Application server is a server program in a PC and is considered as the center level (second part) of the three level application design. The other two sections are the graphical UI (GUI) and database and exchange server. It is intended to introduce, work and stay applications and other related administrations that can be shared among different clients associating both nearby and remote clients. It is accessible as the HTTP server alongside the web server in a similar PC or in a different PC. Numerous huge sites house various web servers and application servers.
The application server consolidates with the web server to convey PC administrations and applications to different gadgets. Key elements of application server incorporate least downtime, information repetition, stack adjusting, information security, client administration and a unified interface. Application servers offer an assortment of dialect frameworks that incorporate java server pages (JSPs), dynamic server pages (ASPs), and java servlets.
IBM WebSphere Application