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Paper Abstract and Keywords
Presentation 2019-11-27 13:55
[Invited Lecture] Adaptive Server and Path Switching Scheme Based on Traffic Information for Content Delivery Networks
Hiroyuki Nishimuta, Daiki Nobayashi, Takeshi Ikenaga (Kyutech)
Abstract (in Japanese) (See Japanese page) 
(in English) Due to increases in the number of providers providing large-capacity content, multimedia products such as videos, images, and music now account for most of the traffic flowing over the Internet, and content delivery networks (CDNs) that can guarantee the load distribution and communication quality of related products on the Internet are in use around the world. However, with current CDN technologies, it is difficult to change the server or the path between a user and a server after a user has established a connection with a distribution server. Therefore, when dealing with long duration CDN communications, the conventional path control and distribution server selection methods related to CDNs cannot respond flexibly to changes in communication quality once communication has started. In response to this issue, we proposed a path and server switching scheme using OpenFlow as a way to improve CDN communication performance. However, in the our existing method, selecting an appropriate switching destination is difficult when the communication quality degradation of a large number of flows occurs in a period shorter than the renewal period of traffic information periodically collected in OpenFlow Controller (OFC)/Switch(OFS). Furthermore, via network simulations, we show that our proposed method can provide higher throughput performance than existing methods.
Keyword (in Japanese) (See Japanese page) 
(in English) CDN / route control / Server Selection / QoS / / / /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee RISING  
Conference Date 2019-11-26 - 2019-11-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukutake Learning Theater, Hongo Campus, Univ. Tokyo 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Researches on Super-Intelligent Networking, etc. 
Paper Information
Registration To RISING 
Conference Code 2019-11-RISING 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive Server and Path Switching Scheme Based on Traffic Information for Content Delivery Networks 
Sub Title (in English)  
Keyword(1) CDN  
Keyword(2) route control  
Keyword(3) Server Selection  
Keyword(4) QoS  
1st Author's Name Hiroyuki Nishimuta  
1st Author's Affiliation Kyushu Institute of Technology (Kyutech)
2nd Author's Name Daiki Nobayashi  
2nd Author's Affiliation Kyushu Institute of Technology (Kyutech)
3rd Author's Name Takeshi Ikenaga  
3rd Author's Affiliation Kyushu Institute of Technology (Kyutech)
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Date Time 2019-11-27 13:55:00 
Presentation Time 50 
Registration for RISING 
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