Using fail-stop proxies for enhancing services isolation in the OSGi service platform

Gama, Kiev; Rudametkin, Walter; Donsez, Didier

doi:10.1145/1462802.1462804

Cited by 3 publications

(4 citation statements)

References 12 publications

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“…Regarding WI solution, the instantiation time is also high (having to interpret the WSDL service interface) and the interchange time is also very high (using object serialization in RMI rather than reflective or direct methods). Other reviewed performance analysis [10] confirms these values. The obtained results by performing the second test in these solutions are shown in Table 3.…”

Section: Performance Evaluationmentioning

confidence: 58%

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Flexible Service Composition Based on Bundle Communication in OSGi

Alcarria¹,

Robles²,

Morales³

et al. 2012

KSII TIIS

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Service provision and consumption platforms are more and more used to enable communication between sensors, actuators and intelligent devices, since they provide mechanisms that make possible the combination of components to create composed services. However, these kinds of platforms have limitations to adapt themselves to new and unknown devices. In this work we analyze the challenge of component or bundle communication by using the Open Services Gateway Initiative (OSGi) technology and we propose three mechanisms with the aim of contributing to flexible component communication: Common Service, Specific Service and WSIF Web Service Invocation. We provide these solutions with some architectural models and validate them through different example services. Finally we compare them regarding performance, flexibility and application complexity.

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Section: Performance Evaluationmentioning

confidence: 58%

“…The reflection mechanism in OSGi is often used when it is needed to invoke services described in SDL documents, as in the work of Anke et al [9], which exposes OSGi services as Web services. Reflection in OSGi is also used to make performance comparisons [10] and reconfigurable middleware [11] (e.g. through the iPOJO solution [12]).…”

Section: Specific Servicementioning

confidence: 99%

Flexible Service Composition Based on Bundle Communication in OSGi

Alcarria¹,

Robles²,

Morales³

et al. 2012

KSII TIIS

View full text Add to dashboard Cite

show abstract

“…Other reviewed 9. RESOURCE ACCESS 123 performance analysis (Gama et al, 2008) confirms these values. The obtained results by performing the second test in these solutions are shown in Table 6.…”

Section: Performance Evaluationmentioning

confidence: 72%

“…The reflection mechanism in OSGi is often used when it is needed to invoke services described in SDL documents, as in the work of Anke & Sell (2007), which exposes OSGi services as Web services. Reflection in OSGi is also used to make performance comparisons (Gama, Rudametkin, & Donsez, 2008) and reconfigurable middleware (Paolo Bellavista, Corradi, Fontana, & Monti, 2011), such as through the iPOJO solution (Escoffier, Hall, & Lalanda, 2007). The architecture of the Specific Service (SS) solution is presented in Figure 50.…”

Section: Specific Servicementioning

confidence: 99%

Contribution to flexible service coordination in mobile prosumer environments

Alcarria¹

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After a long journey full of joys, disappointments, surprises and effort, I present this thesis work. Although the completion of my PhD studies has been the main priority these five years, it has not always been possible to dedicate sufficient time. Yet I am very satisfied with the work done and I want to express my sincere gratitude to the people without whom the completion of this work would not have been possible.First of all, I thank my advisor, Tomás Robles, for leading me through this adventure, giving me his guidance and advice, as well as bringing me courage and hopes with the results. Tomás always says that "the PhD is a long distance race, and it is oneself who has to push". However, he has helped me stay strong throughout the race, thanks to his confidence and experience.I also thank the members of my research group GISAI, from the Department of Telematics Engineering, for sharing concerns, laughs, and ideas and for working together in the same direction. Special thanks to Augusto, Sergio, Diego, Edwin and Héctor, without overlooking Angelines Villar, for all the paperwork she helped me doing, from the department secretary, always with patience and kindness.Well-deserved thanks to all the teachers I've had the pleasure to work with during this period, Carlos Ángel and Mercedes, as well as teachers from other schools who have given me their trust, Miguel Ángel Manso and Manolo Cortijo.Of course, I must acknowledge the push and support of all my friends over the last few years, with which Iʹve shared long afternoons and evenings playing Catán, Party and all the Just Dance games ever published.Finally, I dedicate this thesis to my family. To my parents Ramón and Rosa, for their unconditional support, help and sacrifice throughout my life, especially the student one, and to my brother Andrés, for his advice and good company. I cannot help but express my sincere thanks to my princess, for her patience, trust and her great devotion and love.Madrid, November 2013 vi vii AgradecimientosTras un largo camino lleno de alegrías, decepciones, sorpresas y esfuerzo, presento este proyecto de tesis. Aunque la finalización del doctorado ha sido la principal prioridad es estos cinco años, no siempre ha sido posible dedicarle el tiempo suficiente. Aun así estoy muy satisfecho con el trabajo realizado y quiero expresar mi sincera gratitud a las personas sin las cuales la finalización de este trabajo no habría sido posible.En primer lugar, agradecer a mi director de tesis, Tomás Robles, el haberme conducido a través de esta aventura, proporcionándome su guía y consejo, además de infundirme ánimos e ilusiones con los resultados. Tomás siempre dice que "el doctorado es una carrera de fondo, y que es uno mismo el que tiene que empujar". Sin embargo, él me ha ayudado a conservar la fuerza durante toda la carrera, gracias a su confianza y a su experiencia.Agradecer también a los miembros de mi grupo de investigación GISAI, del Departamento de Ingeniería de Sistemas Telemáticos, por compartir inquietudes, risas, ideas y trabajar...

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A Self-healing Component Sandbox for Untrustworthy Third Party Code Execution

Gama

Donsez

2010

Component-Based Software Engineering

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International audienceThis paper presents an architecture and implementation of a self-healing sandbox for the execution of third party code dynamically loaded which may potentially put in risk application stability. By executing code in a fault contained sandbox, no faults are propagated to the trusted part of the application. The sandbox is monitored by a control loop that is able to predict and avoid known types of faults. If the sandbox crashes or hangs, it can be automatically recovered to normal activity without needing to stop the main application. A comparison between an implementation of the sandbox in a domain-based isolation and operating-system based isolation analyses performance overhead, memory footprint and sandbox reboot time in both approaches. The implementation has been tested in a simulation of an RFID and sensor-based application

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Using fail-stop proxies for enhancing services isolation in the OSGi service platform

Cited by 3 publications

References 12 publications

Flexible Service Composition Based on Bundle Communication in OSGi

Flexible Service Composition Based on Bundle Communication in OSGi

Contribution to flexible service coordination in mobile prosumer environments

A Self-healing Component Sandbox for Untrustworthy Third Party Code Execution

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