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ICAS
2009
IEEE
164views Robotics» more  ICAS 2009»
13 years 11 months ago
Study of the Impact of UMTS Best Effort Parameters on QoE of VoIP Services
— This paper evaluates the performance of VoIP services over mobile accesses, with special focus on currently deployed Best Effort UMTS networks. There are different configuratio...
Jose Oscar Fajardo, Fidel Liberal, Nagore Bilbao
ICAS
2009
IEEE
138views Robotics» more  ICAS 2009»
13 years 11 months ago
An Assessment of Self-Managed P2P Streaming
Peer-to-Peer (P2P) IPTV applications have increasingly been considered as a potential approach to online broadcasting. These overcome fundamental client-server issues and introduc...
Majed Alhaisoni, Antonio Liotta, Mohammed Ghanbari
ICAS
2009
IEEE
148views Robotics» more  ICAS 2009»
13 years 11 months ago
An Observation Framework for Multi-agent Systems
Existing middleware platforms for multi-agent systems (MAS) do not provide general support for observation. On the other hand, observation is considered to be an important mechani...
Joonas Kesaniemi, Artem Katasonov, Vagan Y. Terziy...
ICAS
2009
IEEE
106views Robotics» more  ICAS 2009»
13 years 11 months ago
Resource-Aware Contracts for Addressing Feature Interaction in Dynamic Adaptive Systems
Dynamic adaptive systems are becoming increasingly popular due to their ability to adapt to heterogeneous and changing environments. Such systems must avert adverse feature intera...
Yu Liu, René Meier
ICAS
2009
IEEE
141views Robotics» more  ICAS 2009»
13 years 11 months ago
An Enhanced IMS Architecture Featuring Cross-Layer Monitoring and Adaptation Mechanisms
IP Multimedia Subsystem (IMS) entails novel business opportunities for pioneering and emerging multimedia services, such as IPTV and VoIP video call applications. However, this st...
Lemonia Boula, Harilaos Koumaras, Anastasios Kourt...
ICAS
2009
IEEE
126views Robotics» more  ICAS 2009»
13 years 11 months ago
Self-Adaptive Techniques for the Load Trend Evaluation of Internal System Resources
Modern distributed systems that have to avoid performance degradation and system overload require several runtime management decisions for load balancing and load sharing, overloa...
Sara Casolari, Michele Colajanni, Stefania Tosi
ICAS
2009
IEEE
139views Robotics» more  ICAS 2009»
13 years 11 months ago
Predicting Web Server Crashes: A Case Study in Comparing Prediction Algorithms
Abstract—Traditionally, performance has been the most important metrics when evaluating a system. However, in the last decades industry and academia have been paying increasing a...
Javier Alonso, Jordi Torres, Ricard Gavaldà
ICAS
2009
IEEE
125views Robotics» more  ICAS 2009»
13 years 11 months ago
Tools for Architecture Based Autonomic Systems
Recent years have seen a growing interest in autonomic computing, an approach to providing systems with self managing properties [1]. Autonomic computing aims to address the incre...
Noel De Palma, Konstantin Popov, Nikos Parlavantza...
ICAS
2009
IEEE
142views Robotics» more  ICAS 2009»
13 years 11 months ago
Semantic Approach to Dynamic Coordination in Autonomous Systems
In open systems where the components, i.e. the agents and the resources, may be unknown at design time, or in dynamic and self-organizing systems evolving with time, there is a ne...
Artem Katasonov, Vagan Y. Terziyan
ICAS
2009
IEEE
109views Robotics» more  ICAS 2009»
13 years 11 months ago
Ponder2: A Policy System for Autonomous Pervasive Environments
Policies form an important part of management and can be an effective means of implementing self-adaptation in pervasive systems. Most policy-based systems focus on large-scale ne...
Kevin P. Twidle, Naranker Dulay, Emil Lupu, Morris...