研究目的
Investigating the fast dynamic control of optical data center networks based on nanoseconds WDM photonics integrated switches to achieve low latency, high capacity, and high cost and power-efficiency.
研究成果
The fast dynamic and distributed optical flow control of the optical DCN based on distributed nanoseconds photonics integrated switches is successfully implemented, demonstrating error-free 10 Gb/s switching with no packets loss and <2dB penalty, and 260.66 ns ToR-to-ToR latency.
研究不足
The lack of optical buffer at the optical switch results in large packets loss as the traffic load increases, necessitating a fast dynamic network controlling mechanism.
1：Experimental Design and Method Selection:
The experiment utilizes FPGA to implement the ToRs and the switch controllers with the Flow Control protocol for fast dynamic control of the network.
2：Sample Selection and Data Sources:
The experiment uses a fabricated photonics integrated switch chip and FPGA-based ToRs generating data traffic.
3：List of Experimental Equipment and Materials:
Includes FPGA, photonics integrated switch chip, EDFA, and SFP transceivers.
4：Experimental Procedures and Operational Workflow:
The process involves generating optical packets, processing optical labels, dynamic switching control, and assessing performance through BER measurements and latency analysis.
5：Data Analysis Methods:
The analysis includes BER curves, latency measurements, and statistics on packet loss and retransmission.
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