Contribution Au Reroutage Distribue Dans Les Reseaux De Telecommunication

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Contribution au réroutage distribué dans les réseaux de télécommunication

Author : Dritan Nace
Publisher :
ISBN 13 :
Total Pages : 111 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Contribution au réroutage distribué dans les réseaux de télécommunication by : Dritan Nace

Download or read book Contribution au réroutage distribué dans les réseaux de télécommunication written by Dritan Nace and published by . This book was released on 1997 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: LES PROBLEMES D'OPTIMISATION DES RESEAUX FONT PARTIE DES GRANDES AXES DE LA RECHERCHE EN TELECOMMUNICATIONS. ON DISTINGUE LES PROBLEMES DE DIMENSIONNEMENT, DE ROUTAGE, DE REROUTAGE, ET DE PLANIFICATION DE LA RESERVE. NOTRE TRAVAIL DE THESE, QUI SE SITUE DANS LE CADRE D'UNE COLLABORATION DU CNET AVEC L'UTC, A PORTE SUR DES ETUDES POUR LE REROUTAGE. SON OBJECTIF DE BASE ETAIT LE DEVELOPPEMENT D'OUTILS PERFORMANTS POUR LA RECONFIGURATION DES RESEAUX EN TEMPS-REEL DANS LE CAS DE GROSSES PANNES DANS UN RESEAU DE TRANSMISSION. DE TELLES PANNES PEUVENT CONSIDERABLEMENT PENALISER LA QUALITE DE SERVICE (QS), SI UNE RECONFIGURATION RAPIDE DU RESEAU N'EST PAS ENGAGEE. TOUT AU LONG DE CETTE THESE NOUS AVONS CONSIDERE LE CAS DU REROUTAGE DISTRIBUE POUR LES RESEAUX DE TRANSMISSION, NOUS AVONS PROPOSE DEUX NOUVEAUX ALGORITHMES DE REROUTAGE DISTRIBUES. LE PREMIER ALGORITHME DEVELOPPE, EST BASE SUR L'UTILISATION DE CHEMINS PREDETERMINES. CECI DONNE UNE METHODE DE REROUTAGE HYBRIDE. EN EFFET, SON ASPECT PRECALCULE RESIDE DANS LA FACON DONT LES CHEMINS DE RESTAURATION SONT TROUVES, ET SON ASPECT DISTRIBUE SE CONCRETISE DANS LE DEROULEMENT DYNAMIQUE DU REROUTAGE. CONCU SUR UNE TOUTE AUTRE IDEE, LE DEUXIEME ALGORITHME UTILISE DES CHEMINS DE RESTAURATION CALCULES EN TEMPS-REEL. LE NOEUD RESPONSABLE DU REROUTAGE CALCULE LES CHEMINS CANDIDATS EN SE BASANT SUR SA PROPRE VISION DU RESEAU. REMARQUONS QUE LA VISION DES NOEUDS SUR LE RESEAU EVOLUE EN FONCTION DES INFORMATIONS APPORTEES PAR LES MESSAGES, CE QUI PERMET UN CALCUL FIABLE DES CHEMINS DE RESTAURATION. L'ETUDE THEORIQUE DE CES ALGORITHMES A ETE SUIVIE D'UN TRAVAIL INFORMATIQUE IMPORTANT. NOUS PRESENTONS LES RESULTATS OBTENUS PAR LA SIMULATION (EN C) DE NOS ALGORITHMES DE REROUTAGE ET LES COMPARONS AVEC CEUX OBTENUS PAR LES ALGORITHMES DE LA LITTERATURE, CE QUI DEMONTRE LA SUPERIORITE DE NOS ALGORITHMES. ENFIN, NOUS AVONS CONSIDERE LE PROBLEME DU SURDIMENSIONNEMENT DES RESEAUX SDH, QUI SE POSE GENERALEMENT COMME UN PLNE. NOUS AVONS CONCU ET DEVELOPPE UNE APPROCHE QUI UTILISE LES RESULTATS DU PROBLEME RELAXE (PL) POUR OBTENIR UNE SOLUTION EN NOMBRES ENTIERS PROCHE DE L'OPTIMUM.

