WebSphereWebSphere

Diego Leone

SummarySummary

Story and birthWhat is WebSphere?/GoalsMain featuresAdvantages/DisadvantagesConclusions

WebSphere’s birth and storyWebSphere’s birth and story

IBM’s productits roots are in the mid-1990sbased on Java programming languageIBM launched WebSphere in 1998gained momentum with on-demand

business (2002)

WebSphere GoalsWebSphere Goals

integrate all of a company’s existing data give a Web front-end support for business processes

– respond to market fluctuations and new industry supply chain requirements in realtime.

build interactive Web-oriented applications support business functions needed for e-

commerce

What is WebSphere?(1)What is WebSphere?(1)

a set of software products

What is WebSphere?(2)What is WebSphere?(2)

middleware applicationtrasforms the old business into SOA is J2EE certifiedimplements three tier architectures

What is WebSphere?(3)What is WebSphere?(3)

composed of:– server software – development products

this two parts are bundled into packages

The foundation of the software is WebSphere Application Server (WAS)

What is WebSphere?(4)What is WebSphere?(4)

Four different sizes:– Small– Medium– Large– Super Size

A Company chooses the size according to its needs

What are its main features?(1)What are its main features?(1)

It works across all of its different operating systems and applications

Unify the company’s management

What are its main features?(2)What are its main features?(2)

Modular options:– There are different tools that can be added to

WAS– Different tools help the different audiences

Example:– for Web-site developers

– for application developers

What are its main features?(3)What are its main features?(3)

run code that enables business application– Example:

Run many EJBs and Servlet within WAS

realizes multi-tier applications– Example

WebSphere ArchitectureWebSphere Architecture

WebSphere’s ArchitectureWebSphere’s Architectureexampleexample

Some hardware requirementsSome hardware requirements

quite modern PCsadvised IBM zSeries

N.B.: differences between Server and Client

Some software requirementsSome software requirements

Operating System: Windows XP Professional SP1a Linux Sun Solaris Other…

A lot of applications are included (HTTP server)

HTTP serverHTTP server

WebSphere HTTP plug-in for the HTTP server. uses an easy-to-read XML configuration file to

determine whether a request is handled by the Web server or the Application Server.

uses the standard HTTP protocol to communicate with the Application Server

uses secure HTTPS for the configuration, if required

What are advantages?(1)What are advantages?(1)

installation and customization are simple for administrative task

very good when it’s readythere are a lot of useful tools:

Example: Click heregives lot and lot of integrationgives good Web SiteIBM gives a complete assistance…

What are advantages?(2)What are advantages?(2)

Business features:– simplifies the attainment of the “time to market”– gives only point of administration– simplifies the communication inside the

company

What are disadvantages?What are disadvantages?

installation and customization aren’t so simple

not a good product for little company (under 1000 employees)

the tools have to be put together

Conclusions(1)Conclusions(1)

IBM is using its size to become the leaderThere are other products:

– BEA System– SAP – Windows Server System (.Net and Windows

Server 2003) [best for the smaller company]

Conclusions(2)Conclusions(2)

using WS, Don Sloan (Kforce) reduces the time required for its applicant matching process from two or three days to less than an hour

WebSphere costs a lot of money……

BibliographyBibliography

http://www.ibm.comhttp://advisor.comhttp://www.redbooks.ibm.com/redbooks/

pdfs/sg246176.pdfhttp://www.redbooks.ibm.com/redpapers/

pdfs/redp3601.pdf