Burst segmentation for void-filling scheduling and its performance evaluation in optical burst switching

Area of Science:

• Computer Science
• Telecommunications Engineering
• Network Architecture

Background:

• Optical burst switching (OBS) is a key technology for next-generation optical networks.
• Core router design in OBS requires efficient channel scheduling and contention resolution.
• Existing scheduling algorithms face challenges in performance optimization.

Purpose of the Study:

• To propose a novel, practical channel scheduling algorithm for optical burst switching core routers.
• To address contention issues in core router design through burst segmentation.
• To enhance overall network performance and link utilization.

Main Methods:

• Development of a new channel scheduling algorithm integrating burst segmentation.
• Theoretical analysis of the proposed algorithm's performance.
• Evaluation through computer simulations comparing with traditional algorithms.

Main Results:

• The proposed algorithm significantly lowers packet loss probability.
• Enhanced link utilization compared to existing methods.
• Demonstrated improvement in overall network performance.

Conclusions:

• The new scheduling algorithm offers a practical solution for OBS core routers.
• Burst segmentation effectively resolves contention, boosting network efficiency.
• The algorithm represents a significant advancement in optical internet core router design.