z/VSE 6.2 End-Of-Service effective date is 2023/09/30, see z/VSE 6.2 End-Of-Service Information for details.

Developing e-Business Applications

Introduction to e-business with z/VSE
Overview of 2- and 3-Tier Environments
Choosing the Connectivity You Require
For 2-tier and 3-tier environments, this topic describes the types of connectivity you can establish using the Java-based connector, the Db2-based connector, the VSAM Redirector connector, the VSE Script connector, CICS® (including the SOAP server and SOAP client, REST server and REST client), and WebSphere® MQ Client Trigger Monitor.
Installing the Common Prerequisite Programs
This topic describes the activities you must perform and which are independent of your choice of connectors.
Installing and Operating the Java-Based Connector
Configuring DL/I for Access Via VSE Java Beans
This topic describes how you configure your DL/I system so that it can be accessed via VSE Java Beans.
Installing the VSE Script Connector
This topic first provides an overview of how the VSE Script Connector is used. Then it describes how you install the server-part (the VSE Script Server) of the VSE Script Connector.
Installing the VSAM Redirector Connector
This topic describes how you install and implement the VSAM Redirector connector.
Installing the Database Call Level Interface
Customizing the Db2-Based Connector
Configuring the VSAM-Via-CICS Service
Until VSE/ESA 2.6, if a VSAM cluster was opened for update by CICS, the VSE Connector Server and Db2 Stored Procedures could only access the same VSAM cluster in read-only mode, unless the VSAM shareoption 4 was used. Using VSAM shareoption 4 resulted in performance degradation.
Mapping VSE/VSAM Data to a Relational Structure
This topic describes how VSE/VSAM data is mapped to a relational structure, and then the four methods that you can use to do so.
Collecting Data via the VSE Monitoring Agent
This topic describes how you can use the VSE Monitoring Agent to collect data from your z/VSE systems.
Using GDPS Support for High Availability
GDPS® is an abbreviation for Geographically Dispersed Parallel Sysplex® and can be used for high availability and disaster recovery in large computer environments. This topic describes how you can use the GDPS Client to enable availability data to be collected from your z/VSE systems and sent to a central GDPS K-System running under z/OS.
Using VSE Java Beans to Implement Java Programs
This topic describes how you use the VSE Connector Client's VSE Java Beans within 2-tier and 3-tier environments.
Using JDBC to Access VSAM Data
This topic describes how you can set up and issue relational database queries and update requests against VSAM data using a Java™ Database Connectivity (JDBC) driver. To do so, the Java-based connector provides various classes for use with JDBC.
Using Java Applets to Access Data
Using Java Servlets to Access Data
Using Java Server Pages to Access Data
Using EJBs to Represent Data
EJBs are “write once, run anywhere” distributed beans that run in a web application server environment, such as IBM's WebSphere Application Server.
Extending the Java-Based Connector
This topic describes how you can extend the Java-based connector in 2-tier and 3-tier environments, by writing your own “plugins”. It makes much use of the “Date and Time plugin” example, which obtains and displays a z/VSE host's current date and time.
Using the Database Call Level Interface to Access Data
Using the Db2-Based Connector to Access Data
This topic describes how you use the Db2-based connector to access VSAM datasets and DL/I databases.
Using SOAP for Inter-Program Communication
This topic describes how you use the Simple Object Access Protocol (abbreviated to SOAP) to send and receive information between CICS programs and other modules, over the Internet.
Using REST for Inter-Program Communication
This topic describes how you use Representational State Transfer (abbreviated to REST) to send and receive information between CICS programs and other modules, over the internet to build and use RESTful web services.
Using the z/VSE MQ Client Trigger Monitor for Asynchronous Inter-Program Communication
This topic explains how to migrate an application environment that is using WebSphere MQ Server for z/VSE V3.0.0 (5655-U97) to WebSphere MQ Client for VSE.
Using the VSE Script Connector for Non-Java Access
This topic describes how you use the VSE Script connector (which consists of the VSE Script Client and the VSE Script Server) to access z/VSE host or physical/logical middle-tier data from non-Java platforms.