Spectrum trading between virtual optical networks with time-varying traffic in an elastic optical network
Spectrum trading between virtual optical networks with time-varying traffic in an elastic optical network
复制标题
弹性光网络中具有时变流量的虚拟光网络之间的频谱交易
DOI:
10.1364/jocn.377462
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发表时间:
2020-01
期刊:
影响因子:
--
通讯作者:
Gangxiang Shen
中科院分区:
文献类型:
--
作者:
Shifeng Ding;Sanjay K. Bose;Gangxiang Shen
Network virtualization can improve the utilization of a physical network by enabling the coexistence of multiple virtual networks supporting different services. For an elastic optical network, network virtualization would create a number of virtual optical networks (VONs) embedded in the same physical optical network. Conventionally, each of these VONs is allocated with a fixed amount of network resources. However, the traffic demand on a VON is usually dynamic, varying over time. This leads to a mismatch between the fixed resource assigned and the actual resource required by users. Therefore, some user services may be blocked and the quality of service provided by each VON may be degraded. To overcome the disadvantage caused by this mismatch, we propose a network resource-sharing scheme, called spectrum trading (ST), which trades spectrum resources between different VONs based on their actual capacity requirements, for better overall spectrum utilization. Integer linear programming (ILP) models are developed to model the different ST scenarios, and heuristic algorithms are developed to tackle ST in large networks. Simulation studies show that the proposed ST scheme is effective in significantly improving the total traffic demand carried by VONs by up to 20% in the test networks considered, while not bringing in any additional hardware cost.
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DOI:
10.1109/glocom.2016.7841617
发表时间:
2016-12
期刊:
2016 IEEE Global Communications Conference (GLOBECOM)
影响因子:
--
作者:
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通讯作者:
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影响因子:
2.4
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影响因子:
2.7
作者:
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Huibin Zhang;Wei Wang;Yongli Zhao;Jie Zhang
影响因子:
4.7
作者:
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Ya Zhang;Yao Zhang;S. Bose;G. Shen
DOI:
10.1364/ofc.2019.m4j.3
发表时间:
2019-03
期刊:
2019 Optical Fiber Communications Conference and Exhibition (OFC)
影响因子:
--
作者:
Shifeng Ding;Xiaodong Fu;Boping Jiang;S. Bose;G. Shen
通讯作者:
Shifeng Ding;Xiaodong Fu;Boping Jiang;S. Bose;G. Shen