University of Karachi
The rise of the availability of mobile devices in the personal and professional domains leads to an increased need of middleware and organizational structures. Due to the recent improvement of the computing power of mobile devices, mobile users may now also act as service providers. The authors design a service-oriented architecture to introduce mobile virtual communities enabling wearable devices to be used also as service providers. The growing market of mobile devices, along with the ubiquitous availability of wireless and broadband access networks, opens a new era of market solutions. The sale of internet compatible devices is growing exponentially in recent years. For example, the sale of PDA units has reached the 17.7 million mark in 20061, a 25.4% increase over 2005.