Sun’s Java 2 Enterprise Edition (J2EE)
provides excellent support for distributed
components and component reuse through the Enterprise JavaBeans technology (EJB).
Using this architecture, services can be implemented using a combination of Entity
Beans and Session Beans, with the service interfaces exposed through a Session
Bean.
To allow a service delivered via J2EE
to be accessed by non-J2EE compliant software,
each service may also provide a servlet to allow access via Web Services. (This servlet
could be written using a standardised agent code base that could be adapted to serve
multiple services.)
