为了有效抑制分布式光网络动态特性对网络性能的影响,提升频谱资源利用率,该文基于分布式网络噪声(DNN)的概念和数学模型,提出了一种定量分析动态特性影响网络性能的方法。该方法首先分析了信息失真产生的机理;然后针对业务到达过程及网络服务机制的统计特性,建立了动态特性引发信令阻塞的模型,揭示了信息失真影响网络性能的规律。研究结果表明:业务原始到达率越高,网络信息失真程度越高且信令阻塞率越大。实验结果与理论模型高度匹配,验证了模型的有效性。
Abstract
The impact of the network dynamics on network performance was analyzed to develop a distributed network noise(DNN) concept to efficiently suppress the effects of the network dynamics and increase the spectrum utilization. The analysis analyzes the mechanism of how information distortion influences the network performance. An analytical signaling blocking model is developed based on the DNN to indicate the influence of information distortion. The results show that the information distortion as well as the blocking probability increase with increasing origin arrival rate. The estimates derived from the analytical model agree well with experimental results.
关键词
动态业务 /
信息失真 /
分布式网络噪声(DNN) /
信令阻塞
Key words
dynamic traffic /
information distortion /
distributed network noise(DNN) /
signaling blocking
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参考文献
[1] Sato K, Yamanaka N, Takigawa Y, et al. GMPLS-based photonic multilayer router(Hikari router) architecture:An overview of traffic engineering and signaling technology[J]. Communications Magazine, IEEE, 2002, 40(3):96-101.
[2] Oki E, Matsuura N, Shiomoto K, et al. A disjoint path selection scheme with shared risk link groups in GMPLS networks[J]. Communications Letters, IEEE, 2002, 6(9):406-408.
[3] Martinez R, Pinart C, Cugini F, et al. Challenges and requirements for introducing impairment-awareness into the management and control planes of ASON/GMPLS WDM networks[J]. Communications Magazine, IEEE, 2006, 44(12):76-85.
[4] Cugini F, Meloni G, Paolucci F, et al. Demonstration of flexible optical network based on path computation element[J]. Journal of Lightwave Technology, 2012, 30(5):727-733.
[5] Liu L, Tsuritani T, Morita I, et al. Experimental validation and performance evaluation of OpenFlow-based wavelength path control in transparent optical networks[J]. Optics express, 2011, 19(27):26578-26593.
[6] Zheng X. Key technologies of dynamic control in multi- domain heterogeneous optical networks[C]//Photonic Networks and Devices. Puerto Rico:Optical Society of America, 2013, 10.1364/NETWORKS.2013.NW1C.4
[7] Liu H, Hua N, Wang L, et al. Experimenting with bandwidth-variable routing and signaling on a large-scale ASON test-bed[J]. Photonic Network Communications, 2013, 26(1):32-41.
[8] Chen Y, Hua N, Zheng X, et al. Implementation of the information-diffusion-based routing on a large-scale ASON test-bed[C]//European Conference and Exhibition on Optical Communication. Torino, Italy:IEEE Press, 2010:1-3.
[9] Chen Y, Hua N, Zheng X, et al. Experimenting with immediate re-routing on an information-diffusion-based routing test-bed[C]//Optical Fiber Communication Conference. CA, USA:Optical Society of America, 2011, 10.1364/OFC.2011.OThI2.
[10] Giorgetti A, Cugini F, Sambo N, et al. Path state-based update of PCE traffic engineering database in wavelength switched optical networks[J]. Communications Letters, IEEE, 2010, 14(6):575-577.
[11] Liu H, Hua N, Liu Y, et al. Experimenting with bandwidth-variable routing on a large-scale ASON test-bed[C]//Asia Communications and Photonics Conference. Shanghai, China:Optical Society of America, 2011:831008-831008-6.
[12] Liu H, Hua N, Li Y, et al. Modeling of information asynchronization caused by packet loss and its effect on distributed optical networks[C]//Asia Communications and Photonics Conference. Shanghai, China:Optical Society of America, 2014, 10.1364/ACPC.2014.ATh3A.155.
[13] Sridharan A, Sivarajan K N. Blocking in all-optical networks[J]. Networking, IEEE/ACM Transactions on, 2004, 12(2):384-397.
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