A Framework For Qos Provisioning In Operating Systems

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A framework for qos provisioning in operating systems

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (181 download)

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Book Synopsis A framework for qos provisioning in operating systems by :

Download or read book A framework for qos provisioning in operating systems written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A demanda progressiva por aplicações multimídia distribuídas, caracterizadas por fortes exigências sobre os recursos computacionais, torna evidente a necessidade de provisão de qualidade de serviço (QoS) em cada um dossubsistemas envolvidos, como redes de comunicação e sistemas operacionais. Ao mesmo tempo, tais subsistemas devem ser flexíveis para que possam oferecer novos serviços a aplicações futuras, ou seja, devem ser adaptáveis em tempo de execução. Especificamente, sistemas operacionais de uso geral provêm pouco ou nenhum suporte a QoS e à adaptabilidade dos serviços, impulsionando váriosestudos isolados nessas áreas. Observando-se algumas tecnologias implementadas em sistemas operacionais específicos, nota-se que os mecanismos de provisãopossuem certas semelhanças funcionais. Assim, este trabalho propõe uma arquitetura adaptável para a provisão de QoS nos subsistemas de rede e de escalonamento de processos de sistemas operacionais, independente de implementação, através da descrição de frameworks genéricos. É demonstrado, também, como os pontos de flexibilização desses frameworks podem ser especializados para a implementação de alguns modelos de QoS. Por último, é proposto um cenário de uso da arquitetura, no qual um sistema operacional de usogeral ligeiramente modificado é utilizado como infra-estrutura para a instanciação dos frameworks de QoS.

Realizing Services for Guaranteed-QoS Communication on a Microkernel Operating System

Author : Ashish Mehra
Publisher :
ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (436 download)

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Book Synopsis Realizing Services for Guaranteed-QoS Communication on a Microkernel Operating System by : Ashish Mehra

Download or read book Realizing Services for Guaranteed-QoS Communication on a Microkernel Operating System written by Ashish Mehra and published by . This book was released on 1998 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "Provision of end-to-end QoS guarantees on communication necessitates appropriate support in the end systems (i.e., hosts) and network routers that form the communication fabric. Typically, the support is in the form of suitable extensions to the communication subsystem and the underlying operating system for specification and maintenance of QoS guarantees. This paper focuses on the architectural and implementation challenges involved in realizing QoS-sensitive host communication subsystems on contemporary microkernel operating systems with limited real-time support. We motivate and describe the components constituting our integrated service architecture that together ensure QoS-sensitive handling of network traffic at both sending and receiving hosts. We separate the policies from mechanisms in each component, demonstrating a communication framework that can implement alternative QoS models by applying appropriate policies. We also report the results of a detailed execution profile of the system to characterize communication costs for the purposes of admission control. An experimental evaluation in a controlled configuration demonstrates the efficacy with which QoS guarantees are maintained, despite limitations imposed by the underlying operating system."

A framework for qos provisioning in wireless mobile networks

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (181 download)

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Book Synopsis A framework for qos provisioning in wireless mobile networks by :

Download or read book A framework for qos provisioning in wireless mobile networks written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Nas últimas décadas, tem-se observado um crescente interesse nas tecnologias relacionadas a ambientes de comunicação móvel sem fio. Em grande parte, esse interesse vem acompanhando o crescimento do mercado de telecomunicações, mais especificamente dos sistemas de telefonia móvel celular. Os usuários vêm absorvendo rapidamente essas tecnologias, originando novas necessidades, como a utilização de serviços de dados multimídia, que exige garantias de qualidade. Nessecontexto, um dos desafios encontrados é conseguir a utilização eficiente do limitado espectro de freqüências disponível, fornecendo serviços com qualidade para osusuários. Esta dissertação propõe uma arquitetura para provisão de qualidade de serviço -QoS- fim-a-fim em redes móveis sem fio, levando em consideração características inerentes a esses ambientes. Para alcançar esse objetivo, são propostas modificações aos frameworks para provisão de QoS em ambientes genéricos de processamento e comunicação, visando atender às necessidades trazidas pelas redes móveis, gerando uma arquitetura adaptável para fornecer QoS em ambientes que ofereçam suporte à mobilidade. Uma instanciação dos frameworks para provisão de QoS em redes móveis sem fio é descrita através de um cenário de mobilidade, no qual é simulada uma rede infraestruturadade serviços integrados funcionando sobre o IP Móvel, de modo a validar a peoposta.

