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Experimental demonstration of remote unified control for OpenFlow-based software-defined optical access networks

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Abstract

Passive optical network (PON) has attracted much attention by the emergence of high-bitrate video-centric applications over the Internet in the access side. In the current commercial PON, the configuration of optical line termination equipment is needed to modify through network management system manually and periodically in the local areas. The traffic flow of different users lacks dynamic control and intelligent schedule. In this paper, we propose and implement a novel software-defined optical access network (SDOAN) architecture for remote unified control based on OpenFlow-enabled PON. Based on the proposed architecture, a service-aware flow scheduling strategy is introduced to flexibly and efficiently allocate the network bandwidth resources and detect the status of network flows in real time. The SDOAN can enhance the resource utilization and QoS guarantee of each user effectively through unified control manner, and reduce the operating expense by remote interaction and operation. We have designed and verified experimentally SDOAN on our test bed with OpenFlow-enabled OLTs. The overall feasibility and efficiency of the proposed architecture are also experimentally demonstrated and compared with interleaved polling with adaptive cycle time strategy in terms of resource occupation rate and average delay.

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Acknowledgments

This work was supported in part by NSFC Project (61501049, 61271189, and 61201154), RFDP Project (20090005110013496 and 20120005120019), Ministry of Education-China Mobile Research Foundation (MCM20130132), the Fundamental Research Funds for the Central Universities (2015RC15), and Fund of State Key Laboratory of Information Photonics and Optical Communications (BUPT), P. R. China.

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Authors and Affiliations

  1. State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China

    Hui Yang, Jie Zhang, Yongli Zhao, Jialin Wu & Yuefeng Ji

  2. Huawei Technologies Co., Ltd., Shenzhen, China

    Yi Lin & Jianrui Han

  3. Huawei USA, 5340 Legacy Road, Plano, TX, 75023, USA

    Young Lee

Authors
  1. Hui Yang
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  2. Jie Zhang
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  3. Yongli Zhao
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  4. Jialin Wu
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  5. Yuefeng Ji
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  6. Yi Lin
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  7. Jianrui Han
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  8. Young Lee
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Correspondence to Hui Yang.

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Yang, H., Zhang, J., Zhao, Y. et al. Experimental demonstration of remote unified control for OpenFlow-based software-defined optical access networks. Photon Netw Commun 31, 568–577 (2016). https://doi.org/10.1007/s11107-015-0547-6

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  • DOI: https://doi.org/10.1007/s11107-015-0547-6

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