On calibrating measurements of packet transit times
SIGMETRICS '98/PERFORMANCE '98 Proceedings of the 1998 ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems
Measurements and analysis of end-to-end Internet dynamics
Measurements and analysis of end-to-end Internet dynamics
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The research objective of our work is to improve the current quality management system by understanding the service quality that customers perceive. Also, the study aims to enhance work efficiency through the end-to-end quality of service (QoS) analysis from the user's terminal to the service server, eliminating the overlaps of QoS degradation analyses involving the wireless network, core network, and platform network. Against this backdrop, this paper intends to identify the elements of quality degradation in mobile packet service perceived at subscriber level and to propose a method that implements customer-centric service quality management. To this end, we have assessed the packet services available from SK Telecom and came up with a methodology that derives service availability as a uniform indicator for subscriber-perceived service quality according to the characteristics of different kinds of packet services. Also, using an embodied system, we performed an analysis on the correlation between service availability, which is a subscriber-perceived quality indicator as monitored by commercial networks, and the actual measurement data. It was confirmed that we could have an end-to-end service quality management system that is more service-oriented and customer-centric than the current system-oriented quality monitoring practices.