Simon Pepper

The future of application servers, including WebSphere, lies in refining functionality that allows applications to be treated as services. This includes allowing future applications to be reusable as well as interoperable with older standards-based applications, such as CORBA. It is easy to discuss, but the actual act of integrating services can be extremely complicated. This article will discuss interoperability between Web services, J2EE, and CORBA from Windows, through Unix to the mainframe, highlighting: The exposure of Enterprise JavaBeans (EJBs) as Web services The exposure of CORBA objects as Web services The interoperability of CORBA and Enterprise JavaBeans: CORBA calling EJBs, EJBs calling CORBA Transactional interoperability, which becomes increasingly important as more computer languages are developed Security (including HTTPS, SAML/XKML, CSIv2, TLS/SSL, ... (more)