wearable computers have led to the evolution of Pervasive & Ubiquitous computing platforms. According to Peter Robinson [25], Ubiquitous and pervasive computing may be defined as the task of embedding small and mobile devices into existing IT and computing infrastructures, so that it allows users to access and manipulate information where and when it matters, even while on the move. The scope and use of web services will not limit us only to computers and mobiles but web services will be equally available in clothing, appliances, and in automobiles and much more. We need not evoke these services every time; they will work and perform their task themselves cooperatively and automatically. The involvement of user to devices to access and work would be almost nothing. For example, using the future web services we can find windows and curtains that check the weather and automatically open and close accordingly; home appliances that know our daily routines and preferences and communicate to each other to provide us with a more comfortable living [2]. As stated above, Web services would play an important role in this direction and device embeddable form of light weight web services will be required. The communication between different types of devices and the Web would be possible with the help of Service Oriented Architectures (SOA) and related technologies for ensuring cross-platform interoperability. Some leading software companies are working in this direction.