IMS DC

Data Communications

Enhanced Definition

The transaction processing component of IMS for managing online terminal interactions and message-driven applications. IMS DC provides high-volume transaction processing capabilities.

Key Characteristics

- Message-driven architecture
- Queue-based processing
- Terminal management
- Transaction scheduling
- Security and authorization
Message Processing:
- Input Messages: From terminals or other sources
- Message Queues: Temporary storage
- Transaction Scheduling: Based on message type
- Program Execution: Message processing programs
- Output Messages: Responses to terminals
Transaction Types:
- Conversational: Multi-step interactions
- Non-conversational: Single request-response
- Fast Path: High-speed simple transactions
- Message Switches: Routing transactions
IMS Connect:
- TCP/IP connectivity
- Web services support
- SOAP and REST interfaces
- Java and .NET client support
- Legacy system integration
Terminals and Interfaces:
- 3270 terminal support
- Web browser access via IMS Connect
- Mobile device integration
- API-based access
- Batch program interfaces