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Bandwidth Reservation Approach to Improve Quality of Service in Software-Defined Networking: A Performance Analysis - 2018

Bandwidth Reservation Approach to Improve Quality of Service in Software-Defined Networking:A Performance Analysis

Research paper on Bandwidth Reservation Approach to Improve Quality of Service in Software-Defined Networking: A Performance Analysis

Research Area:  Software Defined Networks

Abstract:

Software-Defined Networking (SDN) is a new networking paradigm designed to resolve traditional IP network shortcomings by breaking the vertical integration of control and data planes. SDN separates the network control logic from underlying routers and switches and introduces the ability to program the network. Bandwidth reservation is an approach offered in SDN-enabled networks to guarantee relatively high Quality of Service for different types of media, e.g., video, audio or data. Although, this approach has been proven to be worthy of considering in SDN, there are still some concerns regarding its applicability in a relatively large networks. In this paper, we have evaluated the performance of bandwidth reservation approach in a relatively large-scaled SDN-enabled network in terms of its suitability when the number of users demanding for reserved bandwidth becomes larger. The obtained results from our simulation study show that bandwidth reservation can be beneficial only when the number of users asking for guaranteed bandwidth is relatively smaller than other users. Moreover, higher end-to-end QoS delivery can be achieved as an immediate outcome of deploying bandwidth reservation approach for a particular type of traffic flow, however, at the cost of incurring negative impact on other types of traffic flow in terms of achievable network throughput.

Keywords:  
Bandwidth
Quality of Service
Software-Defined Networking

Author(s) Name:  Amir Hossein Moravejosharieh; Michael J. Watts; Yu Song

Journal name:  

Conferrence name:  2018 15th International Joint Conference on Computer Science and Software Engineering (JCSSE)

Publisher name:  IEEE

DOI:  10.1109/JCSSE.2018.8457339

Volume Information: