Scalable service gateway architecture for mobile SaaS platforms

New schemes such as SaaS and PaaS that let users access services over networks are widely used. Moreover, network operators must provide value-added services that enable service providers to create new services promptly and maintain performance as the number of service providers and users increases. To meet these requirements, we proposes a service gateway, which handles user messages (e.g., rewrites the message destination) on the basis of the user location, and a scalable control scheme for the SGW. And we implemented a prototype system to confirm scalability.