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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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Traffic-based adaptive bandwidth adjustment for flexible OTN connectivity in optical networks
Optics Express
|October 20, 2023
Summary
New algorithms enhance optical transport networks (OTNs) by dynamically adjusting bandwidth for time-varying traffic. These methods improve bandwidth utilization and reduce bitrate loss, making networks more efficient.
Area of Science:
- Telecommunications Engineering
- Network Optimization
- Computer Science
Background:
- Conventional optical transport networks (OTNs) use fixed bandwidth, limiting efficiency for fluctuating traffic demands.
- Dynamic hitless bandwidth adjustment is crucial for modern, flexible OTNs to handle time-varying traffic effectively.
Purpose of the Study:
- To develop efficient algorithms for dynamic bandwidth adjustment in flexible OTNs.
- To improve bandwidth effectiveness and utilization in networks with numerous connections.
Main Methods:
- Proposed two traffic-based adaptive bandwidth adjustment algorithms.
- Algorithms are based on max-min fair bandwidth allocation criteria.
- Evaluated algorithm performance through simulations.
Main Results:
- The proposed algorithms improve bandwidth utilization by up to 16%.
- Under high load conditions, bitrate loss is reduced by a maximum of 10%.
- Demonstrated enhanced bandwidth effectiveness for flexible OTN connectivity.
Conclusions:
- Traffic-based adaptive algorithms offer significant improvements in optical transport network efficiency.
- These algorithms are vital for managing dynamic bandwidth needs in large-scale OTNs.
- The findings support the adoption of flexible connectivity for better resource management.
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