Friday, June 10, 2011

Liferay Introduction - Editions of Liferay

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Liferay Portal is one of the most flexible applications with regard to application server environment on the market today. You can install Liferay Portal on everything from a shared Tomcat installation to a multi-nodecluster running a commercial application server, and on everything in between. In fact, Liferay is used successfully in all of these scenarios every day.

Editions of Liferay
Liferay comes with different editions: Liferay Portal Community Edition (CE) and Liferay Portal Enterprise Edition (EE). CE is the Liferay Portal which is frequently updated and bursting with the latest features, the Community Edition of Liferay Portal is offered for free under the Lesser GNU public license, an open source license. This license gives you the flexibility to link Liferay with your own code in your portlet, theme, hook, layout, Ext, or web plugins, no matter what license you use for your code. If, however, you modify Liferay directly, those modifications need to be contributed back to the open source product. This is really the best of both worlds: you have the freedom to do what you want with your code, and Liferay receives the benefits of any enhancements that are made directly.
Liferay Portal EE is a supported version of Liferay Portal for the enterprise. Hardened for security and designed to be rock solid stable, EE is offered with a subscription and support package, allowing organizations to build their portals on a stable version of the product that is offered over an extended period of time. Because the release cycle for EE is longer than that for CE, each enterprise release is supported for 4 years. All bug fixes in Liferay Portal are backported to your version of Liferay for the duration of your subscription. This gives organizations the peace of mind that comes from knowing that their Liferay-powered web sites are stable and will run for years to come, enabling them to build their sites on a proven, stable platform. Additionally,
Liferay's professional services team offers training and consulting on the  Enterprise Edition to ensure long-term support and stability for our clients.

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