Protocol test device including a network processor

Details Protocol test device including a network processor Protocol test device including a network processor

2006-12-05

2006-12-05

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S004110, C714S025000, C703S026000, C709S230000

Reexamination Certificate

active

07146537

ABSTRACT:
The present invention relates to a protocol test device including a network processor where the network processor has the following features:protocol levels of a protocol stack can be programmed in it for at least one protocol per software;it is capable of simultaneously processing input signals of different transmission formats, in particular of different clock rates;a plurality of channel ports for network subscribers in parallel architecture; andone standardized interface for a control unit; with the network processor being designed for in-stream operation, i.e. signals arriving at the ports for network subscribers can be redirected to at least one other port for network subscribers, if necessary after a pre-processing step.A host processor which has been programmed for performing protocol emulations and/or simulations is coupled to the network processor, with the signals of the network subscribers forwarded to the channel ports terminating in the protocol test device.

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R. Dssouli et al “Test Development for Communication Protocols: Towards Automation”, Computer Networks 1999, Elsevier Science Publishers B.V.
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