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Discovering the architecture of geo-located web services for next generation mobile networks

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2 Author(s)
Linwa, A.C.B. ; Mobile Comput. & Networking Res. Lab., Ecole Polytech. de Montreal, Que., Canada ; Pierre, Samuel

As many geo-located Web services will be deployed in the future, mobile clients will be interested in locating a specific application server based on requirements such as proximity, service cost per location area, bandwidth, and server utilization rates. This paper presents a middleware system called GLWSA (Geo-Located Web Services Architecture) that aims to satisfy these requirements in addition to providing a thematic factorization of common location functions in order to locate mobile clients. The GLWSA supports a set of GLWSMs (Geo-Located Web Services Manager) distributed over the mobile network. It defines protocols to discover and inform a Supplier Application Server (SAS) to migrate the service execution (from a specific client) to the nearest SAS based on the client's location. This architecture is suitable to assist mobile clients to discover the geo-located Web services and to maintain the service execution closest to their location.

Published in:

Mobile Computing, IEEE Transactions on  (Volume:5 ,  Issue: 7 )