Editing Application server (section)

{{Short description|Server that hosts applications}}
An '''application server''' is a [[server (computing)|server]] that hosts applications<ref>{{cite web |last1=Ottinger |first1=Joseph |date=2008-09-01 |df=dmy |title=What is an App Server? |website=TheServerSide.com |url=https://www.theserverside.com/news/1363671/What-is-an-App-Server |access-date=2022-02-06 |quote=an application server provides an environment where applications can run, no matter what the applications are or what they do}}</ref> or [[software]] that delivers a [[Business software|business application]] through a [[communication protocol]].<ref>{{cite web
 | last=Sintes
 | first=Tony
 | date=2002-08-23
 | url=https://www.infoworld.com/article/2077354/app-server-web-server-what-s-the-difference.html
 | title=App server, Web server: What's the difference?
 | work=[[JavaWorld]]
 | access-date=2022-06-14
 | quote=[A]n application server exposes business logic to client applications through various protocols}}</ref> For a typical [[web application]], the application server sits behind the [[Web server|web servers]].

An application [[software framework|server framework]] is a service layer model. It includes [[software]] components available to a [[software developer]] through an [[API|application programming interface]]. An application server may have features such as [[Computer cluster|clustering]], [[fail-over]], and [[load balancing (computing)|load-balancing]]. The goal is for developers to focus on the [[business logic]].<ref>{{cite book |last1=Ceri  |first1=Stefano |last2=Fraternali |first2=Piero |last3=Bongio |first3=Aldo |last4=Brambilla  |first4=Marco |last5=Comai |first5=Sara |last6=Matella  |first6=Maristella |date=2003 |title=Designing Data-Intensive Web Applications |publisher=[[Morgan Kaufmann]] |doi=10.1016/B978-1-55860-843-6.X5000-2 |isbn=1-55860-843-5}}</ref>