Network testing in DB/DC and DCCTL environments

As part of your preparation for production mode, you should arrange for online testing of each piece of the network during the system test. Try to observe the online testing for the different terminal types that are to be active in the IMS system.

Include observations of those transactions considered critical. The results of this exercise are useful when you write operations procedures for remote terminals and instructions for the master terminal operator. Emphasizing the physical actions and sequence of events helps clarify these procedures and make them more complete for the end user.

If you do not have access to an early draft of the actual procedure for the terminal operation, it is best to use a prepared script for a session. The text should include a scenario depicting a test sequence of commands as an online session:

Procedure

  1. Prepare to transmit the SNA terminal subsystem program, then transmit from the host (if applicable).
  2. Start the ACF/VTAM or host subsystem application program, and enter the appropriate commands to start IMS and establish communication with VTAM®.
  3. Start the SNA terminal subsystem program at the processing unit location (if applicable) and make the intelligent terminal ready for communication with IMS.
  4. Exchange messages with the host, submit an IMS transaction from the terminal, and validate the result.