Contribution au reroutage distribue dans les reseaux de telecommunication

Author : Dritan Nace
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (494 download)

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Book Synopsis Contribution au reroutage distribue dans les reseaux de telecommunication by : Dritan Nace

Download or read book Contribution au reroutage distribue dans les reseaux de telecommunication written by Dritan Nace and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Air Traffic Management for Commercial and Military Systems

Author :
Publisher :
ISBN 13 :
Total Pages : 1042 pages
Book Rating : 4.0/5 ( download)

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Download or read book Air Traffic Management for Commercial and Military Systems written by and published by . This book was released on 2002 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Conception et routage dans les réseaux de télécommunication

Author : Florence Boyer
Publisher :
ISBN 13 :
Total Pages : 167 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Conception et routage dans les réseaux de télécommunication by : Florence Boyer

Download or read book Conception et routage dans les réseaux de télécommunication written by Florence Boyer and published by . This book was released on 1997 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: LE TRAVAIL PRESENTE DANS CE MEMOIRE PORTE SUR LA CONCEPTION D'UN RESEAU DE TELECOMMUNICATIONS. CE PROBLEME DESIGNE LE CHOIX OPTIMAL D'UNE PART DES CAPACITES DES LIGNES DE TRANSMISSION COMPOSANT LE RESEAU ET D'AUTRE PART DU ROUTAGE DES DONNEES ECHANGEES. L'ETUDE EST MOTIVEE PAR LA NECESSITE DE PERMETTRE AUX ENTREPRISES DESIRANT ACQUERIR UN RESEAU DE TELECOMMUNICATIONS, DE BENEFICIER DE L'INSTALLATION LA MOINS COUTEUSE POSSIBLE TOUT EN GARANTISSANT UNE CERTAINE QUALITE DE SERVICE. LE MODELE PROPOSE TIENT COMPTE DU CARACTERE DISCRET DES VALEURS POSSIBLES POUR LES CAPACITES ET LE NIVEAU DE QUALITE DE SERVICE EST ASSURE PAR UNE CONTRAINTE LIMITANT LA VALEUR DU DELAI MOYEN TOTAL. LE PROBLEME EST FORMULE COMME UN PROGRAMME NON LINEAIRE EN VARIABLES MIXTES. LA TECHNIQUE DE RESOLUTION PROPOSEE ESSAIE D'EXPLOITER AU MIEUX LA STRUCTURE DECOMPOSABLE DU PROBLEME. ELLE S'APPUIE SUR LA METHODE DE DECOMPOSITION DE BENDERS GENERALISEE DONT NOUS PROPOSONS UNE APPLICATION EFFICACE SUR DES PROBLEMES DE TAILLE RAISONNABLE. UNE GRANDE PARTIE DES EFFORTS D'IMPLEMENTATION DE L'ALGORITHME DE BENDERS PORTE SUR LA RESOLUTION DES SOUS-PROBLEMES RESULTANTS DE L'APPLICATION DE LA METHODE. CE SONT D'UNE PART DES PROBLEMES DE MULTIFLOTS A COUTS CONVEXES QUI SONT RESOLUS PAR UNE METHODE DE DECOMPOSITION PROXIMALE, ET D'AUTRE PART DES PROBLEMES DE MULTIFLOTS ADMISSIBLES POUR LESQUELS PLUSIEURS ALGORITHMES SONT PROPOSES ET COMPARES

Annales des télécommunications

Author :
Publisher :
ISBN 13 :
Total Pages : 760 pages
Book Rating : 4.:/5 (334 download)

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Download or read book Annales des télécommunications written by and published by . This book was released on 2004-07 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Innovative Internet Community Systems

Author : Alain Bui
Publisher : Springer Science & Business Media
ISBN 13 : 3540339736
Total Pages : 215 pages
Book Rating : 4.5/5 (43 download)

