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2011, ISBN: 1118038290
[EAN: 9781118038291], Neubuch, [PU: John Wiley & Sons], COMPUTERS / SOFTWARE DEVELOPMENT & ENGINEERING GENERAL, nach der Bestellung gedruckt Neuware -How Geographic Redundancy Can Improve… Plus…
Bauer, Eric, Adams, Randee, Eustace, Daniel:
Beyond Redundancy: How Geographic Redundancy Can Improve Service Availability and Reliability of Computer-Based Systems - Première édition2011, ISBN: 9781118038291
Edition reliée
Wiley-IEEE Press, Gebundene Ausgabe, Auflage: 1. 330 Seiten, Publiziert: 2011-12-02T00:00:01Z, Produktgruppe: Buch, 1.34 kg, Softwareentwicklung, IT-Ausbildung & -Berufe, Computer & Inter… Plus…
ISBN: 9781118038291
Beyond Redundancy ab 126.49 € als gebundene Ausgabe: How Geographic Redundancy Can Improve Service Availability and Reliability of Computer-Based Systems. Aus dem Bereich: Bücher, English… Plus…
ISBN: 9781118038291
John Wiley & Sons . Hardback. New. pp. 330 Index, John Wiley & Sons, 6
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Informations détaillées sur le livre - Beyond Redundancy ? How Geographic Redundancy Can Improve Service Availability and Reliability of Computer?Based Systems
EAN (ISBN-13): 9781118038291
ISBN (ISBN-10): 1118038290
Version reliée
Livre de poche
Date de parution: 2011
Editeur: John Wiley & Sons Inc
Livre dans la base de données depuis 2014-07-06T14:29:37+02:00 (Paris)
Page de détail modifiée en dernier sur 2023-03-09T07:13:50+01:00 (Paris)
ISBN/EAN: 9781118038291
ISBN - Autres types d'écriture:
1-118-03829-0, 978-1-118-03829-1
Autres types d'écriture et termes associés:
Auteur du livre: bauer daniel, else bauer, eric bauer, john case, randee, eric adams, eustace
Titre du livre: systems, computer service
Données de l'éditeur
Auteur: Eric Bauer; Randee Adams; Daniel Eustace
Titre: Beyond Redundancy - How Geographic Redundancy Can Improve Service Availability and Reliability of Computer-Based Systems
Editeur: John Wiley & Sons
330 Pages
Date de parution: 2011-12-02
Poids: 0,612 kg
Langue: Anglais
89,90 € (DE)
No longer receiving updates
163mm x 240mm x 21mm
BB; gebunden; Hardcover, Softcover / Informatik, EDV/Programmiersprachen; Computerprogrammierung und Softwareentwicklung; Qualität u. Zuverlässigkeit; Kommunikationsnetze; Kommunikationsnetz; Programmierung u. Software-Entwicklung; Electrical & Electronics Engineering; Programming & Software Development; Elektrotechnik u. Elektronik; Computer Science; Communication Technology - Networks; Quality & Reliability; Informatik; Qualität u. Zuverlässigkeit; Programmierung u. Software-Entwicklung; Kommunikationsnetze
Figures xv Tables xix Equations xxi Preface and Acknowledgments xxiii Audience xxiv Organization xxiv Acknowledgments xxvi PART 1 BASICS 1 1 SERVICE, RISK, AND BUSINESS CONTINUITY 3 1.1 Service Criticality and Availability Expectations 3 1.2 The Eight-Ingredient Model 4 1.3 Catastrophic Failures and Geographic Redundancy 7 1.4 Geographically Separated Recovery Site 11 1.5 Managing Risk 12 1.6 Business Continuity Planning 14 1.7 Disaster Recovery Planning 15 1.8 Human Factors 17 1.9 Recovery Objectives 17 1.10 Disaster Recovery Strategies 18 2 SERVICE AVAILABILITY AND SERVICE RELIABILITY 20 2.1 Availability and Reliability 