The CICS Transaction Gateway for OS/390 can concurrently manage many communication links to connected Web browsers. The multithreaded architecture of the CICS Transaction Gateway for OS/390 enables a single Gateway to support multiple concurrently connected users.
There are two ways a Java program can communicate with CICS:
- External Call Interface: link to a CICS Program
- External Presentation Interface: send and receive standard 3270 data streams
| |
ECI |
EPI |
| CICS Gateway for Java on OS/390 |
yes |
no |
| CICS Gateway for Java (not OS/390) |
yes |
yes |
CICS Transaction Gateway for OS/390 can only access Transaction Server for OS/390.
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