DEFINE LINK command: Overview of intersystem network links
The DEFINE LINK command defines intersystem network links. Link definitions are required for the Model 204 intersystem processing facilities. These facilities include:
- Horizon for TCP/IP
- Horizon for VTAM
- For SQL processing:
- CRAM SQL
- IUCV SQL
- TPROCESS
- Transfer Control
- UL/DB2
These DEFINE commands can be specified in any order. However, it is important that all associated entities are validly defined. Undefined or incorrectly defined entities result in an error during OPEN processing for the link or for the process.
The following pages contain descriptions and examples of DEFINE LINK requirements for each of the above facilities: