Table 1 - uploaded by Alagan Anpalagan
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![Figure 1: SWAN model adapted from [11].](profile/Alagan-Anpalagan/publication/221279857/figure/fig5/AS:668741578788880@1536451825558/SWAN-model-adapted-from-11_Q320.jpg)
In this paper, one of the QoS models for MANETs-SWAN is studied under varying conditions to provide both quantitative and qualitative assessments of the applicability of the model in different scenarios. Results and analysis from NS-2 based simulation indicate that (i) real-time (RT) applications in SWAN-enabled mobile ad hoc networks experience lo...
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... average hop counts for both RT traffic and non-RT traffic vary between 2 and 3. The simulation parameters are summarized in Tables 1 and 2. Rate control of BE traffic: Each node in the mobile ad hoc network independently regulates BE traffic using AIMD rate control algorithm [11] based on feedback from MAC. ...
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Citations
... Differentiated Services or DiffServ is a computer networking architecture that specifies a simple, scalable and coarse-grained mechanism for classifying and managing network traffic and providing Quality of Service (QoS) on modern IP networks[2]. DiffServ can, for example, be used to provide low-latency to critical network traffic such as voice or streaming media while providing simple best-effort service to non-critical services such as web traffic or file transfers. ...
A Mobile Ad hoc NETwork (MANET) is a collection of mobile hosts forming a temporary network on the fly, without using any fixed infrastructure. Characteristics of MANETs such as lack of central coordination, mobility of hosts, dynamically varying network topology, and limited availability of resources make QoS provisioning very challenging in such networks. In this paper a comprehensive review on some Quality of Service issues in MANET has been presented.
In this paper a comprehensive review on some of the very recent works on Quality of Service issues in MANET has been presented. Although MANET has been initially proposed for disaster recovery and military communication, in today's world it has reached the civilians in all pervasive manner. QoS support is required to satisfy the growing need for multimedia technologies and commercial applications. More than 70% of the works referred and critically reviewed in the paper have been published in last five years. The papers sited here are particularly rich with novel ideas and thorough implementations. However, the limitations and sometimes restricted scope of these works are highlighted here. The motivation is not to underrate these excellent works, but to open up the scope of further improving the state of the art scenario for the future researchers. Qualitative evaluation on individual approaches followed by comparative analysis of simulation results would ease the task of researchers who intend to work in this area.
Mobile Ad hoc Network (MANET), a collection of nodes that form a multi-hop wireless network, is emerging as an important technology in the present and near future. With the expansion of realtime applications for this type of networks, the need for quality of service (QoS) support has become essential. This paper deals with current QoS models for MANETs. We will propose a modification of Stateless Wireless Ad hoc Networks model (SWAN) in order to improve QoS performance and will provide our simulation results.
