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首页> 外文期刊>Optical Communications and Networking, IEEE/OSA Journal of >Software-defined optical networks technology and infrastructure: Enabling software-defined optical network operations [invited]
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Software-defined optical networks technology and infrastructure: Enabling software-defined optical network operations [invited]

机译：软件定义的光网络技术和基础结构：启用软件定义的光网络操作[已邀请]

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摘要

Software-defined networking (SDN) enables programmable SDN control and management functions at a number of layers, allowing applications to control network resources or information across different technology domains, e.g., Ethernet, wireless, and optical. Current cloud-based services are pushing networks to new boundaries by deploying cutting edge optical technologies to provide scalable and flexible services. SDN combined with the latest optical transport technologies, such as elastic optical networks, enables network operators and cloud service providers to customize their infrastructure dynamically to user/application requirements and therefore minimize the extra capital and operational costs required for hosting new services. In this paper a unified control plane architecture based on OpenFlow for optical SDN tailored to cloud services is introduced. Requirements for its implementation are discussed considering emerging optical transport technologies. Implementations of the architecture are proposed and demonstrated across heterogeneous state-of-the-art optical, packet, and IT resource integrated cloud infrastructure. Finally, its performance is evaluated using cloud use cases and its results are discussed.
机译：软件定义网络（SDN）在多个层上启用可编程SDN控制和管理功能，从而使应用程序可以跨不同技术域（例如，以太网，无线和光纤）控制网络资源或信息。当前的基于云的服务通过部署尖端的光学技术来提供可扩展和灵活的服务，从而将网络推向新的边界。 SDN与最新的光传输技术（例如弹性光网络）相结合，使网络运营商和云服务提供商可以根据用户/应用程序的需求动态地定制其基础架构，从而将托管新服务所需的额外资金和运营成本降至最低。本文介绍了一种针对云服务的，针对光SDN的，基于OpenFlow的统一控制平面架构。考虑到新兴的光学传输技术，讨论了其实施要求。在异构，最新的光学，分组和IT资源集成的云基础架构中，提出并演示了该架构的实现。最后，使用云用例评估其性能，并讨论其结果。

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