240 likes | 279 Vues
WebSphere. Diego Leone. Summary. Story and birth What is WebSphere?/Goals Main features Advantages/Disadvantages Conclusions. WebSphere’s birth and story. IBM’s product its roots are in the mid-1990s based on Java programming language IBM launched WebSphere in 1998
E N D
WebSphere Diego Leone
Summary • Story and birth • What is WebSphere?/Goals • Main features • Advantages/Disadvantages • Conclusions
WebSphere’s birth and story • IBM’s product • its roots are in the mid-1990s • based on Java programming language • IBM launched WebSphere in 1998 • gained momentum with on-demand business (2002)
WebSphere 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) • a set of software products
What is WebSphere?(2) • middleware application • trasforms the old business into SOA • is J2EE certified • implements three tier architectures
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) • Four different sizes: • Small • Medium • Large • Super Size A Company chooses the size according to its needs
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) • 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) • run code that enables business application • Example: Run many EJBs and Servlet within WAS • realizes multi-tier applications • Example
Some hardware requirements • quite modern PCs • advised IBM zSeries N.B.: differences between Server and Client
Some software requirements Operating System: • Windows XP Professional SP1a • Linux • Sun Solaris • Other… A lot of applications are included (HTTP server)
HTTP 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) • installation and customization are simple for administrative task • very good when it’s ready • there are a lot of useful tools: Example: Click here • gives lot and lot of integration • gives good Web Site • IBM gives a complete assistance…
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? • 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) • IBM is using its size to become the leader • There are other products: • BEA System • SAP • Windows Server System (.Net and Windows Server 2003) [best for the smaller company]
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……
Bibliography • http://www.ibm.com • http://advisor.com • http://www.redbooks.ibm.com/redbooks/pdfs/sg246176.pdf • http://www.redbooks.ibm.com/redpapers/pdfs/redp3601.pdf