20 2.2 Measuring Service Availability 25 2.3 Measuring Service Reliability 33 PART 2 MODELING AND ANALYSIS OF REDUNDANCY 35 3 UNDERSTANDING REDUNDANCY 37 3.1 Types of Redundancy 37 3.2 Modeling Availability of Internal Redundancy 44 3.3 Evaluating High-Availability Mechanisms 52 4 OVERVIEW OF EXTERNAL REDUNDANCY 59 4.1 Generic External Redundancy Model 59 4.2 Technical Distinctions between Georedundancy and Co-Located Redundancy 74 4.3 Manual Graceful Switchover and Switchback 75 5 EXTERNAL REDUNDANCY STRATEGY OPTIONS 77 5.1 Redundancy Strategies 77 5.2 Data Recovery Strategies 79 5.3 External Recovery Strategies 80 5.4 Manually Controlled Recovery 81 5.5 System-Driven Recovery 83 5.6 Client-Initiated Recovery 85 6 MODELING SERVICE AVAILABILITY WITH EXTERNAL SYSTEM REDUNDANCY 98 6.1 The Simplistic Answer 98 6.2 Framing Service Availability of Standalone Systems 99 6.3 Generic Markov Availability Model of Georedundant Recovery 103 6.4 Solving the Generic Georedundancy Model 115 6.5 Practical Modeling of Georedundancy 121 6.6 Estimating Availability Benefit for Planned Activities 130 6.7 Estimating Availability Benefit for Disasters 131 7 UNDERSTANDING RECOVERY TIMING PARAMETERS 133 7.1 Detecting Implicit Failures 134 7.2 Understanding and Optimizing RTO 141 8 CASE STUDY OF CLIENT-INITIATED RECOVERY 147 8.1 Overview of DNS 147 8.2 Mapping DNS onto Practical Client-Initiated Recovery Model 148 8.3 Estimating Input Parameters 154 8.4 Predicted Results 165 8.5 Discussion of Predicted Results 172 9 SOLUTION AND CLUSTER RECOVERY 174 9.1 Understanding Solutions 174 9.2 Estimating Solution Availability 177 9.3 Cluster versus Element Recovery 179 9.4 Element Failure and Cluster Recovery Case Study 182 9.5 Comparing Element and Cluster Recovery 186 9.6 Modeling Cluster Recovery 187 PART 3 RECOMMENDATIONS 201 10 GEOREDUNDANCY STRATEGY 203 10.1 Why Support Multiple Sites? 203 10.2 Recovery Realms 204 10.3 Recovery Strategies 206 10.4 Limp-Along Architectures 207 10.5 Site Redundancy Options 208 10.6 Virtualization, Cloud Computing, and Standby Sites 216 10.7 Recommended Design Methodology 217 11 MAXIMIZING SERVICE AVAILABILITY VIA GEOREDUNDANCY 219 11.1 Theoretically Optimal External Redundancy 219 11.2 Practically Optimal Recovery Strategies 220 11.3 Other Considerations 228 12 GEOREDUNDANCY REQUIREMENTS 230 12.1 Internal Redundancy Requirements 230 12.2 External Redundancy Requirements 233 12.3 Manually Controlled Redundancy Requirements 235 12.4 Automatic External Recovery Requirements 237 12.5 Operational Requirements 242 13 GEOREDUNDANCY TESTING 243 13.1 Georedundancy Testing Strategy 243 13.2 Test Cases for External Redundancy 246 13.3 Verifying Georedundancy Requirements 247 13.4 Summary 254 14 SOLUTION GEOREDUNDANCY CASE STUDY 256 14.1 The Hypothetical Solution 256 14.2 Standalone Solution Analysis 259 14.3 Georedundant Solution Analysis 263 14.4 Availability of the Georedundant Solution 269 14.5 Requirements of Hypothetical Solution 269 14.6 Testing of Hypothetical Solution 277 Summary 285 Appendix: Markov Modeling of Service Availability 292 Acronyms 296 References 298 About the Authors 300 Index 302Autres livres qui pourraient ressembler au livre recherché:
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