter, drop packets, create new packets, reroute packets, and reorder packets in the conversations. Particular conversations are detected and tracked by respective virtual state machines (38, 39, 40) within the test device.

REFERENCES:
patent: 5734659 (1998-03-01), Mann et al.
patent: 6493319 (2002-12-01), Kramarczyk et al.
patent: 2003/0088664 (2003-05-01), Hannel et al.
patent: 2003/0165160 (2003-09-01), Minami et al.

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