研究目的
To propose and demonstrate a truly dynamic transportation platform tailored for a metro network, addressing the challenges of rapid service provisioning and recovery, and cost-effective connectivity schemes.
研究成果
The study demonstrates a metro network test-bed with a control-plane response time of 3-5 seconds and a service set-up/recovery time of 4-9 seconds, capable of dynamically supporting inter-DC traffic within a metro network.
研究不足
The scalability of the proposed Metro network test-bed is limited to 7-8 AMEN due to differential loss restrictions between the most remote nodes. Deployment of an amplification scheme could overcome this limitation.
1：Experimental Design and Method Selection:
The study employs a dynamic data-plane using commercial PON technology and a novel SDN-enabled control-plane based on OpenFlow/Netconf protocols.
2：Sample Selection and Data Sources:
The test-bed includes an MCEN node, three sub-equipped AMENs, and two disjoint PON lines.
3：List of Experimental Equipment and Materials:
Commercial GPON (Alcatel-Lucent/Nokia, ISAM 7330), Optical Network Units (ONUs), and 3dB couplers.
4：Experimental Procedures and Operational Workflow:
The test-bed demonstrates dynamic operation in several scenarios, including flow activation and service recovery.
5：Data Analysis Methods:
Performance metrics such as response time and service recovery time are measured using iperf traffic generator.
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