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WebSphere

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IBM is using its size to become the leader. There are other ... a wizard for creating servlets. J2EE EAR deployment support. WebSphere Studio Workbench: ... – PowerPoint PPT presentation

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Title: WebSphere


1
WebSphere
  • Diego Leone

2
Summary
  • Story and birth
  • What is WebSphere?/Goals
  • Main features
  • Advantages/Disadvantages
  • Conclusions

3
WebSpheres birth and story
  • IBMs 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)

4
WebSphere Goals
  • integrate all of a companys 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

5
What is WebSphere?(1)
  • a set of software products

6
What is WebSphere?(2)
  • middleware application
  • trasforms the old business into SOA
  • is J2EE certified
  • implements three tier architectures

7
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)

8
What is WebSphere?(4)
  • Four different sizes
  • Small
  • Medium
  • Large
  • Super Size
  • A Company chooses the size according to its needs

9
What are its main features?(1)
  • It works across all of its different operating
    systems and applications
  • Unify the companys management

10
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

11
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

12
WebSphere Architecture
13
WebSpheres Architectureexample
14
Some hardware requirements
  • quite modern PCs
  • advised IBM zSeries
  • N.B. differences between Server and Client

15
Some software requirements
  • Operating System
  • Windows XP Professional SP1a
  • Linux
  • Sun Solaris
  • Other
  • A lot of applications are included (HTTP server)

16
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

17
What are advantages?(1)
  • installation and customization are simple for
    administrative task
  • very good when its 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

18
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

19
What are disadvantages?
  • installation and customization arent so simple
  • not a good product for little company (under 1000
    employees)
  • the tools have to be put together

20
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

21
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

22
Bibliography
  • http//www.ibm.com
  • http//advisor.com
  • http//www.redbooks.ibm.com/redbooks/pdfs/sg246176
    .pdf
  • http//www.redbooks.ibm.com/redpapers/pdfs/redp360
    1.pdf

23
J2EE
  • The standard for developing, deploying, and
    running enterprise applications

24
A three Tier Architecture
25
Middleware
  • Middleware is what on demand business demands
    (IBM)
  • middleware is the goo that helped companies get
    out of the porting game.

26
Glossary(1)
  • E-business on demand the idea of paying only for
    the IT and business processes you need, when you
    need them
  • Service Oriented Architecture (SOA)

27
Glossary(2)
  • EAR files - Enterprise application archive
    consisting of JAR files (EJB, Java code) and XML
    configuration files.

28
Glossary (3)
  • Enterprise JavaBeans are server-side components
    that use services such as life-cycle management,
    transactions, security, database connectivity,
    and more. They provide application business logic
    and data access.
  • Servlets and JavaServer Pages are server-side
    components used to respond to requests from HTTP
    clients. They provide presentation and control
    client interaction with applications.

29
Tool examples(1)
  • WebSphere Studio
  • unit test environment
  • visual editors
  • user interface for the latest Web technology
  • a wizard for creating servlets
  • J2EE EAR deployment support
  • WebSphere Studio Workbench
  • open tool
  • implements the same functionality of Eclipse

30
Multi-tier Application Example
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