The WebSphere Process Server program is designed to increase efficiency in a workplace by allowing users access to various programs and automating certain computer procedures so that workers don’t have to spend time doing the procedures themselves. The software requires installation on a server for maximum benefit.

Websphere Process Server is a software application server produced by IBM. It is supported by several operating systems such as Windows, AIX, Linux, Solaris, i/OS and z/OS. It offers features such as application integration and managing business processes.

Websphere Process Server installation process:

1. Before you install WebSphere Process Server, you must ensure that your system meets all the hardware and software requirements, and you must prepare your operating system for installation. You also need to decide whether to create a stand-alone server or a network deployment scenario and plan the configuration details needed.

2. You can obtain WebSphere Process Server product files in two ways, from the disks in the product package or by downloading installation images from sites.

3. Use the installation verification tools to verify that the installation of WebSphere Process Server and the creation of the stand-alone server or deployment manager profiles were successful.

4. Log on to the server you will be installing the Websphere Process Server on as the administrator. Insert your Websphere Process Server installation disk into your disk drive or start the download of the process server if you are downloading the software through your personal IBM passport advantage portal.

5. Start the launch pad by entering command prompts. If you are launching from an i5/OS, enter “launchpad.exe.” Type “mount_point/launchpad.sh” if you are launching from a Linux or Unix system where “mount point” refers to your Linux or Unix system. Type “mount_point/launchpad.sh” if you are launching the installation from a Windows server.

Click “IBM WebSphere Process Server Installation” and click “IBM WebSphere Process Server installation.” Click “Next.” Review the license terms and click “Agree” to proceed. Click “Next.” The “System Prerequisites” panel will appear; click “Next” at the bottom of the pane. Decide on the type of installation you need and click “Next.” Allow your server to complete the installation and reboot your server.

Hence you have now installed Websphere Process Server.

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WebSphere Process Server uses the WebSphere Integration Developer as development tool. WebSphere Process Server is placed on top of WebSphere Application Server and extends the WebSphere Enterprise Service Bus. You can use WebSphere Process Server to develop and execute standards-based, component-based business integration applications in a Service Oriented Architecture.

WebSphere Process Server offers full ACID transaction support for business processes, both for short-running (one transaction end to end) and long-running processes. WebSphere Process Server includes a Recovery Manager as well as a Recovery Console. The unique architecture in WebSphere Process Server allows the encapsulation of business functions into separate modules that you can then update independently of each other.

WebSphere Process Server includes capabilities such as business process automation. WebSphere Process Server supports two capabilities required for an efficient Service Oriented Architecture: a universal invocation model, implemented as a Service Component Architecture (SCA), and a universal data representation implemented, as Business Objects (BOs).

WebSphere Process Server provides four service components:

Business processes:

The business process component in WebSphere Process Server implements a Web Services Business Process Execution Language (WS-BPEL) compliant process engine. You can develop and deploy business processes that support long and short running business processes and a compensation model within a scalable infrastructure. You can create WS-BPEL models in WebSphere Integration Developer or import from a business model that you can create in WebSphere Business Modeler.

Human Tasks:

Human Tasks are standalone components in WebSphere Process Server that you can use to assign work to employees or to invoke any other service. Therefore the Human Task Manager supports the ad hoc creation and tracking of tasks. You can use existing LDAP directories (as well as operating system repositories and the WebSphere user registry) to access staff information. WebSphere Process Server also supports multi-level escalation for human tasks including e-mail notification and priority aging.

WebSphere Process Server includes an extensible Web Client that you can use to work with tasks or processes. This Web Client is based on a set of reusable Java Server Faces (JSF) components that you can use to create custom clients or embed human task functionality into other Web applications.

Business State Machines:

Business State Machines provide another way of modeling a business process. This lets you represent your company’s business processes based on states and events, which sometimes are easier to model than a graph-oriented business process model. One example would be an ordering process where you can modify or cancel the order at any time during the order process until the order is actually fulfilled.

Business Rules:

Business Rules are a means of implementing and enforcing business policy through externalization of business function. This enables dynamic changes of a business process for a more responsive businesses environment. Business rule authoring is supported with Eclipse-based desktop tooling. Business Analysts can use the Web-based runtime tooling included in WebSphere Process Server to update business rules as business needs dictate without affecting other services.

