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G&R

Line handlers

The DSA/DIWS handler

You start this handler when you specify -li dsa or -li diws as the line

handler for a Host Links product. If you connect via Ggate it creates a

new line handler process or thread for you, and the new process/thread runs

gl_dsa on your behalf.

The handler is used to connect to Bull front-ends or Bull systems directly:

• Directly to Datanet, MicroFEP or MainWay

• Through Datanet, MicroFEP or MainWay to any mainframe

• Directly to GCOS7 systems with ISL

• Directly to GCOS7 systems with FCP7

• Directly to the Open Systems personality of GCOS7 Diane systems

• Directly to GCOS8 systems with FCP8

• Directly to GCOS8 systems with GNSP

• Directly to GCOS6 (WAN or LAN)

The DSA/DIWS line handlers can (like all others) be used in communication

between two Host Links applications; for example for test purposes or when

running G&R/GUFT file transmission between 2 systems.

The DSA line handler in DSA protocol mode is the preferred way to connect to

Bull systems. It implements DSA presentation over DSA session, interfacing to

the transport stack. The main benefits of the DSA protocol compared to DIWS

are:

• Access to front-ends/hosts that don’t have a PID (Plug ISO-DSA). This in-

cludes many older releases of DNS as well as GCOS6 and GCOS7

software that is still in use at many sites

Gline Line Handlers and Configuration

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