Multimedia Systems

Author : Ralf Steinmetz
Publisher : Springer Science & Business Media
ISBN 13 : 3662088789
Total Pages : 478 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Multimedia Systems by : Ralf Steinmetz

Download or read book Multimedia Systems written by Ralf Steinmetz and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multimedia Systems discusses the basic characteristics of multimedia operating systems, networking and communication, and multimedia middleware systems. The overall goal of the book is to provide a broad understanding of multimedia systems and applications in an integrated manner: a multimedia application and its user interface must be developed in an integrated fashion with underlying multimedia middleware, operating systems, networks, security, and multimedia devices. Fundamental characteristics of multimedia operating and distributed communication systems are presented, especially scheduling algorithms and other OS supporting approaches for multimedia applications with soft-real-time deadlines, multimedia file systems and servers with their decision algorithms for data placement, scheduling and buffer management, multimedia communication, transport, and streaming protocols, services with their error control, congestion control and other Quality of Service aware and adaptive algorithms, synchronization services with their skew control methods, and group communication with their group coordinating algorithms and other distributed services.

From QoS Provisioning to QoS Charging

Author : Burkhard Stiller
Publisher : Springer
ISBN 13 : 9783540458593
Total Pages : 0 pages
Book Rating : 4.4/5 (585 download)

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Book Synopsis From QoS Provisioning to QoS Charging by : Burkhard Stiller

Download or read book From QoS Provisioning to QoS Charging written by Burkhard Stiller and published by Springer. This book was released on 2003-06-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of the Lecture Notes in Computer Science series contains the set of papers accepted for publication at the colocated QofIS/ICQT 2002 workshops, i.e. the 3rd COST Action 263 International Workshop on Quality of future Internet Services (QofIS) and the 2nd International Workshop on Internet Charging and QoS Technology (ICQT), both of which took place at the ETH Zric h, Switzerland, hosted by the Computer Engineering and Networking Laboratory, TIK. QofIS 2002 was the third in a series of highly successful technical workshops and meetings on Internet services within the framework of the COST Action 263 Q uality of future Internet Services , following previous events in Berlin, Germany in 2000 and in Coimbra, Portugal in 2001. ICQT 2002 was the follow-up to a vivid and extremely well-attended workshop on Internet economics and charging technology that took place within the framework of the Annual Meeting of the German Society for Computer Science (GI) and the Austrian Computer Society in 2001 in Vienna, Austria.

A Framework for QoS Updates in a Networking Environment

Author : Burkhard Stiller
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (343 download)

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Book Synopsis A Framework for QoS Updates in a Networking Environment by : Burkhard Stiller

Download or read book A Framework for QoS Updates in a Networking Environment written by Burkhard Stiller and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "The support of sufficient Quality-of-Service (QoS) for applications residing in a distributed environment and running on top of high performance networks is a demanding issue. Currently, the areas to provide this support adequately include communication protocols, operating systems support, and offered network services. A configurable approach of communication protocols offers the needed protocol flexibility to react accordingly on various different requirements. Communication protocols and operating systems have to be parametrized using internal configuration parameters, such as window sizes, retry counters, or scheduling mechanisms, that rely closely on requested application-oriented or network- dependent QoS, such as bandwidth or delay. Moreover, these internal parameters have to be recalculated from time to time due to network changes (such as congestion or line break-down) or due to application- specific alterations (such as enhanced bandwidth requirements or increased reliability) to adjust a temporary or semi-permanent 'out-of-tune' service behavior. Therefore, a rule-based evaluation and QoS updating framework for configuration parameters in a networking environment has been developed. The resulting 'rulework' can be used within highly dynamic environments in a communication subsystem that offers the possibility to specify for every QoS parameter both a bounding interval of values and an average value. As an example, the framework has been integrated in the Function-based Communication Subsystem (F-CSS). Especially, an enhanced application service interface is offered, allowing for the specification of various QoS-parameters that are used to configure a sufficient application-tailored communication protocol."

Mobile Wireless Middleware, Operating Systems, and Applications

Author : Cristian Borcea
Publisher : Springer
ISBN 13 : 3642366600
Total Pages : 275 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Mobile Wireless Middleware, Operating Systems, and Applications by : Cristian Borcea

Download or read book Mobile Wireless Middleware, Operating Systems, and Applications written by Cristian Borcea and published by Springer. This book was released on 2013-02-02 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the thoroughly refereed proceedings of the 5th International Conference on Mobile Wireless Middleware, Operating Systems, and Applications, Mobilware 2012, held in Berlin, Germany, in November 2012. The 18 revised full papers presented were carefully reviewed and selected from numerous contributions. The papers are organized in topical sections on Internet of things and mobile sensing, mobile middleware platforms, mobile networks, systems support for mobile applications, and context awareness.

