OCA-DB2

The architecture of OCA-DB2 is designed to facilitate seamless integration between CA IDMS applications and Db2 databases. The core components include the OCA-DB2 interface, the communication layer, and the Db2 access module. The OCA-DB2 interface acts as the primary entry point for CA IDMS applications, allowing them to interact with Db2.

This interface translates SQL requests from the CA IDMS environment into a format compatible with Db2. The communication layer handles the network protocols, ensuring reliable data transfer between the CA IDMS and Db2 environments. This layer uses TCP/IP for communication.

The Db2 access module is responsible for processing the SQL requests and interacting with the Db2 database. It handles tasks such as query optimization, data retrieval, and transaction management. The communication between these components is primarily based on a client-server model, where the CA IDMS application acts as the client and the Db2 database acts as the server.

The OCA-DB2 interface sends SQL requests to the communication layer, which then transmits them to the Db2 access module. The Db2 access module interacts with the Db2 database to execute the requests and retrieves the results. The results are then sent back through the communication layer to the OCA-DB2 interface, where they are made available to the CA IDMS application.

The system uses Db2 as its primary storage mechanism. Network requirements include the necessary ports for TCP/IP communication with the Db2 subsystem. The product supports various authentication methods, including user ID and password.

Access control is managed through Db2's security features. Encryption is supported for data transmission. Comprehensive logging and auditing capabilities are available for monitoring and security compliance.

The product's design emphasizes performance, scalability, and security, ensuring that it can meet the demands of enterprise-level applications. Compared to native Db2 access methods, OCA-DB2 provides a streamlined integration path for CA IDMS applications.