ProgLIMI: Programmable LInk Metric Identification in Software-Defined Networks
ProgLIMI: Programmable LInk Metric Identification in Software-Defined Networks
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ProgLIMI:软件定义网络中的可编程链接度量标识
DOI:
10.1109/tnet.2018.2865892
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发表时间:
2018-09
期刊:
影响因子:
--
通讯作者:
Chen Nee Chuah
中科院分区:
文献类型:
--
作者:
Xiong Wang;Mehdi Malboubi;Zhihao Pan;Jing Ren;Sheng Wang;Shizhong Xu;Chen Nee Chuah
In this paper, we propose the Programmable LInk Metric Identification (ProgLIMI) infrastructure for software-defined networking (SDN) networks. ProgLIMI identifies round-trip link metrics (RTLMs) from accumulated end-to-end metrics of selected measurement paths by leveraging the flexible routing control capability of SDN networks. ProgLIMI mainly solves three sub-problems: 1) monitor placement; 2) linearly independent measurement path construction; and 3) flow rule design. To reduce measurement cost, ProgLIMI tries to minimize the number of required monitors and flow rules. In this paper, we address the three sub-problems for both full and hybrid SDN networks. For full SDN networks, ProgLIMI can achieve full RTLM identification using only one monitor and two flow rules in each SDN switch. In contrast, the RTLM identification in hybrid SDN networks is more complicated due to the routing constraint of hybrid SDN networks. We first prove that the monitor placement problem in hybrid SDN networks is NP-hard. We then formulate the monitor placement and measurement path selection problem in hybrid SDN networks and propose a greedy heuristic algorithm to solve the problem efficiently. Our evaluations on both physical testbed and simulation platform reveal that ProgLIMI can accurately identify the RTLMs (delay and loss rate). Besides, ProgLIMI is also resource efficient, i.e., it only requires two flow rules in each SDN switch and a small number of monitors, and the extra probing traffic load incurred by ProgLIMI is also low.
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影响因子:
2.8
作者:
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通讯作者:
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发表时间:
2007-06
期刊:
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通讯作者:
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期刊:
IEEE/ACM Transactions on Networking
影响因子:
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发表时间:
2005-12
期刊:
SIGMETRICS Perform. Evaluation Rev.
影响因子:
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通讯作者:
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发表时间:
2001-05
期刊:
2001 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings (Cat. No.01CH37221)
影响因子:
--
作者:
Meng-Fu Shih;A. Hero
通讯作者:
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