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ICWS
2009
IEEE
14 years 1 months ago
User-Perceived Service Availability: A Metric and an Estimation Approach
Web-service-related techniques have become popular to improve system integration and interaction. In distributed and dynamic environment, web services’ availability has been reg...
Lingshuang Shao, Junfeng Zhao, Tao Xie, Lu Zhang, ...
SEUS
2008
IEEE
13 years 11 months ago
Analysis of User Perceived QoS in Ubiquitous UMTS Environments Subject to Faults
This paper provides a QoS analysis of a dynamic, ubiquitous UMTS network scenario in the automotive context identified in the ongoing EC HIDENETS project. The scenario comprises d...
Andrea Bondavalli, Paolo Lollini, Leonardo Montecc...
P2P
2005
IEEE
110views Communications» more  P2P 2005»
13 years 10 months ago
Presence-Based Availability and P2P Systems
The availability of a P2P service is a function of the individual peers’ availabilities, and it is often desirable to estimate how available a particular P2P service will be giv...
Richard J. Dunn, John Zahorjan, Steven D. Gribble,...
JSS
2010
142views more  JSS 2010»
12 years 11 months ago
Analysis of service availability for time-triggered rejuvenation policies
In this paper we investigate the effect of three time-triggered system rejuvenation policies on service availability using a queuing model. The model is formulated as an extended ...
Felix Salfner, Katinka Wolter
ICWS
2008
IEEE
13 years 6 months ago
Dynamic Availability Estimation for Service Selection Based on Status Identification
With the popularity of Service-Oriented Computing, how to construct highly available service-oriented applications is becoming a hot topic in both the research and industry commun...
Lingshuang Shao, Lu Zhang, Tao Xie, Junfeng Zhao, ...