Enabling Architectures for QoS Provisioning

Author : Kim-Khoa Nguyen
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Enabling Architectures for QoS Provisioning by : Kim-Khoa Nguyen

Download or read book Enabling Architectures for QoS Provisioning written by Kim-Khoa Nguyen and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

From QoS Provisioning to QoS Charging

Author : Burkhard Stiller
Publisher : Springer
ISBN 13 : 354045859X
Total Pages : 359 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis From QoS Provisioning to QoS Charging by : Burkhard Stiller

Download or read book From QoS Provisioning to QoS Charging written by Burkhard Stiller and published by Springer. This book was released on 2003-06-30 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of the Lecture Notes in Computer Science series contains the set of papers accepted for publication at the colocated QofIS/ICQT 2002 workshops, i.e. the 3rd COST Action 263 International Workshop on Quality of future Internet Services (QofIS) and the 2nd International Workshop on Internet Charging and QoS Technology (ICQT), both of which took place at the ETH Zric h, Switzerland, hosted by the Computer Engineering and Networking Laboratory, TIK. QofIS 2002 was the third in a series of highly successful technical workshops and meetings on Internet services within the framework of the COST Action 263 Q uality of future Internet Services , following previous events in Berlin, Germany in 2000 and in Coimbra, Portugal in 2001. ICQT 2002 was the follow-up to a vivid and extremely well-attended workshop on Internet economics and charging technology that took place within the framework of the Annual Meeting of the German Society for Computer Science (GI) and the Austrian Computer Society in 2001 in Vienna, Austria.

Building a National Distributed E-Infrastructure -- PL-Grid

Author : Marian Bubak
Publisher : Springer Science & Business Media
ISBN 13 : 3642282660
Total Pages : 364 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Building a National Distributed E-Infrastructure -- PL-Grid by : Marian Bubak

Download or read book Building a National Distributed E-Infrastructure -- PL-Grid written by Marian Bubak and published by Springer Science & Business Media. This book was released on 2012-03-02 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes scientific results obtained by project partners and outcomes of research and development activities carried out within the Polish Infrastructure for Information Science Support in the European Research Space PL-Grid (PL-Grid 2011).

Handbook of Research on Grid Technologies and Utility Computing: Concepts for Managing Large-Scale Applications

Author : Udoh, Emmanuel
Publisher : IGI Global
ISBN 13 : 1605661856
Total Pages : 396 pages
Book Rating : 4.6/5 (56 download)

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Book Synopsis Handbook of Research on Grid Technologies and Utility Computing: Concepts for Managing Large-Scale Applications by : Udoh, Emmanuel

Download or read book Handbook of Research on Grid Technologies and Utility Computing: Concepts for Managing Large-Scale Applications written by Udoh, Emmanuel and published by IGI Global. This book was released on 2009-05-31 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book provides a compendium of terms, definitions, and explanations of concepts, issues, and trends in grid technology"--Provided by publisher.

Advanced Information Networking and Applications

Author : Leonard Barolli
Publisher : Springer Nature
ISBN 13 : 303157916X
Total Pages : 510 pages
Book Rating : 4.0/5 (315 download)

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Book Synopsis Advanced Information Networking and Applications by : Leonard Barolli

Download or read book Advanced Information Networking and Applications written by Leonard Barolli and published by Springer Nature. This book was released on with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Collaborative Business Ecosystems and Virtual Enterprises

Author : Luis M. Camarinha-Matos
Publisher : Springer
ISBN 13 : 0387355855
Total Pages : 629 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Collaborative Business Ecosystems and Virtual Enterprises by : Luis M. Camarinha-Matos

Download or read book Collaborative Business Ecosystems and Virtual Enterprises written by Luis M. Camarinha-Matos and published by Springer. This book was released on 2013-06-29 with total page 629 pages. Available in PDF, EPUB and Kindle. Book excerpt: Towards collaborative business ecosystems Last decade was fertile in the emerging of new collaboration mechanisms and forms of dynamic virtual organizations, leading to the concept of dynamic business ecosystem, which is supported (or induced ?) by the progress of the ubiquitous I pervasive computing and networking. The new technologies, collaborative business models, and organizational forms supported by networking tools "invade" all traditional businesses and organizations what requires thinking in terms of whole systems, i. e. seeing each business as part of a wider economic ecosystem and environment. It is also becoming evident that the agile formation of very dynamic virtual organizations depends on the existence of a proper longer-term "embedding" or "nesting" environment (e. g. regional industry cluster), in order to guarantee certain basic requirements such as trust building ("Trusting your partner" is a gradual and long process); common interoperability, ontology, and distributed collaboration infrastructures; agreed business practices (requiring substantial engineering Ire-engineering efforts); a sense of community ("we vs. the others"), and some sense of stability (when is a dynamic state or a stationary state useful). The more frequent situation is the case in which this "nesting" environment is formed by organizations located in a common region, although geography is not a major facet when cooperation is supported by computer networks.

