Hi. Arguably, JBoss AS is the leading application server in the market. What differentiate GlassFish from other open source application servers (JBoss and Geronimo) and the commercial ones (WebLogic, WebSphere) ? Even though Geronimo is an outstanding application server, JBoss is the dominant. How to sell GlassFish to out managers/customers? Thanks.
If Sun already provides support for GlassFish, why I should consider SJSAS? AFAIK, GlassFish offers clustering and session replication and other advanced features.
I dont think Sun offers free support for open source version.
Joined: Jul 08, 2004
I totally agree with you when you said that giving the same product two names can cause confusion.
GlassFish and SJAS are one and the same, the only differences are SJAS includes a graphical installer (GlassFish comes with a command line installer in the form of an executable JAR file) and SJAS has support.
When I said GlassFish is supported I meant SJAS (they are, after all, one and the same).
Q: What is the difference between GlassFish and Sun's distribution?
Very little. There is a High Availability Database (HADB) tier and NSS (security) that are not open source. HADB offers 5-9s availability. For most people, in-memory replication that is currently available in GlassFish V2 is good enough. In-memory replication is very easy to setup with almost zero configuration. HADB is heavier. If you are interested in HADB, you may use it from sun.com page. It is also free!