SAP PI-Process Integration for Beginners


The objective of this tutorial is to make you understand the basics of SAP Process Integration or Process Orchestration. We will go through the basics of integration, why are we using the integration, what is system to system, and application to application to application integration. What are the scope and use of SAP Process integration and what are the main features of this tool?

We will also discuss the different architectures available like a single and dual-stack. We will also discuss a couple of case studies to understand the real-time usage of the PI in a typical industry.

We will also touch base on the sample scenario and discuss in detail of each object and its usage. Also, step-by-step action is needed by any of the developers or consultants once he gets the real timer requirement from the customer or function consultant.

What is SAP ERP?

The full form of ERP is Enterprise Resource Planning. If you take any industry, they must carry out a few standard business ss functionalities. A few examples are Material Management, Sales and Distribution, Finance, Human Resources, etc. There are so many software in the market which is utilized by these industries called ERP software and the Vendor who supplies this software is called an ERP vendor. i.e. SAP, ORACLE, Peoplesoft, etc.

Background on SAP AG

SAP is Germany’s multinational Company software company that makes enterprise software to manage the business operation and customer relationship management.

SAP was founded in 1972 by five former IBM employees with a vision of creating a standard application software for real-time business processing. SAP stands for Systems Applications and Products in Data Processing. Since its inception SAP has issued several releases, such as SAP R/1, SAP R/2, and SAP R/3.)

Companies’ best know software product is ERP-Enterprise Resource Planning which includes key business functions of the organization. The basic functionalities i.e. HR, MM, SD, FICO, etc are called core business modules in SAP. SAP builds them as products and sells them in the market. In addition, to these core modules, there are a few other modules that do not support business functions directly but are utilized for presentation and integration and these are part of the SAP Netweaver business suite.

Few to name are SAP EP (Enterprise Portal) and the SAP PI (Process Integration). All the business modules are developed in ABAP while EP and PI are developed mostly in Java. These modules are not executables, but they need to be deployed in an Application Server i.e. ABAP Web Application Server for ABAP modules and Java Web Application Servers for Java modules.

The first commercial version was released in 1973. Please see below for lists of the major SAP releases and the release year

Lists the major SAP releases and the release year
Sap Netweaver

SAP NetWeaver is a technology platform that allows organizations to integrate data, business processes, elements, and more from a variety of sources into unified SAP environments. SAP NetWeaver forms the technical foundation for a large number of SAP application landscape

SAP NetWeaver is called a central foundation for the SAP software stack. It provides a flexible platform for other NetWeaver components such as Process Integrator, Business Intelligence, Enterprise Portal, and ABAP and Java applications. Having the capabilities of Service provision, Composition, and Governance

Legacy System

While implementing the SAP ERP in a large business establishment, it is found that not all sections can be brought under the SAP ERP. Many of the business sections may have their own proprietary tools that are highly complex and may not be possible to be replaced. They run parallel to the SAP System. They are called Legacy Systems. Then it becomes necessary to integrate the SAP Systems and such pre-existing non-SAP Systems. This is where the SAP PI comes into play.

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