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A fuzzy delay-bandwidth guaranteed routing algorithm for video conferencing services over SDN networks
Jianhu Gong1, Amin Rezaeipanah2
1School of Data and Computer Science, Guangdong Peizheng College, Guangzhou, 510830 People's Republic of China.
Multimedia Tools and Applications
|January 30, 2023
Summary
A new Fuzzy Delay-Bandwidth Guaranteed Routing (FDBGR) algorithm enhances video conferencing by optimizing network traffic. This Software-Defined Networking (SDN) approach improves Quality of Service (QoS) and ensures reliable communication.
Area of Science:
- Computer Science
- Network Engineering
Background:
- Video conferencing demands high Quality of Service (QoS) for effective long-distance communication.
- Software-Defined Networking (SDN) offers advanced network management by separating control and data planes.
- Existing routing algorithms often prioritize only bandwidth, neglecting critical delay constraints for real-time applications.
Purpose of the Study:
- To propose a novel routing algorithm for Software-Defined Networking (SDN) environments tailored for video conferencing.
- To address limitations in current routing methods by considering both delay and bandwidth requirements.
- To enhance the acceptance rate of user requests and ensure efficient network resource utilization.
Main Methods:
- Development of a Fuzzy Delay-Bandwidth Guaranteed Routing (FDBGR) algorithm utilizing fuzzy logic.
- Implementation of dynamic routing based on current network status and QoS requirements within an SDN architecture.
- Comparative simulation analysis against state-of-the-art routing algorithms (H-MCOP, MH-MCOP, QoMRA, QROUTE, REDO).
Main Results:
- The proposed FDBGR algorithm effectively considers both delay and bandwidth constraints for video conferencing traffic.
- FDBGR demonstrates superior performance in terms of accepted requests, load balancing, and reduced average delay (48 ms).
- The algorithm achieves even workload distribution, preserving network capacity for future requests.
Conclusions:
- FDBGR offers significant improvements in network performance, mobility, and scalability for video conferencing applications.
- The fuzzy logic approach allows for intelligent postponement of high-demand requests, optimizing resource allocation.
- SDN combined with intelligent routing algorithms like FDBGR is crucial for supporting high-quality real-time communication services.
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