The International Arab Journal of Information Technology (IAJIT)

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New Class-based Dynamic Scheduling Strategy for Self-Management of Packets at the Internet

Routers,
Recently, the Internet became the most important environment for many activities including sending emails, browsing web sites, making phone calls and even having a videoconference for far education. The incremental growth of the internet traffic leads to a serious problem called congestion. Several Active Queue Management (AQM) algorithms have been implemented at the internet routers to avoid congestion before happening and solve the congestion if it happens by actively controlling the average queue length in the routers. However, most of the developed algorithms handle all the traffics by the same strategy although the internet traffics, real time and non-real time; require different Quality of Service (QoS). This paper presents a new RED-based algorithm, called Dynamic Queue RED (DQRED), to guarantee the required QoS of different traffics. In the proposed algorithm, three queues are used in the internet router; one queue for each traffic type (data, audio and video). The arrived packets are first queued in the corresponding queue. The queued packets are then scheduled dynamically according to the load (the number of queued packets) of each class type. This strategy guarantees QoS for real time applications as well as service fairness.


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[24] Zhou K., Yeung K., and Li V., “Nonlinear RED: A Simple Yet Efficient Active Queue Management Scheme,” Computer Networks, vol. 50, no. 18, pp. 3784-3794, 2006. Hanaa Mohammed graduated in 2000, from the Department of Electronics and Electrical Communications Engineering, Tanta University, Egypt, and she prepare to receive her M.Sc degree this year in computer science and engineering from Faculty of Electronic Engineering, Menoufiya University, Egypt. Her research interests are in the field of computer networks including congestion control, routing, mechanisms for resource management and QoS. Gamal Attiya graduated in 1993 and obtained his M.Sc. degree in computer science and engineering from Menoufia University, Egypt, in 1999. He received PhD degree in computer engineering from University of Marne-La-Vallée, Paris-France, in 2004. He is currently associate professor at Computer Science and Engineering department, Faculty of Electronic Engineering, Menoufia University, Egypt. His main research interests include distributed computing, task allocation and scheduling, cloud computing, Big Data analysis, computer networks and protocols, congestion control, QoS, and multimedia networking. Sami El-dolil received the B. Sc. and M. Sc. degrees in electronic engineering from Menoufia University, Menouf, Egypt, in 1977and 1981, respectively. In 1986 he joined the Communication Research Group at Southampton University, Southampton, England, as a research student doing research on teletraffic analysis for mobile radio communication. He received the Ph. D degree from Menoufia University, Menouf, Egypt, in 1989. He was a Post Doctor Research Fellow at the Department of Electronics and Computer Science, University of Southampton, UK, 1991-1993. From 1994 to 2008 he worked as an Associate Professor, and since 2008 up to now he is working as a professor at the Department of Electronics and Electrical Communication, Faculty of Electronic Engineering, Menoufia University. His current research interests are in High-capacity digital mobile System, and multimedia networks, Telecommunication network spectrum management, planning and optimization.