
Business at all levels makes use of several applications which require integration so that the business runs smoothly. In order to simplify management of data between general-purpose computer systems at the enterprise level
enterprise application integration comes to the scene which is a trouble-free operation and can integrate disparate applications in just couple of days without programming. It is an easy user interface with drag and drop capability and intelligent integration offers business to business integration which automates, integrates and accelerates business activities and handles business projects with full efficiency. The facility of data integration has got a high degree of versatility which complements a variety of computer systems and factory floor controllers.
We can take example of employee data. It is found inside an HR application as well as well as inside a Payroll application. So entering the same data twice into two different applications is time consuming and also may lead to errors of data entry. It is
data integration which helps speed up transaction process and ensures easy up gradation. Similar is the case of Quotes. Quotes are present in a CRM application, but Purchase orders are reconciled in an ERP system. So, there is a need to exchange data between the ERP and the CRM applications. As another example let us take the case of Products, the Product database is required in many applications such as CRMs, ERP etc. functionally data has to be exchanged between a CRM and a ERP application or between a HRMS and a Pre Sales application. Data also has to be exchanged periodically.

The facility of
real time data integration helps ascertain timely and related data. There is a scrolling field displayed inside the list of organic search results to retrieve vital information. There are various benefits like reduced installation costs through fast and easy integration. There is data integration challenges of integration arise primarily from different application programming constructs and different databases or different file formats which are in use. Also there may be a considerable amount of Maintenance effort required to transport and verify data between real time systems. The other popular applications of Enterprise application Integration) are the transport of data between OLAP and OLTP systems or real time BI.
Some popular Integration technologies are Web Methods, IBMs MQ Series. All these Integration technologies work on either the concept of Messaging or Electronic Data Interchange. They support custom integrators to many applications such as SAP R/3, SIEBEL. The data exchanged is via XML file format. The exchange is performed using schedulers that are in built within the Integration framework.