Average Bandwidth Allocation Model of WFQ

Balogh, Tomáš; Medvecký, Martin

doi:10.1155/2012/301012

Cited by 10 publications

(7 citation statements)

References 5 publications

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“…Using the admission control methods is possible to propose an access control model, which will provide QoS [4][5][6][7][8][9][10]. Created models can be used separately, or they can complement each other (in order to achieve better QoS).…”

Section: Admission Control Methodsmentioning

confidence: 99%

Admission Control Methods in IP Networks

Chromy

Jadron

Behul

2013

Advances in Multimedia

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Telecommunications operators and research institutions pay close attention to the issue of quality of service. The paper deals with methods of admission control in IP networks, which is only one of the subsets of quality of service. There are two large groups of AC methods: parameter-based admission control and measurement-based admission control. The core of the paper is simulation of AC methods and algorithms for topology model in MATLAB. Our simulations are mainly focused on required bandwidth and loss rates. At the end of the paper there are compared results of simulations.

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Section: Admission Control Methodsmentioning

confidence: 99%

Admission Control Methods in IP Networks

Chromy

Jadron

Behul

2013

Advances in Multimedia

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“…For these goals two functions are defined: Class-type (CT) and bandwidth constraint (BC). For the mapping between BCs and CTs the maximum allocation model (MAM), max allocation with reservation (MAR), and Russian dolls model (RDM) are used [13].…”

Section: Mpls Traffic Engineeringmentioning

confidence: 99%

Performance Evaluation of Real Time Traffic over MPLS Networks under Different QoS Conditions

Fathy

El-Sayed

Elramly

2013

International Conference on Aerospace Sciences and Aviation Tec

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One of the most crucial problems in the Internet has been the quality of service (QoS) provisioning. Multiprotocol Label Switching (MPLS) technology guarantees real time and multimedia applications QoS using different resource allocation techniques. Also MPLS contributes high scalability in data network. This paper aims to evaluate MPLS performance based on multimedia service average throughput, total number of packets received, end to end delay, jitter, and packet loss ratio using OPNET simulator. It also compares MPLS network performance to that provided by IP networks. This study shows the scalability of MPLS by simulating small and large networks under different loading conditions. The simulation also shows the performance of different MPLS QoS configurations.

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“…In priority queueing (PQ), higher priority traffic is transmitted before lower priority traffic, with separate buffers for each class of traffic. Weighted Fair Queueing (WFQ) allocates an equal share of the bandwidth for each flow according to the weight attributed to it [14]. The Class Based Weighted Fair Queueing (CBWFQ) is an advanced form of WFQ that supports user defined traffic classes.…”

Section: Introductionmentioning

confidence: 99%

A Flow-Level Performance Evaluation of Elastic Traffic Under Low Latency Queuing System

Boussada

Frikha

Garcia

2018

2018 IEEE 32nd International Conference on Advanced Information Networking and Applications (AINA)

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Internet tends progressively to be more interactive by supporting real-time communications into this packet-based environment. It is anticipated that online applications will rapidly develop and contribute by a significant amount of traffic in the near future. These applications have strict requirements in terms of delay and throughput which can't be met only if they are prior. However, at high demand of real-time traffic, elastic traffic (which is transported generally by TCP) may not have sufficient resources to be transported with reasonable quality of service (QoS). Therefore, it is primordial to manage properly the resource-network in order to provide the QoS required by both each type of services. In this paper, we present a new fluid model to evaluate the performance of elastic traffic under Low Latency Queuing (LLQ) system combining a priority queue for delaysensitive applications with a number of Class Based Weighed Fair Queues (CBWFQ) for elastic traffic. The originality of our contribution consists on focusing on the average total number of flows passing through the whole system by approximating it as a lossless best effort system with total load equal to the total carried load of the original system (no blocked load). The core of our analysis is based on some approximations proven for balanced fairness allocation, which provides a reasonable framework for estimating bandwidth sharing among elastic traffic for best effort allocations. Results issued from this allocation are then exploited to deduce the performance of CBWFQ system. Detailed packet level simulations are used to verify the effectiveness and the accuracy of our analysis. The approach presented in this paper allows a rapid performance evaluation of elastic or rate-adaptive traffic circulating in the actual networks.

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Average Bandwidth Allocation Model of WFQ

Cited by 10 publications

References 5 publications

Admission Control Methods in IP Networks

Admission Control Methods in IP Networks

Performance Evaluation of Real Time Traffic over MPLS Networks under Different QoS Conditions

A Flow-Level Performance Evaluation of Elastic Traffic Under Low Latency Queuing System

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