Communication-tracing-information processing device

Details Communication-tracing-information processing device Communication-tracing-information processing device

1992-08-05

1995-09-12

Chin, Stephen

Pulse or digital communications

Testing

370 60, 370 941, 370 951, 371 22, 371 211, 39518501, H04B 346

Patent

active

054504392

ABSTRACT:
A communication device connected to a packet network, which is provided with a storage portion having communication-tracing-information storing areas respectively assigned to logical channels and a communication processing portion for identifying a logical channel by a network header of transmission or reception data obtained from the packet network when the transmission or reception data is generated, and for writing communication-tracing-information corresponding to the generated transmission or reception data to a communication-tracing-information storing area assigned to the identified logical channel. Thus, communication-tracing-information is stored in the communication-tracing-information storing areas respectively corresponding to logical channels. Thereby, the stored communication-tracing-information corresponding to a logical channel is not written over that corresponding to another logical channel. Therefore, if a communication fault occurs correspondingly to a logical channel and thereafter a normal communication processing is effected correspondingly to another logical channel, communication-tracing-information corresponding to the logical channel, in which the communication fault has occurred, can be retained. Consequently, communication-tracing-information corresponding to a logical channel, in which a communication fault occurs, can surely be retained and easily be fetched without increasing the cost. Moreover, an analysis of the communication fault can efficiently be performed.

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