BARR/SYNC
BARR/SYNC for Host Integration Server provides high-speed, full-duplex communications for Microsoft Host Integration Server. The package includes the Barr SYNC PCI adapter, software drivers to work with the Host Integration Server, diagnostics, and online help. |
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Few downstream devices offer the ability to simultaneously send data to and receive data from a single device on an SDLC link. Although this capability is supported by virtually all front-end processors, most SNA gateways and controllers allow duplex operation only on distinct sending and receiving devices. Independent testinghas shown that the Barr adapter used by BARR/SYNC can actually double bi-directional traffic at a given SDLC link speed. This is achieved by supporting the DATMODE=FULL parameter. Even when most of the SNA traffic goes in one direction, performance can be significantly improved because acknowledgments can be transmitted as the software receives data.
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