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Download or read book Innovative Internet Community Systems written by Alain Bui and published by Springer Science & Business Media. This book was released on 2006-05-10 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thoroughly refereed post-proceedings of the 5th International Workshop on Innovative Internet Community Systems, IICS 2005, held in Paris, France, in June 2005. The 17 revised full papers presented have been carefully reviewed and selected from 27 submissions. They mainly address system-oriented problems, content and text processing, and theoretical foundations of quality-of-service problems of Internet protocols, aspects of cooperation and collaboration in Internet systems, as well as agent and text-processing-based methods.

Mapping the Travel Behavior Genome

Author : Konstadinos G. Goulias
Publisher :
ISBN 13 : 0128173408
Total Pages : 734 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Mapping the Travel Behavior Genome by : Konstadinos G. Goulias

Download or read book Mapping the Travel Behavior Genome written by Konstadinos G. Goulias and published by . This book was released on 2019-10-26 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mapping the Travel Behavior Genome covers the latest research on the biological, motivational, cognitive, situational, and dispositional factors that drive activity-travel behavior. Organized into three sections, Retrospective and Prospective Survey of Travel Behavior Research, New Research Methods and Findings, and Future Research, the chapters of this book provide evidence of progress made in the most recent years in four dimensions of the travel behavior genome. These dimensions are Substantive Problems, Theoretical and Conceptual Frameworks, Behavioral Measurement, and Behavioral Analysis. Including the movement of goods as well as the movement of people, the book shows how traveler values, norms, attitudes, perceptions, emotions, feelings, and constraints lead to observed behavior; how to design efficient infrastructure and services to meet tomorrow's needs for accessibility and mobility; how to assess equity and distributional justice; and how to assess and implement policies for improving sustainability and quality of life. Mapping the Travel Behavior Genome examines the paradigm shift toward more dynamic, user-centric, demand-responsive transport services, including the "sharing economy," mobility as a service, automation, and robotics. This volume provides research directions to answer behavioral questions emerging from these upheavals. Offers a wide variety of approaches from leading travel behavior researchers from around the world Provides a complete map of the methods, skills, and knowledge needed to work in travel behavior Describes the state of the art in travel behavior research, providing key directions for future research

Impact of Germplasm Research Spillovers

Author :
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.E/5 ( download)

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Download or read book Impact of Germplasm Research Spillovers written by and published by . This book was released on 1999 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Terra 2008

Author : Leslie Rainer
Publisher : Getty Publications
ISBN 13 : 1606060430
Total Pages : 438 pages
Book Rating : 4.6/5 (6 download)

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Book Synopsis Terra 2008 by : Leslie Rainer

Download or read book Terra 2008 written by Leslie Rainer and published by Getty Publications. This book was released on 2011-06-14 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.

Politics, Property and Production in the West African Sahel

Author : Tor Arve Benjaminsen
Publisher : Nordic Africa Institute
ISBN 13 : 9789171064769
Total Pages : 342 pages
Book Rating : 4.0/5 (647 download)

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Book Synopsis Politics, Property and Production in the West African Sahel by : Tor Arve Benjaminsen

Download or read book Politics, Property and Production in the West African Sahel written by Tor Arve Benjaminsen and published by Nordic Africa Institute. This book was released on 2001 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through a number of case studies from the West African Sahel, this book links and explores natural resources management from the perspectives of politics, property and production.

