Joint service function chain deploying and path selection for bandwidth saving and VNF reuse

被引：23
|
作者：
Li, Dan [1 ]
Lan, Julong [1 ]
Wang, Peng [1 ]
机构：
[1] Natl Digital Switching Syst Engn & Technol Res Ct, 7 Jianxue St, Zhengzhou, Henan, Peoples R China
来源：
INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS | 2018年 / 31卷 / 06期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
bandwidth restriction; function deploying; function reuse; path selection; service function chain; MODEL;
D O I：
10.1002/dac.3523
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Service function chain (SFC) is managed as a set of chained virtual network functions (VNFs) in a particular order. The efficiency of a network closely depends on how these VNFs are deployed in the network. In this paper, we study the joint problem of service function chain deploying and path selection for bandwidth saving and VNF reuse. We first describes the problem as a multiobjective and multirestriction problem, and then a heuristic service function chain deployment algorithm based on longest function assignment sequence is proposed. Via simulations, we show that our design can reduce the number of deployed VNFs and link bandwidth requirement jointly and serve more requests than other algorithms.
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页数：9
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