Estimating Half-Path RTT in Backbone Network

Authors:
Lisheng Huang;Wenyong Wang;Mingtian Zhou
Affiliations:
School of Computer Science and Engineering, UEST of China, Chengdu, China 610054;School of Computer Science and Engineering, UEST of China, Chengdu, China 610054;School of Computer Science and Engineering, UEST of China, Chengdu, China 610054
Venue:
APNOMS '08 Proceedings of the 11th Asia-Pacific Symposium on Network Operations and Management: Challenges for Next Generation Network Operations and Service Management
Year:
2008

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Abstract

Half-path Round-Trip Time (HPRTT) is defined as the RTT metric from a host to the passive measurement point (MP), and a general passive method is proposed for continually measuring of HPRTT for different hosts in backbone network. Comparing with current passive RTT estimation methods, this method can obtain more measurement samples from different TCP activity scenes. Test result shows it works properly and effectively with Gbps traffic.