用戶端設備廣域網路管理協定之系統效能優化

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用户端设备广域网路管理协定之系统效能优化

Toward Optimizing System Capabilities in a CWMP Network

李坤敏 , 博士　　导师：邓维光　　共同指导教授：侯廷伟

英文

用户端设备广域网路管理协议；技术报告TR-069 ；重新排程；分群；预测； CWMP ； TR-069 ； rescheduling ； grouping ； prediction

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摘要 │ 参考文献 (91) │ 国际计量

摘要〈TOP〉

并列摘要〈TOP〉

Enhanced with the auto-configuration and management features, CPE (customer premises equipment) WAN (wide area network) management protocol (CWMP) has now become widely used by service providers and operators. However, the system performance of CWMP is limited by the first-come, first-served (FCFS) implementation and the client/server management architecture between the CPEs and auto configuration servers (ACSs). Therefore, a dynamic rescheduling scheme is adopted to overcome the limitation of the FCFS implementation. Specifically, a cost transfer function that considers the estimated processing time, the remaining lifetime, and the waiting time of each session, is utilized to provide a proper ranking cost for the rescheduling scheme. In addition, this research creates a new design by combining a sub-ACS concept with a dynamic client grouping to extend the management capacity of CWMP. By leveraging regrouping and repackaging requests/responses of the same CPE type, the total number of CPEs that an ACS can manage simultaneously is greatly increased. On the other hand, as CWMP is designed to manage a huge number of devices, a single server may be degraded by a large number of simultaneous requests issued by clients. Hence, load balancing (LB) mechanisms are usually applied in CWMP-based management systems. The assignment of static LB policies adopted in CWMP-based management systems is straightforward and efficient because the parameters and attributes are predefined. Thus, the main tasks of such management systems in large-scale environments are not handling and distributing workloads; rather, the major functions are predicting unexpected crash events and preventing reassignment of LB policies. Consequently, a self-learning predictor (SLP) combined with a sticky session is proposed to predict unexpected crash events. The experimental results show that the system performance in terms of resources utilization and throughput can also be significantly improved. Furthermore, a set of simulation experiments were conducted to verify the effectiveness of all proposed approaches in this dissertation. From the experimental studies, the system capabilities in a CWMP network are optimized with our proposed scheme.

参考文献 ( 91 ) 〈TOP〉

[1] A. Botta, W. D. Donato, V. Persico, and A. Pescapé, “Integration of cloud computing and internet of things: a survey,” Futur. Gener. Comp. Sy., vol. 56, pp. 684–700, Mar. 2016.
连结：
[2] D. Jadhav and S. Nikam, “Need for resource management in IoT,” Int. J. Comput. Appl., vol. 134, no. 16, pp. 17–20, Jan. 2016.
连结：
[5] K. Huguenin, E. L. Merrer, N. L. Scouarnec, and G. Straub, “Efficient and transparent wi-fi offloading for http(s) posts,” IEEE T. Mob. Comput., vol. 15, no. 4, pp. 826–839, Mar. 2016.
连结：
[6] V. Bajpai and J. Schönwälder, “A survey on internet performance measurement platforms and related standardization efforts,” IEEE Commun. Surv. Tut., vol. 17, no. 3, pp. 1313–1341, Apr. 2015.
连结：
[7] Z. Sheng, C. Mahapatra, C. Zhu, and V. C. M. Leung, “Recent advances in industrial wireless sensor networks toward efficient management in IoT,” IEEE Acces., vol. 3, pp. 622–637, May 2015.
连结：

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使用DOI作为永久连结

引用含有DOI的文献

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。 如想对DOI的使用与概念有进一步了解，请参考 （ ） 。

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。如想对DOI的使用与概念有进一步了解，请参考（）。