CICS Transaction Gateway V5 The WebSphere ... - IBM Redbooks
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CICS Transaction Gateway V5 The WebSphere ... - IBM Redbooks

CICS Transaction Gateway V5 The WebSphere ... - IBM Redbooks

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1.1 <strong>CICS</strong> TG: Infrastructure<br />

4 <strong>CICS</strong> <strong>Transaction</strong> <strong>Gateway</strong> <strong>V5</strong><br />

<strong>The</strong> <strong>CICS</strong> <strong>Transaction</strong> <strong>Gateway</strong> (<strong>CICS</strong> TG) is a set of client and server software<br />

components that allow a Java application to invoke services in a <strong>CICS</strong> region.<br />

<strong>The</strong> Java application can be an applet, a servlet, an enterprise bean, or any other<br />

Java application (Figure 1-1).<br />

<strong>The</strong> latest edition of the <strong>CICS</strong> TG is <strong>V5</strong>.00, and the currently supported platforms<br />

are: z/OS, OS/390, Linux for S/390®, AIX®, HP-UX, Sun Solaris, Windows NT,<br />

and Windows 2000.<br />

<strong>The</strong> <strong>CICS</strong> TG is supported for use with <strong>CICS</strong>/ESA V4.1, <strong>CICS</strong>/VSE 2.3 and<br />

<strong>CICS</strong> <strong>Transaction</strong> Server (<strong>CICS</strong> TS) for VSE/ESA V1, but only if the <strong>CICS</strong> TG<br />

runs on a distributed platform. For use with <strong>CICS</strong> TS V1 for OS/390 or <strong>CICS</strong> TS<br />

V2 for z/OS, the <strong>CICS</strong> TG can run on z/OS, OS/390, or a distributed platform.<br />

For product information on using <strong>CICS</strong> TG, refer to the <strong>CICS</strong> <strong>Transaction</strong><br />

<strong>Gateway</strong> Administration Guides.<br />

Java client<br />

application<br />

HTTP<br />

or<br />

TCP<br />

<strong>CICS</strong> <strong>Transaction</strong><br />

<strong>Gateway</strong><br />

<strong>Gateway</strong><br />

daemon<br />

ECI EPI<br />

JNI<br />

Client daemon<br />

Transport drivers<br />

Figure 1-1 <strong>CICS</strong> <strong>Transaction</strong> <strong>Gateway</strong> components<br />

<strong>The</strong> <strong>CICS</strong> <strong>Transaction</strong> <strong>Gateway</strong> consists of the following principal components:<br />

► <strong>Gateway</strong> daemon<br />

► Client daemon<br />

► Configuration Tool (ctgcfg)<br />

► Terminal Servlet<br />

► Java class library<br />

ESI<br />

CTG.INI<br />

Network<br />

Configuration<br />

tool<br />

ctgcfg<br />

<strong>CICS</strong><br />

server

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