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Shan GAO Xiaoyuan CAO Takehiro SATO Takaya MIYAZAWA Sota YOSHIDA Noboru YOSHIKANE Takehiro TSURITANI Hiroaki HARAI Satoru OKAMOTO Naoaki YAMANAKA
Software defined networking (SDN) and OpenFlow, which enables the abstraction of vendor/technology-specific attributes, improve the control and management flexibility of optical transport networks. In this paper, we present an interoperability demonstration of SDN/OpenFlow-based optical path control for multi-domain/multi-technology optical transport networks. We also summarize the abstraction approaches proposed for multi-technology network integration at SDN controllers.