Core to this is the servlet 2.5 technology using the open-source Jetty Web Server, along with accompanying technologies such as JSP. Google App Engine supports many Java standards and frameworks. Third-party libraries written in pure Python may also be uploaded. Any Python framework that supports the WSGI using the CGI adapter can be used to create an application the framework can be uploaded with the developed application. Python web frameworks that run on Google App Engine include Django, CherryPy, Pyramid, Flask, web2py and webapp2, as well as a custom Google-written webapp framework and several others designed specifically for the platform that emerged since the release. NET, and Ruby applications, although it can also support other languages via 'custom runtimes'. Google App Engine primarily supports Go, PHP, Java, Python, Node.js. Supported features/restrictions Runtimes and framework

It was first released as a preview version in April 2008 and came out of preview in September 2011. Fees are charged for additional storage, bandwidth, or instance hours required by the application. The service is free up to a certain level of consumed resources and only in standard environment but not in flexible environment. App Engine offers automatic scaling for web applications-as the number of requests increases for an application, App Engine automatically allocates more resources for the web application to handle the additional demand. Applications are sandboxed and run across multiple servers. Google App Engine (often referred to as GAE or simply App Engine) is a cloud computing platform as a service for developing and hosting web applications in Google-managed data centers.

Cloud-based web application hosting service

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