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Multicast support in mobile commerce applications

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1 Author(s)
Varshney, U. ; Dept. of Comput. Inf. Syst., Georgia State Univ., Atlanta, GA, USA

Mobile commerce is an emerging discipline that involves mobile devices, applications, middleware, and wireless networks. Although most e-commerce applications can be modified to run in a wireless environment, m-commerce includes a wide range of new services ranging from locational advertising to mobile offices that are only possible with a wireless infrastructure. Among the many challenges m-commerce presents to network designers, service providers, vendors, and applications developers is providing support for multicast communications. Unlike broadcasting, in which everyone is sent a message, or replicated unicasting, in which messages are sent one by one to individual clients, multicasting involves sending messages to only a select group of mobile users. It thus avoids sending messages to too many users or using too many resources to send messages. The article presents five classes of m-commerce applications that require or can benefit from multicast support in wireless networks. Even among those requiring such support, specific requirements vary considerably. Reliability is an important requirement for many m-commerce applications, while real-time applications need low latency or a certain quality of service. Security is also a major concern in some instances

Published in:

Computer  (Volume:35 ,  Issue: 2 )