Sensitivity of SWAN QoS model in MANETs with proactive and reactive routing: a simulation study

Abstract

In this article, 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) realtime (RT) applications in SWAN-enabled mobile ad hoc networks experience low and stable delays under various traffic and mobility environment at the expense of best-effort (BE) traffic, (ii) SWAN model works compatibly with proactive as well as reactive routing protocols, and (iii) a careful choice of SWAN AIMD parameters is important to balance the throughput of the BE traffic and RT traffic and QoS provisions in MANETs.

Symptotics: a framework for estimating the scalability of real-world wireless networks

“…Regular networks have been analyzed in [19,20] for stability and capacity, albeit with specific focus on capacity regions [19] or impact of buffer sizes [20]. Related work for our impact analysis methodology is sensitivity analysis, which has been studied using simulation [21], and analytically using Automated Differentiation techniques in [22]. Some of these works consider real-world aspects, but focus on specific protocols or issues (e.g.…”

Comparative Review of QoS-Aware On-Demand Routing in Ad Hoc Wireless Networks

“…In [15], a hybrid approach (incorporating DiffServ) is proposed to achieve performance gain in most of the traffic load conditions using SWAN model. A comprehensive simulation study is reported in [16] that is based on the SWAN model in MANET environment. We can conclude that SWAN tries to maintain delay and bandwidth requirements of RT traffic by admission control of UDP traffic and rate control of TCP and UDP traffic.…”