Browse Prior Art Database

3270 Emulation through Channel Attached File Server

IP.com Disclosure Number: IPCOM000105509D
Original Publication Date: 1993-Aug-01
Included in the Prior Art Database: 2005-Mar-20
Document File: 2 page(s) / 36K

Publishing Venue

IBM

Related People

Beausoleil, WF: AUTHOR [+6]

Abstract

Disclosed is a method which allows Personal Computer (PC) workstations attached via a Local Area Network (LAN) to establish a 3270 terminal emulation session with a System/370* (S/370) host without requiring a special purpose terminal or communications controller.

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3270 Emulation through Channel Attached File Server

      Disclosed is a method which allows Personal Computer (PC)
workstations attached via a Local Area Network (LAN) to establish a
3270 terminal emulation session with a System/370* (S/370) host
without requiring a special purpose terminal or communications
controller.

      3270 host gateway functions are added to a general purpose LAN
file server that is attached to the S/370 channel.  Thus, only one
machine (the LAN file server) is required to provide all the
functions that formerly required two separate machines (a LAN server
and a 3270 controller).  This new method also reduces by half the
number of expensive S/370 system connections that would be required.

      In the figure, the LAN file server is connected as a gateway to
the S/370 host via a S/370 channel connection.  The PC workstations
are connected to the file server via the LAN.  When any PC requests
3270 terminal emulation, the LAN file server sends a request to the
S/370 host.  A 3270 session is then established between the S/370
host and the PC workstation without requiring another special purpose
host connection machine.

      In addition, the PC workstations may concurrently access data
that resides on the LAN file server's disks, or on the S/370 host
disks if the IBM LAN Resource Extension and Services/VM (LANRES/VM),
IBM Program Number 5684-142, is also installed.

*  Trademark of IBM Corp.