Outbound compression affects data streams sent from the application to the terminal. It reduces the amount of data transmitted outbound by eliminating repeated characters and unnecessary Set Buffer Address orders from the data stream.
CA TPX checks the outbound data stream for characters that are repeated over four times in sequence. It shortens this repetition to four characters with the Repeat-to-Address order.
A 3270 Set Buffer Address order is unnecessary when the last data character in the outbound data stream is currently at the address set by this order. In this case, the software would eliminate the Set Buffer Address order.
This product samples each outbound data stream to see if it should be compressed. If 16 consecutive data streams do not need compressed, compression is turned off for the next 16 data streams. The sampling process then resumes with the next data stream.
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