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Eighth International Network Conference (INC 2010)
Title: Enabling Push-based Mobile Web Services for Today’s Cell Phone Provider Networks
Author(s): Sascha Roth
Keywords: Mobile Web Services, Scalability, Energy Consumption
Abstract: Increased processing power and connectivity enable an integration of mobile
devices into enterprise applications. The de facto standard for an enterprise integration
is Web Service technology. Notifying devices of business events requires establishing
an inbound connection to the devices. While establishing connections from mobile
devices to enterprise systems is straight forward, the inverse way is restricted as cell
phone provider networks are applying Network Address Translation assigning private
IP addresses to connected devices. This paper introduces enabling technologies, which
significantly simplify an enterprise integration of mobile devices facing issues like
frequently changing IP addresses, NAT and limited device energy. To achieve that, a
scalable Tunnel Proxy is introduced offering location transparency for mobile Web
Services. Furthermore, the proposed solution is implemented based on a concrete
application scenario. Finally, the implementation is evaluated with respect to energy
consumption and scalability.
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