Web services have evolved from plain application-integration enablers to
value-added stand-alone functionality providers such as getting a quote to a
comprehensive business function like processing orders. Enterprises are
exploiting this new revenue model by offering such business functions as
services on usage basis. Information sharing instances such as Amazon's
e-commerce services have helped in the creation of new powerful solutions
using business functions as services.
Why Do We Need Adaptation in Web Services?
In the vision of e-business, it becomes important to address the dynamic
nature of business environments. As third parties access more and more
business functions, the richness of Web services offered should be adequately
addressed. With Web services having t... (more)
Web-based applications have been used widely and are quite popular - from
booking tickets to checking e-mail, they are all Web-based. As the popularity
of and demand for Web-based applications has grown, users expectations have
also grown.
Users want their Web interfaces to be robust and they want instantaneous
reactions. The present Web-based applications are typically
client/server-ba... (more)
Provisioning is the automation of all the steps required to manage user
accounts or system access facilities or data relative to electronically
published services.
The Provisioning Services Technical Committee (PSTC) at OASIS, the premier
standards body for SOA-related standards, defined an XML-based framework
named Service Provisioning Markup Language (SPML) for exchanging user
informa... (more)