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Sensors 2010, 10(11), 10006-10013; doi:10.3390/s101110006

A QoS Scheme for a Congestion Core Network Based on Dissimilar QoS Structures in Smart-Phone Environments

1 Dept. of General Education, Namseoul University, 21 Maeju-ri, Seonghwan-eup, Seobuk-gu, Cheonan-city, Choongnam, 331-707, Korea 2 Electronic Commerce Research Institute, Dongguk University, 707 Seokjang-dong, Gyeongju, Gyeongsangbuk-do, 780-714, Korea
* Author to whom correspondence should be addressed.
Received: 25 September 2010 / Revised: 20 October 2010 / Accepted: 25 October 2010 / Published: 9 November 2010
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This study suggests an approach to effective transmission of multimedia content in a rapidly changing Internet environment including smart-phones. Guaranteeing QoS in networks is currently an important research topic. When transmitting Assured Forwarding (AF) packets in a Multi-DiffServ network environment, network A may assign priority in an order AF1, AF2, AF3 and AF4; on the other hand, network B may reverse the order to a priority AF4, AF3, AF2 and AF1. In this case, the AF1 packets that received the best quality of service in network A will receive the lowest in network B, which may result in dropping of packets in network B and vice versa. This study suggests a way to guarantee QoS between hosts by minimizing the loss of AF packet class when one network transmits AF class packets to another network with differing principles. It is expected that QoS guarantees and their experimental value may be utilized as principles which can be applied to various mobile-web environments based on smart-phones.
Keywords: smart-phone; traffic classification; Diffserv; QoS; multimedia content smart-phone; traffic classification; Diffserv; QoS; multimedia content
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Hong, S.-R.; Na, W.; Kang, J.-M. A QoS Scheme for a Congestion Core Network Based on Dissimilar QoS Structures in Smart-Phone Environments. Sensors 2010, 10, 10006-10013.

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