WebLobic Server is an industry-leading application server developed by BEA Corporation of the United States. It is a pure java implementation of SUN J2EE. WebLogic has long been considered one of the best J2EE tools on the market. Like a database or mail server, WebLogic Server is invisible to clients and provides services to clients connected to it. The most common use of WebLogic is to provide secure, data-driven applications for Web services on the Internet or intranet. WebLogic's support for the J2EE architecture: WebLogic Server provides support for the SUN J2EE architecture. SUN's J2EE architecture is an overall framework that supports distributed applications for the enterprise level. It provides a simple, open standard for integrating back-end systems, such as ERP systems, CRM systems, and implementing enterprise-level computing.