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Although RED has been widely used with TCP, however it has several known drawbacks [1]. The BLUE algorithm that benefits from a different structure has tried to compensate some of them in a successful way [2]. A quick review on active queue management algorithms from the very beginning indicates that most of them tried to improve classic algorithms. Some of them use network traffic history to achieve...
A finite-source queuing model is very useful in determining performance equations, probability of delay of users who queue for a free server when all servers are busy. The aim of this paper is to critically examine and analyze Stevens' and Sinclair's equation to show that it is a performance equation for the probability of delay in private mobile radio (PMR) systems. We analyze such an equation mathematically...
It is desirable to be able to combine ease of implementation of a network with the ability to analyze the properties of the network. In order to address this we present a MAC protocol where the network acts as a FIFO, and examine the resulting properties of the network using both a theoretical study of the waiting times and a simulation experiment. It turns out that this type of protocol would allows...
In this paper, an active queue management (AQM) for TCP flows is designed by means of Lyapunov theory. To this end, we choose a non conservative Lyapunov candidate function which allows knowing how the marking/droping process should be done to achieve stability. This design leads to an AQM based on rate mismatch which insure responsiveness to the variation of the network's characteristics, and is...
This paper examines the call set-up delay (CSD), a performance parameter that may be used in specifying, measuring, and comparing the speed of call set-up processing in networks that employ the session initiation protocol (SIP), in establishing and terminating media sessions (calls) between users. One of the most important standardized technologies that use SIP in this way is the IP multimedia subsystem...
Virtual computing lab (VCL) initiated at North Carolina State University (NCSU), is a virtualized, distributed and on-demand computing service architecture provided through Internet. As VCL related activities scale up to many adjacent states as well as to other countries including Canada and India, improving the system efficiency and utilization becomes an important consideration. In this paper, we...
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