Generic TCP Service Monitoring

TCP Service is a network service that uses Transmission Control Protocol (TCP) to communicate with its clients.

Network Host device driver supports availability/operability monitoring for several TCP services per IP host.

Generic TCP Service status is checked during synchronization. The service is deemed Online if all configured services/ports are online.

Status of particular TCP service is checked using one of the three procedures:

• TCP connection checking
• immediate reply checking (without sending any data)
• sending data and checking the reply

Effective check procedure is determined by Send Data property as described below.

Connection check is performed if Send Data is not specified, i.e. is null. The following operations are performed in this case:

The check is deemed succeeded if connection was successfully established. Response is included in result data record, but does not affect status of the service.

Immediate reply check is performed if Send Data is empty string. The following operations are performed:

The check is deemed succeeded if connection was successfully established and non-empty response received. Response is included in result data record.

Send and reply check is performed if Send Data is non-empty string. The following operations are performed:

The check is deemed succeeded if connection was successfully established, the data was successfully sent and non-empty response received. Response is included in result data record.

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