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13 February 2016 SDN architecture for optical packet and circuit integrated networks
Hideaki Furukawa, Takaya Miyazawa
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Proceedings Volume 9773, Optical Metro Networks and Short-Haul Systems VIII; 977307 (2016) https://doi.org/10.1117/12.2216667
Event: SPIE OPTO, 2016, San Francisco, California, United States
Abstract
We have been developing an optical packet and circuit integrated (OPCI) network, which realizes dynamic optical path, high-density packet multiplexing, and flexible wavelength resource allocation. In the OPCI networks, a best-effort service and a QoS-guaranteed service are provided by employing optical packet switching (OPS) and optical circuit switching (OCS) respectively, and users can select these services. Different wavelength resources are assigned for OPS and OCS links, and the amount of their wavelength resources are dynamically changed in accordance with the service usage conditions. To apply OPCI networks into wide-area (core/metro) networks, we have developed an OPCI node with a distributed control mechanism. Moreover, our OPCI node works with a centralized control mechanism as well as a distributed one. It is therefore possible to realize SDN-based OPCI networks, where resource requests and a centralized configuration are carried out. In this paper, we show our SDN architecture for an OPS system that configures mapping tables between IP addresses and optical packet addresses and switching tables according to the requests from multiple users via a web interface. While OpenFlow-based centralized control protocol is coming into widespread use especially for single-administrative, small-area (LAN/data-center) networks. Here, we also show an interworking mechanism between OpenFlow-based networks (OFNs) and the OPCI network for constructing a wide-area network, and a control method of wavelength resource selection to automatically transfer diversified flows from OFNs to the OPCI network.
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Hideaki Furukawa and Takaya Miyazawa "SDN architecture for optical packet and circuit integrated networks", Proc. SPIE 9773, Optical Metro Networks and Short-Haul Systems VIII, 977307 (13 February 2016); https://doi.org/10.1117/12.2216667
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KEYWORDS
Integrated optics
Switching
Network architectures
Integrated circuit design
Integrated circuits
Optical circuits
Photonic integrated circuits
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