Science and Empires

Author : P. Petitjean
Publisher : Springer Science & Business Media
ISBN 13 : 9401125945
Total Pages : 419 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Science and Empires by : P. Petitjean

Download or read book Science and Empires written by P. Petitjean and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: SCIENCE AND EMPIRES: FROM THE INTERNATIONAL COLLOQUIUM TO THE BOOK Patrick PETITJEAN, Catherine JAMI and Anne Marie MOULIN The International Colloquium "Science and Empires - Historical Studies about Scientific De velopment and European Expansion" is the product of an International Colloquium, "Sciences and Empires - A Comparative History of Scien tific Exchanges: European Expansion and Scientific Development in Asian, African, American and Oceanian Countries". Organized by the REHSEIS group (Research on Epistemology and History of Exact Sciences and Scientific Institutions) of CNRS (National Center for Scientific Research), the colloquium was held from 3 to 6 April 1990 in the UNESCO building in Paris. This colloquium was an idea of Professor Roshdi Rashed who initiated this field of studies in France some years ago, and proposed "Sciences and Empires" as one of the main research programmes for the The project to organize such a colloquium was a bit REHSEIS group. of a gamble. Its subject, reflected in the title "Sciences and Empires", is not a currently-accepted sub-discipline of the history of science; rather, it refers to a set of questions which found autonomy only recently. The terminology was strongly debated by the participants and, as is frequently suggested in this book, awaits fuller clarification.

Database Anonymization

Author : Josep Domingo-Ferrer
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1627058443
Total Pages : 138 pages
Book Rating : 4.6/5 (27 download)

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Book Synopsis Database Anonymization by : Josep Domingo-Ferrer

Download or read book Database Anonymization written by Josep Domingo-Ferrer and published by Morgan & Claypool Publishers. This book was released on 2016-01-01 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current social and economic context increasingly demands open data to improve scientific research and decision making. However, when published data refer to individual respondents, disclosure risk limitation techniques must be implemented to anonymize the data and guarantee by design the fundamental right to privacy of the subjects the data refer to. Disclosure risk limitation has a long record in the statistical and computer science research communities, who have developed a variety of privacy-preserving solutions for data releases. This Synthesis Lecture provides a comprehensive overview of the fundamentals of privacy in data releases focusing on the computer science perspective. Specifically, we detail the privacy models, anonymization methods, and utility and risk metrics that have been proposed so far in the literature. Besides, as a more advanced topic, we identify and discuss in detail connections between several privacy models (i.e., how to accumulate the privacy guarantees they offer to achieve more robust protection and when such guarantees are equivalent or complementary); we also explore the links between anonymization methods and privacy models (how anonymization methods can be used to enforce privacy models and thereby offer ex ante privacy guarantees). These latter topics are relevant to researchers and advanced practitioners, who will gain a deeper understanding on the available data anonymization solutions and the privacy guarantees they can offer.

On Behalf of My Delegation--

Author : Joyeeta Gupta
Publisher :
ISBN 13 : 9781895536294
Total Pages : 98 pages
Book Rating : 4.5/5 (362 download)

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Book Synopsis On Behalf of My Delegation-- by : Joyeeta Gupta

Download or read book On Behalf of My Delegation-- written by Joyeeta Gupta and published by . This book was released on 2000 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Free and Fair Elections

Author : Guy S. Goodwin-Gill
Publisher : Inter-Parliamentary Union
ISBN 13 : 9291422770
Total Pages : 230 pages
Book Rating : 4.2/5 (914 download)

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Book Synopsis Free and Fair Elections by : Guy S. Goodwin-Gill

Download or read book Free and Fair Elections written by Guy S. Goodwin-Gill and published by Inter-Parliamentary Union. This book was released on 2006 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Water & Heritage

Author : Willem Willems
Publisher :
ISBN 13 : 9789088903861
Total Pages : 434 pages
Book Rating : 4.9/5 (38 download)

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Book Synopsis Water & Heritage by : Willem Willems

