[ "李超(1988-),男,上海交通大学硕士生,主要研究方向为大数据网络。" ]
[ "林霄(1988-),男,上海交通大学博士生,主要研究方向为大数据网络和网络优化。" ]
[ "孙卫强(1976-),男,博士,上海交通大学教授、博士生导师,主要研究方向为大数据网络、信息通信网、网络优化、网络性能评估等。" ]
[ "胡卫生(1964-),男,博士,上海交通大学教授、博士生导师,国家杰出青年基金获得者,主要研究方向为下一代光接入网、光交换、光网络等。" ]
网络首发:2016-07,
纸质出版:2016-07-20
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李超, 林霄, 孙卫强, 等. 突发大数据在存储辅助光电路交换网络中的传输[J]. 大数据, 2016,2(4):2016041.
Chao LI, Xiao LIN, Weiqiang SUN, et al. Transmission of burst bulk data in optical circuit-switched networks with assistive storage[J]. Big Data Research2016, 2(4): 2016041.
李超, 林霄, 孙卫强, 等. 突发大数据在存储辅助光电路交换网络中的传输[J]. 大数据, 2016,2(4):2016041. DOI: 10.11959/j.issn.2096-0271.2016041.
Chao LI, Xiao LIN, Weiqiang SUN, et al. Transmission of burst bulk data in optical circuit-switched networks with assistive storage[J]. Big Data Research2016, 2(4): 2016041. DOI: 10.11959/j.issn.2096-0271.2016041.
电路交换网络交换粒度较粗,在应对突发式业务时阻塞率较高。针对这一问题,提出在光电路交换网络节点引入存储,从而在突发阶段暂存“时延不敏感”的业务数据并错峰传输。基于时移多层图研究了存储容量与业务突发度的关系,并通过仿真验证了对网络性能的改善程度。研究结论包括:突发业务对光电路交换网络性能有较大影响;引入存储可以有效平滑突发业务,降低阻塞率;在固定的网络负载下,所需的存储容量随着业务突发度的增大而增大。
With coarse switching granularity
circuit switching suffers from high blocking probability
especially when the traffic is bursty.How massive intermediate storage may alleviate traffic blocking in OCS(coptical circuit switching)networks was studied.The relationship between the storage capacity and the traffic burst was introduced
and the improvement of the network performance was verified by the simulation results.The results suggest that burstiness in traffic is indeed harmful to the OCS blocking performance
and can be effectively handled with massive intermediate storage.It also indicates that with different levels of storage support
the network may exhibit different levels of burst smoothing functions and achieve different blocking performance.
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