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Open Flow Based Flow Slice Load Balancing
×÷Õß:Wang, P (Wang Peng)[ 1 ] ; Lan, JL (Lan Julong)[ 1 ] ; Chen, SQ (Chen Shuqiao)[ 1 ]
CHINA COMMUNICATIONS
¾í: 11
ÆÚ: 12
Ò³: 72-82
³ö°æÄê: DEC 2014
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Today's data center networks are designed using densely interconnected hosts in the data center. There are multiple paths between source host and destination server. Therefore, how to balance traffic is key issue with the fast growth of network applications. Although lots of load balancing methods have been proposed, the traditional approaches cannot fully satisfy the requirement of load balancing in data center networks. The main reason is the lack of efficient ways to obtain network traffic statistics from each network device. As a solution, the Open Flow protocol enables monitoring traffic statistics by a centralized controller. However, existing solutions based on Open Flow present a difficult dilemma between load balancing and packet reordering. To achieve a balance between load balancing and packet reordering, we propose an Open Flow based flow slice load balancing algorithm. Through introducing the idea of differentiated service, the scheme classifies Internet flows into two categories: the aggressive and the normal, and applies different splitting granularities to the two classes of flows. This scheme improves the performance of load balancing and also reduces the number of reordering packets. Using the trace-driven simulations, we show that the proposed scheme gains over 50% improvement over previous schemes under the path delay estimation errors, and is a practical and efficient algorithm.
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×÷Õ߹ؼü´Ê:Open Flow; traffic splitting; load balancing; packet reordering; splitting granularity
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ͨѶ×÷ÕßµØÖ·: Wang, P (ͨѶ×÷Õß)
Natl Digital Switching Syst Engn & Technol R&D Ct, Zhengzhou 450000, Henan, Peoples R China.
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[ 1 ] Natl Digital Switching Syst Engn & Technol R&D Ct, Zhengzhou 450000, Henan, Peoples R China
µç×ÓÓʼþµØÖ·:wangpeng.ndsc@gmail.com; ndscljl@163.com; 15803846349@163.com
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National Basic Research Development Program of China (973 Program)
2012CB315901
2012CB315906
National High Technology Research and Development Program of China (863 Program)
2011AA01A103
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CHINA INST COMMUNICATIONS, NO 13 WEST CHANG AN AVENUE, BEIJING, 00000, PEOPLES R CHINA
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Ñо¿·½Ïò:Telecommunications
Web of Science Àà±ð:Telecommunications
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ÎÄÏ×ÀàÐÍ:Article
ÓïÖÖ:English
Èë²ØºÅ: WOS:000347669800009
ISSN: 1673-5447
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Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®
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IDS ºÅ: AY6II
Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 15
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |
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