Experience in developing a prototype for WiBro service quality management system

Authors:
Dae-Woo Kim;Hyun-Min Lim;Jae-Hyoung Yoo;Sang-Ha Kim
Affiliations:
Network R&D Laboratory, KoreaTelecom, Daejeon, South Korea;Network R&D Laboratory, KoreaTelecom, Daejeon, South Korea;Network R&D Laboratory, KoreaTelecom, Daejeon, South Korea;Department of Computer Science, ChungNam National University, Daejeon, South Korea
Venue:
APNOMS'09 Proceedings of the 12th Asia-Pacific network operations and management conference on Management enabling the future internet for changing business and new computing services
Year:
2009

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Abstract

This paper describes development of KQIs (Key Quality Indicators) and a prototype of the KQIs monitoring system for WiBro (Wireless Broadband Internet) service provided by Korea Telecom. In this paper, we analyze WiBro service model based on user's perspective. Particularly, we essentially deal with the Web browsing service experienced by users as an internet service by WiBro Service. In addition, we focus on data bearer service with a wireless feature since it is the foundation of the WiBro Service. In developing the KQIs and KPIs, we use a top-down analysis method with user's perspective and a bottomup analysis method to get the data sources to be measured. We categorize them to Accessibility, Retainability, Quality, Latency, Supportability, and Diagnosis as combined KQIs with user's perspective. Through this service model analysis, we identify the KQIs and KPIs based on the user to manage the WiBro service quality. And we analyze the gap between the developed quality indicators and the measurement of them in KT and implement the prototype of monitoring system for them.