Effective with version 6.3 SP2, zEnterprise Data Compression (zEDC) is supported on z/OS systems. This support comes in the form of two new LINK parameters for the XCF line driver: ZEDC and ZEDCLOG.

The following table summarizes the new Entire Net-Work XCF Option DRIVER and LINK parameters introduced in Entire Net-Work 6.3:

Parameter	DRIVER or LINK Statement?	New or Changed?	Description	Introduced in Release
EXHS	DRIVER and LINK	New	This new parameter indicates whether extended handshakes should be used. Specify this parameter only as advised by Software AG; it was created to provide compatibility between the Entire Net-Work XCF Option 6.3 releases and the 6.1 SP2 and 6.2 SP2 releases. Zaps are required to support this functionality. For more information, read XCF DRIVER and LINK Backward Compatibility.	6.3 SP1
RCVBFNUM	DRIVER	New	This optional new parameter allows you to specify the number of entries in the receive buffer table. Zaps are provided to support this functionality.	6.3 SP2
ZEDC	LINK	New	This new parameter indicates whether zEnterprise Data Compression (zEDC) compression can occur for the link.	6.3 SP2
ZEDCLOG	LINK	New	This new parameter indicates what level of trace data will be logged for zEDC compression processing.	6.3 SP2

For more information, read XCF LINK Statement.