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Improving Software Defined Network controllers in a multi-vendor environment
Bereketab Birhanu Deneke1, Asrat Mulatu Beyene2,3, Endalew Ayenew Haile4
1Department of Computer Science, School of Graduate Studies, St. Mary's University, Addis Ababa, Ethiopia.
Heliyon
|February 23, 2024
Summary
This study enhances Software Defined Networking (SDN) controller performance using Border Gateway Protocol (BGP) and RESTCONF, achieving high throughput and low latency in multi-vendor networks without infrastructure upgrades.
Area of Science:
- Computer Science
- Networking
- Network Engineering
Background:
- Software Defined Networking (SDN) offers programmable networks by separating control and data planes.
- Various protocols like OpenFlow, FORCES, PCEP, NETCONF, and IRS facilitate SDN operations.
- Border Gateway Protocol (BGP) integration is explored for enhanced network programmability in SDN.
Purpose of the Study:
- To improve the performance of SDN controllers by leveraging Border Gateway Protocol (BGP).
- To enable a multi-vendor SDN environment through BGP integration without requiring infrastructure upgrades.
- To demonstrate interoperability in SDN using BGP and RESTCONF.
Main Methods:
- Implementation of a proposed system using OpenDaylight controllers.
- Integration of Border Gateway Protocol (BGP) as the control plane protocol.
- Utilization of RESTCONF (RFC 8040) as the management plane protocol for controller-router interaction.
Main Results:
- Achieved an average throughput of 49.6 Gbps.
- Recorded a maximum latency of 7 μs.
- Observed average CPU consumption of 89% with a maximum TTL value of 600 msec.
Conclusions:
- The proposed SDN controller system using BGP demonstrates improved performance metrics compared to previous works.
- BGP integration facilitates multi-vendor compatibility and interoperability in SDN environments.
- The approach avoids the need for costly infrastructure upgrades, making SDN adoption more accessible.
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