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Product Overview
The architecture of Barr/Channel In SDK centers around enabling direct channel-based communication with mainframes. The main components include the Channel Interface, the API Library, and the Channel-Attachment Card. The Channel Interface handles the low-level communication with the mainframe channel.
The API Library provides a set of functions for initializing connections, sending and receiving data, and closing connections. The Channel-Attachment Card provides the physical connection to the mainframe. Communication occurs using channel protocols (ESCON or Bus and Tag), ensuring high-speed data transfer.
Applications interact with the SDK through the API Library, calling functions like `ChannelInit()`, `SendData()`, `ReceiveData()`, and `ChannelClose()`. The SDK does not use any databases or internal storage mechanisms for data persistence; data is directly transferred to and from the mainframe. Network requirements include the physical channel connection and the necessary mainframe configuration.
Security is handled at the application level and the mainframe environment, with no built-in security features in the SDK itself. Competitors may offer similar mainframe connectivity solutions, but Barr's SDK provides a direct channel-based approach for optimal performance and reliability.
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