Communications APIs
The communications APIs provide support for user-defined communications, data stream translation, OptiConnect, TCP/IP management, and Common Programming Interface for Communications (CPI-C).
The user-defined communications support APIs provide services for user-defined communications applications. The data stream translation APIs allow a user-written application program that creates 3270 data streams to run on a System i™ platform using 5250 data streams. The OptiConnect APIs can be used to move user data between two or more systems that are connected by an OptiConnect fiber-optic bus. The TCP/IP management APIs allow you to retrieve information about your TCP/IP setup and status and to change certain system values related to TCP/IP. The CPI-C APIs provide a cross-system programming interface for applications that require program-to-program communications.
The communications APIs include:
- User-defined Communications Support APIs
- Data Stream Translation APIs
- OptiConnect APIs
- TCP/IP Management APIs
- CPI Communications APIs
For information about user-defined communications support, read the following topics:
- User-defined Communications
- Programming Design Considerations for Communications APIs
- Configuration and Queue Entries
- Debugging of User-Defined Communications Applications
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