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Introduction to the Special Section on Best Papers from SEAMS 2014
Nelly Bencomo, Gregor Engels
Article No.: 22
Analyzing Latency-Aware Self-Adaptation Using Stochastic Games and Simulations
Javier Cámara, Gabriel A. Moreno, David Garlan, Bradley Schmerl
Article No.: 23
Self-adaptive systems must decide which adaptations to apply and when. In reactive approaches, adaptations are chosen and executed after some issue in the system has been detected (e.g., unforeseen attacks or failures). In proactive approaches,...
User-Centric Adaptation Analysis of Multi-Tenant Services
Jesús García-galán, Liliana Pasquale, Pablo Trinidad, Antonio Ruiz-Cortés
Article No.: 24
Multi-tenancy is a key pillar of cloud services. It allows different users to share computing and virtual resources transparently, meanwhile guaranteeing substantial cost savings. Due to the tradeoff between scalability and customization, one of...
Designing Adaptive Applications Deployed on Cloud Environments
Parisa Zoghi, Mark Shtern, Marin Litoiu, Hamoun Ghanbari
Article No.: 25
Designing an adaptive system to meet its quality constraints in the face of environmental uncertainties can be a challenging task. In a cloud environment, a designer has to consider and evaluate different control points, that is, those variables...
Inferring Software Component Interaction Dependencies for Adaptation Support
Naeem Esfahani, Eric Yuan, Kyle R. Canavera, Sam Malek
Article No.: 26
A self-managing software system should be able to monitor and analyze its runtime behavior and make adaptation decisions accordingly to meet certain desirable objectives. Traditional software adaptation techniques and recent...
Section: Special Section on Best Papers from SEAMS 2014
Just-in-Time Adaptive Algorithm for Optimal Parameter Setting in 802.15.4 WSNs
Simone Brienza, Manuel Roveri, Domenico De Guglielmo, Giuseppe Anastasi
Article No.: 27
Recent studies have shown that the IEEE 802.15.4 MAC protocol suffers from severe limitations, in terms of reliability and energy efficiency, when the CSMA/CA parameter setting is not appropriate. However, selecting the optimal setting that...
Connectivity Reestablishment in Self-Organizing Sensor Networks with Dumb Nodes
Pushpendu Kar, Arijit Roy, Sudip Misra
Article No.: 28
In this work, we propose a scheme, named CoRAD, for the reestablishment of lost connectivity using sensor nodes with adjustable communication range in stationary wireless sensor networks (WSNs), when “dumb” behavior occurs some...
In this article, we explore the topic of extending aggregate computation in distributed networks with self-stabilizing properties to withstand network dynamics. Existing research suggests that fast gossiping algorithms, based on the properties of...
Enhancing Reliability of Workflow Execution Using Task Replication and Spot Instances
Deepak Poola, Kotagiri Ramamohanarao, Rajkumar Buyya
Article No.: 30
Cloud environments offer low-cost computing resources as a subscription-based service. These resources are elastically scalable and dynamically provisioned. Furthermore, cloud providers have also pioneered new pricing models like spot instances...