Post by b***@hotmail.com1- what the difference between IBM websphere application server and any
other popular application servers?
Does "any other popular application server" also include non-J2EE
application frameworks (like Spring) and non-Java (like .Net) ?
Even if focusing only on J2EE application servers, leaves with a large
market. There are 16 products listed on the 1.4 compatible implementations
list (http://java.sun.com/j2ee/compatibility_1.4.html).
You could also ask several vendors to come present you their products.
Post by b***@hotmail.com2-what the advantages and disadvantages of the IBM websphere application
server itself?(not comparing to any other application servers)
You always need a comparison point to give pro's and con's.
An advantage can be a disadvantage. E.g. an enterprise-class product is an
advantage for a large company because it's full-featured, but can be a
disadvantage for a small company because it'd be too complex for them.
Post by b***@hotmail.com3-i mean who to use? is it easy to use for the bigginers?
I'm not a beginner anymore and it's difficult for me to say what is
difficult after years of using the product.
I see however the product much evolved since I begun working with it.
E.g. there is much more public documentation, especially since WAS 5 (see
InfoCenter, Getting Started manuals, Redbooks, developerWorks, IBM Education
Assistant, etc).
Yes. There is a complete Redbook describing on WebSphere High-Availability.
Post by b***@hotmail.comis it useful for everybody? (that kind of informations)
What can I say ? At least, it is useful for those who have the need for a
J2EE Application Server.
Post by b***@hotmail.com4-a diagrams showing how it is work? the structure?
See the InfoCenter, there are topology diagrams (how the product can be
deployed) and how the product is architected (Learn about WebSphere >
Overview and new features > Product architecture).
Post by b***@hotmail.comand examples of real use of it by companies, industries, ... etc
See the "success stories" link on the WebSphere product page.
Post by b***@hotmail.comthanks again and i hope you could help me with this
Basically, you're asking for a market study and product comparison. This is
a job of itself. There is few chance someone will make it for you in his
free time. However, they can answer specific questions about the product.