You can configure and administer all of WebSphere Process Server’s features using extensions to the WebSphere Application Server administration console and configuration capabilities. This provides one place to administer the entire application stack.

Thus WebSphere Process Server provide with a scalable and reliable business integration environment that can be used for transaction, security, clustering and workload management.

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WebSphere Application Server is a collection of networks. WebSphere architectures contain one or more computer systems, which are referred to in WebSphere terminology as nodes. Nodes exist within a WebSphere cell. A WebSphere cell can contain one node on which all software components are installed or multiple nodes on which the software components are distributed.

A typical WebSphere cell contains software components that may be installed on one node or distributed over multiple nodes for scalability and reliability purposes that include:

A Web server that provides HTTP services
A database server for storing application data
WebSphere Application Server (WAS) V5.

The architecture of WebSphere Application Server consists of these software components:

WebSphere subsystem:

The WebSphere Application Server subsystem, QASE5, contains the jobs that pertain to WebSphere Application Server – Express. In addition to the jobs running in the QASE5 subsystem, your applications may also use jobs running in other subsystems.

Application server

The webSphere application server provides the runtime environment for server-side Java components (such as servlets and JavaServer Pages). An application server contains the following architectural components:

Web container

The Web container runs within the application server and handles requests for servlets, JavaServer Pages files, and the Web applications that contain them.

Name server

The Java Naming and Directory Interface, or JNDI, is used to provide access to Java components within a distributed computing environment. The WebSphere Application Server name server provides the implementation of the JNDI service. You can bind WebSphere Application Server resources to JNDI names, which allows applications to access resources such as data sources and mail providers.

Security server

The WebSphere Application Server security server provides security infrastructure and mechanisms to protect sensitive application resources and administrative resources and to address enterprise end-to-end security requirements on authentication, on resource access control, on data integrity, confidentiality, and privacy, and on secure interoperability.

HTTP server

The HTTP server receives requests for server-side components (such as servlets and Java Server Pages) and passes the requests to WebSphere Application Server through an interface called the WebSphere plug-in. WebSphere Application Server – Express supports these HTTP servers:

IBM HTTP Server for iSeries (powered by Apache)
Lotus Domino HTTP Server

WebSphere plug-in

WebSphere Web server plug-ins enable the Web server to communicate requests for dynamic content, such as servlets, to the application server. WebSphere Application Server ships two plug-ins; one for IBM HTTP Server for iSeries (powered by Apache) and one for Lotus Domino HTTP Server. The plug-ins use a configuration file to determine whether a request should be handled by the Web server or the application server.

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WebSphere Application Server (WAS) is built using open standards such as Java EE, XML, and Web Services. WebSphere Application Server provides the flexibility, efficiency and intelligent management for a cost-effective business. WebSphere Application Server drives businesses by providing most of the developers and IT Architects with an innovative, performance-based foundation to build, reuse, run, integrate and manage Service Oriented Architecture (SOA) applications and services.

WebSphere Application Server is a platform on which Java-based business applications run. WebSphere Application Server Is an implementation of the Java 2 Enterprise Edition (J2ee) Specification.

Features of WAS:

1. WebSphere Application Server Speed the delivery of applications and services, operate efficiently and reliably and ensure security and control.

2. WebSphere Application Server helps businesses reduce costs through industry leading performance, operational efficiency, and reliability. Companies can take advantage of WebSphere Application Server’s high performance to consolidate workloads and administrative overhead to reduce total cost of ownership without sacrificing system reliability.

3. WebSphere server application reduces developer time and effort during the edit-compile-debug development lifecycle with monitored directory-based install, update and uninstall of Java EE applications.

4. WebSphere application server save time on problem determination and uncover potential performance bottlenecks by using the new High Performance Extensible Logging (HPEL) binary log and trace framework.

5. WAS increases administrator productivity through automated cloning of nodes based on existing node configuration, job manager updates to manage profiles, and improved ease of locating and editing configurations.

6. WebSphere Application Server offers world-class security and control to help businesses confidently reduce costs and increase business agility. WebSphere Application Server’s rich support for security specifications and granular security controls help administrators productively secure application environments their businesses depend on.

7. WAS improves ease of use and control through automation that allows administrators to copy a security domain, along with users and groups, at the global level.

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