Download or read book Water & Heritage written by Willem Willems and published by . This book was released on 2017-01-15 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water is vital for life, and its availability has been a concern for mankind throughout the ages. Its presence has always been ascertained in a variety of ways and the development of human society everywhere is connected with various forms of water management. Man also needed to manage water to find protection from its dangers and the need for that is increasing. In the coming decades, the impact of climate change is expected to intensify floods and droughts, affect groundwater resources, raise sea levels, increase pollution and enhance the frequency and magnitude of disasters. Societies around the world are challenged to adapt to these threats to ensure water security, economic prosperity and environmental and cultural sustainability. This book deals with the heritage of water management and the use that was made of water, as well as the impact of water management on heritage. An example of the former may be an ancient irrigation system in the Filipines or in the Middle East that still functions today, while the latter may reflect the importance of maintaining groundwater levels for the preservation of organic remains on archaeological sites or of wooden piles underneath standing buildings. In either case the papers in this book reflect the dynamic nature of water, and hence the equally dynamic relation between water management and heritage. This publication follows up on a Heritage and Water conference in Amsterdam, the first of its kind. Its main purpose is to credibly present the importance and value of heritage and historical experience for water and sustainable development, and vice versa, present the importance of water management for the protection of heritage. It presents evolving insights and concepts about Water and about Heritage from a variety of disciplines, policy and public perspectives illustrated with cases studies and aims to connect decision makers with experts such as engineers, archaeologists, historians, geographers, ecologist and landscape architects

Nongovernmental Organizations in World Bank-supported Projects

Author : Christopher J. N. Gibbs
Publisher : World Bank Publications
ISBN 13 : 9780821344569
Total Pages : 98 pages
Book Rating : 4.3/5 (445 download)

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Book Synopsis Nongovernmental Organizations in World Bank-supported Projects by : Christopher J. N. Gibbs

Download or read book Nongovernmental Organizations in World Bank-supported Projects written by Christopher J. N. Gibbs and published by World Bank Publications. This book was released on 1999 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nongovernmental organizations (NGOs) are important to the Bank because of the skills and resources they bring to emergency relief and development activities. In addition, they foster participation in the development process. The strength of the World Bank's collaboration with NGOs has grown since the late 1980s. In recognition of the added value that NGOs bring to Bank-supported projects, there have been intense efforts to include them. However, this report identifies a gap between promise and performance. The report concludes that the Bank's guidelines on working with NGOs are sound but that existing guidelines need to be used more effectively. The report makes recommendations to improve these partnerships and increase their benefit to development projects. It is written in English, French, and Spanish.

European Data Protection: In Good Health?

Author : Serge Gutwirth
Publisher : Springer Science & Business Media
ISBN 13 : 9400729022
Total Pages : 368 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis European Data Protection: In Good Health? by : Serge Gutwirth

Download or read book European Data Protection: In Good Health? written by Serge Gutwirth and published by Springer Science & Business Media. This book was released on 2012-02-23 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although Europe has a significant legal data protection framework, built up around EU Directive 95/46/EC and the Charter of Fundamental Rights, the question of whether data protection and its legal framework are ‘in good health’ is increasingly being posed. Advanced technologies raise fundamental issues regarding key concepts of data protection. Falling storage prices, increasing chips performance, the fact that technology is becoming increasingly embedded and ubiquitous, the convergence of technologies and other technological developments are broadening the scope and possibilities of applications rapidly. Society however, is also changing, affecting the privacy and data protection landscape. The ‘demand’ for free services, security, convenience, governance, etc, changes the mindsets of all the stakeholders involved. Privacy is being proclaimed dead or at least worthy of dying by the captains of industry; governments and policy makers are having to manoeuvre between competing and incompatible aims; and citizens and customers are considered to be indifferent. In the year in which the plans for the revision of the Data Protection Directive will be revealed, the current volume brings together a number of chapters highlighting issues, describing and discussing practices, and offering conceptual analysis of core concepts within the domain of privacy and data protection. The book’s first part focuses on surveillance, profiling and prediction; the second on regulation, enforcement, and security; and the third on some of the fundamental concepts in the area of privacy and data protection. Reading the various chapters it appears that the ‘patient’ needs to be cured of quite some weak spots, illnesses and malformations. European data protection is at a turning point and the new challenges are not only accentuating the existing flaws and the anticipated difficulties, but also, more positively, the merits and the need for strong and accurate data protection practices and rules in Europe, and elsewhere.