QoS Prediction in Cloud and Service Computing

Author : Yilei Zhang
Publisher : Springer
ISBN 13 : 9811052786
Total Pages : 130 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis QoS Prediction in Cloud and Service Computing by : Yilei Zhang

Download or read book QoS Prediction in Cloud and Service Computing written by Yilei Zhang and published by Springer. This book was released on 2017-08-02 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a systematic and practical overview of Quality of Service prediction in cloud and service computing. Intended to thoroughly prepare the reader for research in cloud performance, the book first identifies common problems in QoS prediction and proposes three QoS prediction models to address them. Then it demonstrates the benefits of QoS prediction in two QoS-aware research areas. Lastly, it collects large-scale real-world temporal QoS data and publicly releases the datasets, making it a valuable resource for the research community. The book will appeal to professionals involved in cloud computing and graduate students working on QoS-related problems.

Networks

Author : Kurt Geihs
Publisher : Springer Science & Business Media
ISBN 13 : 3642574769
Total Pages : 205 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Networks by : Kurt Geihs

Download or read book Networks written by Kurt Geihs and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: New information and communication technologies unquestionably brought about enormous changes that resulted in an ever-increasing networked society. Indeed, there is no area in the social and economic world which is unaffected by the recent advances. In response to these changes scientists from numerous disciplines teamed up in 1997 to lay a foundation for a common theory of networks. The objective was to gain a deeper understanding of the mechanisms behind social, economic, technical and other kinds of networks in order to develop a unified theory of networks. Such a theory would then guide public and private decisions concerning the planning, operations and controlling of all kinds of networks. The contributions in this book represent the first steps toward this ambitious goal.

Computational Science — ICCS 2004

Author : Marian Bubak
Publisher : Springer
ISBN 13 : 3540246886
Total Pages : 1376 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Computational Science — ICCS 2004 by : Marian Bubak

Download or read book Computational Science — ICCS 2004 written by Marian Bubak and published by Springer. This book was released on 2004-05-12 with total page 1376 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Conference on Computational Science (ICCS 2004) held in Krak ́ ow, Poland, June 6–9, 2004, was a follow-up to the highly successful ICCS 2003 held at two locations, in Melbourne, Australia and St. Petersburg, Russia; ICCS 2002 in Amsterdam, The Netherlands; and ICCS 2001 in San Francisco, USA. As computational science is still evolving in its quest for subjects of inves- gation and e?cient methods, ICCS 2004 was devised as a forum for scientists from mathematics and computer science, as the basic computing disciplines and application areas, interested in advanced computational methods for physics, chemistry, life sciences, engineering, arts and humanities, as well as computer system vendors and software developers. The main objective of this conference was to discuss problems and solutions in all areas, to identify new issues, to shape future directions of research, and to help users apply various advanced computational techniques. The event harvested recent developments in com- tationalgridsandnextgenerationcomputingsystems,tools,advancednumerical methods, data-driven systems, and novel application ?elds, such as complex - stems, ?nance, econo-physics and population evolution.

Protocols for High Speed Networks IV

Author : G. Neufeld
Publisher : Springer
ISBN 13 : 0387348859
Total Pages : 362 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Protocols for High Speed Networks IV by : G. Neufeld

Download or read book Protocols for High Speed Networks IV written by G. Neufeld and published by Springer. This book was released on 2013-11-11 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Welcome to the fourth IFIP workshop on protocols for high speed networks in Vancouver. This workshop follows three very successful workshops held in Ziirich (1989), Palo Alto (1990) and Stockholm (1993) respectively. We received a large number of papers in response to our call for contributions. This year, forty papers were received of which sixteen were presented as full papers and four were presented as poster papers. Although we received many excellent papers the program committee decided to keep the number of full presentations low in order to accommodate more discussion in keeping with the format of a workshop. Many people have contributed to the success of this workshop including the members of the program committee who, with the additional reviewers, helped make the selection of the papers. We are thankful to all the authors of the papers that were submitted. We also thank several organizations which have contributed financially to this workshop, specially NSERC, ASI, CICSR, UBC, MPR Teltech and Newbridge Networks.