Exploring Source Routing as an Alternative Routing Approach in Wide Area Software-Defined Networks
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Software-Defined Networking has been gaining increasing attention in both research and industry communities. Separating the control and data planes has brought many advantages such as greater control plane programmability, more vendor independence, possibility of network virtualization, and lower operational expenses. SDN deployments are possible in a variety of contexts: Enterprise networks, Datacenter networks, and WANs. However, SDN raises several concerns for WANs including performance limitations due to the larger propagation delays, the increased controller work load due to a larger number of network elements, and concerns about performance impacts of the controller placement. This study attempts to address some of these issues by examining the effects of using source routing as an alternative to traditional distributed routing in SDN-based WANs. Our simulations and analysis show that source routing can bring significant gains in SDN performance in WANs, improve network scalability, and reduce network performance sensitivity to controller placement.
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Copyright © 2015 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2015
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soliman-exploringsourceroutingasanalternativerouting.pdf | 2023-05-04 | Public | Download |