Application Server Software
Application Server Software TrustMap
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IBM WebSphere Application Server provides... an application server and infrastructure.
Application Server is an expanded server role in the Windows Server® 2008 operating system. It provided an integrated environment for deploying and running custom, server-based business applications. These applications respond to requests that arrive over the network from remote…
Payara Server is a fully supported, developer-friendly, open source application server. The vendor says Payara Server’s architecture is innovative, cloud-native and optimized for production deployments. The application server is built and supported by a team of DevOps engineers dedicated…
Bitnami provides packaged applications for any platform, via the Bitnami Application Catalog. The Bitnami application automation platform delivers and maintains a catalog of 130+ ready-to-run server applications and development environments in partnership with cloud providers including…
The Pivotal tc Server (formerly VMware vFabric tc Server) is a Lightweight Java application server that extends Apache Tomcat for use in large-scale mission-critical environments.
TIBCO GridServer is presented by the vendor as a market-leading infrastructure platform for grid and elastic computing—and the backbone of businesses operating in the world's most demanding markets. TIBCO boasts more than a million CPUs spread across a thousand global installations…
What is Application Server Software?
An Application Server provides services and infrastructure for developing, deploying, and running applications.
Application Server Software Features & Capabilities
Ease of download and installation
Support for a number of different programming environments or IDEs
Simultaneous support for multiple applications
Adequacy of documentation and user community vibrancy
Overall performance including deploy time, initialization time etc.
Compliance with open standards like Java EE and DSHi
Administration console for managing application and environment
Application servers are server programs in a computer in a distributed network that provide the business logic for an application program. As such they are the middle tier of a standard three-tier architecture.
In a three-tier client/server architecture, the application tier sits between the presentation tier and the data tier. The presentation tier displays information related to services available on a website. The backend data tier houses database servers where information is stored and retrieved. Data in this tier is kept independent of application servers or business logic.
In other words, when there is a request from the client, the application server process the business logic and makes a call to the database to retrieve the relevant data.
Application Server vs. Web Application Server
An application server is distinct from but often works in conjunction with, a web application server. A web server can only handle HTTP requests, while an application server can serve business logic via many different protocols. In a standard setup, the web server receives a request from the GUI or front end and then sends that request to the application server for business logic processing before it is sent back to the web application server and then back to the user via a modified web form.
In addition to processing application business logic, application servers have another function. They often simplify the building of client applications by providing the building blocks that help create the applications themselves. The best-known example is Java Beans in the J2EE environment. Indeed, application servers are closely associated with the J2EE standard. J2EE is an enterprise level Java application development platform.
Some applications like Apache Tomcat are open source. Commercial enterprise-level application server platforms are on-prem licensed software, and pricing starts at around $7,000.