A method of detecting performance degradation at TCP flow level from sampled packet streams

Ryoichi Kawahara, Keisuke Ishibashi, Tatsuya Mori, Takeo Abe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Managing the performance at the flow level through traffic measurement is crucial for effective network management. On the other hand, with the rapid rise in link speeds, collecting all packets has become difficult, so packet sampling has been attracting attention as a scalable means of measuring flow statistics. We have therefore established a method of detecting performance degradation at the TCP flow level from sampled now behaviors. The proposed method is based on the following two flow characteristics: (i) sampled flows tend to have high flow-rates and (ii) when a link becomes congested, the performance of high-rate flows becomes degraded first These characteristics indicate that sampled flows are sensitive to congestion, so we can detect performance degradation of flows that are sensitive to congestion by observing the rate of sampled flows. We also show the effectiveness of our method using measured data.

Original languageEnglish
Title of host publication2005 Workshop on High Performance Switching and Routing, HPSR 2005
Pages157-161
Number of pages5
Publication statusPublished - 2005
Externally publishedYes
Event2005 Workshop on High Performance Switching and Routing, HPSR 2005 - Hong Kong
Duration: 2005 May 122005 May 14

Other

Other2005 Workshop on High Performance Switching and Routing, HPSR 2005
CityHong Kong
Period05/5/1205/5/14

Fingerprint

Flow rate
Degradation
Network management
Statistics
Sampling

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kawahara, R., Ishibashi, K., Mori, T., & Abe, T. (2005). A method of detecting performance degradation at TCP flow level from sampled packet streams. In 2005 Workshop on High Performance Switching and Routing, HPSR 2005 (pp. 157-161)

A method of detecting performance degradation at TCP flow level from sampled packet streams. / Kawahara, Ryoichi; Ishibashi, Keisuke; Mori, Tatsuya; Abe, Takeo.

2005 Workshop on High Performance Switching and Routing, HPSR 2005. 2005. p. 157-161.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kawahara, R, Ishibashi, K, Mori, T & Abe, T 2005, A method of detecting performance degradation at TCP flow level from sampled packet streams. in 2005 Workshop on High Performance Switching and Routing, HPSR 2005. pp. 157-161, 2005 Workshop on High Performance Switching and Routing, HPSR 2005, Hong Kong, 05/5/12.
Kawahara R, Ishibashi K, Mori T, Abe T. A method of detecting performance degradation at TCP flow level from sampled packet streams. In 2005 Workshop on High Performance Switching and Routing, HPSR 2005. 2005. p. 157-161
Kawahara, Ryoichi ; Ishibashi, Keisuke ; Mori, Tatsuya ; Abe, Takeo. / A method of detecting performance degradation at TCP flow level from sampled packet streams. 2005 Workshop on High Performance Switching and Routing, HPSR 2005. 2005. pp. 157-161
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