Web Services

7/12/2005
Web Services
Introduction à l’aide d’un exemple
Urs Richle

Problématique
Linux
Windows
Data
MySQL
Data
Postgre
SQL
Data
Oracle
Data
Access
Mac
ASP
PHP
Java
Applet
JSP
Servlet
...
HTML
XHTM
CSS
XML
SVG
XTM
...
Réponse
Requête
IIS
Apache
Tomcat
...

Problématique
Apache
Workstation
IIS
MySQL
Access
Tomcat
Postgres
SQL

Problématique: comment interagir?
Service Provider
Data
Service Provider
Server
Data
Service Provider
Server
Data
Service Provider
Server Server
Data
Service Provider
Servers
Data
Data
Service Provider
Server
Data
Server
Workstation
Workstation
Laptop
ASP PHP
JAVA
Python
C++
MySQL
Oracle
PostgreSQL
Access BD-XML
VB
Oracle

Web Services
Définition:
« Web Services are software applications that can be
discovered, described, and accessed based on XML and
standard Web protocols over intranets, extranets, and the
Internet. »
Michael C. Daconta, Leo J. Obrst, Kevin T. Smith dans: THE SEMANTIC WEB, Wiley, Indianapolis, 2003
But:
Permettre l’interopérabilité entre des applications diverses.