[...]... 289 11 .1 11. 2 11 .3 11 .4 11 .5 Enterprise Layout 11 .1. 1 Network Layout 11 .1. 2 Facility Location 11 .1. 3 Facility Layout Cable Plant 11 .2 .1 Cabling Practices 11 .2.2 Copper Cable Plant 11 .2.3 Fiber-Optic Cable Plant Power Plant 11 .3 .1 Power Irregularities 11 .3.2 Power Supply 11 .3.3 Power Quality 11 .3.4 Backup Power 11 .3.5 Power Distribution Architecture 11 .3.6 Power Management Environmental Strategies 11 .4 .1. .. Management 12 .7.4 Capacity Planning and Optimization 12 .8 Service-Level Management 12 .9 QoS 12 .9 .1 Stages of QoS 12 .9.2 QoS Deployment 12 .9.3 QoS Strategies 289 290 290 2 91 2 91 292 296 299 3 01 302 303 304 308 312 314 315 315 318 319 320 323 323 325 326 328 3 31 333 334 334 335 336 338 3 41 342 342 345 346 Contents xiii 12 .10 Policy-Based Network Management 12 .11 Service-Level Agreements 12 .11 .1 Carrier/Service... Agreements 12 .12 Change Management 12 .13 Summary and Conclusions References 348 3 51 352 353 354 356 CHAPTER 13 Using Recovery Sites 359 13 .1 Types of Sites 13 .1. 1 Hot Sites 13 .1. 2 Cold Sites 13 .1. 3 Warm Sites 13 .1. 4 Mobile Sites 13 .2 Site Services 13 .2 .1 Hosting Services 13 .2.2 Collocation Services 13 .2.3 Recovery Services 13 .3 Implementing and Managing Recovery Sites 13 .3 .1 Networking Recovery Sites 13 .3.2... Strategies 10 .3 .1 Shared Disk 10 .3.2 File Replication 10 .3.3 Mirroring 10 .3.4 Journaling Backup Strategies 10 .4 .1 Full Backup 10 .4.2 Incremental Backup 10 .4.3 Differential Backup Storage Systems 10 .5 .1 Disk Systems 10 .5.2 RAID 10 .5.3 Tape Systems Storage Sites and Services 10 .6 .1 Storage Vault Services 10 .6.2 Storage Services Networked Storage 10 .7 .1 Storage Area Networks 10 .7.2 Network Attached Storage 10 .7.3... Techniques 7.3 Wireless Access 7.3 .1 Cellular/PCS 7.3.2 Wireless LAN 7.3.3 Microwave 7.3.4 Free Space Optics 7.3.5 Broadcast 7.3.6 Satellite 7.4 Summary and Conclusions References 15 3 15 4 15 6 15 8 15 9 16 2 16 3 16 5 16 7 16 7 16 9 16 9 17 1 17 2 17 2 17 3 17 5 CHAPTER 8 Mission-Critical Platforms 17 7 8 .1 8.2 8.3 8.4 8.5 8.6 Critical Platform Characteristics Platform Tolerance 8.2 .1 Fault Tolerance 8.2.2 Fault Resilience... 6.4 Caching 6.4 .1 Types of Caching Solutions 6.4.2 Caching Benefits and Drawbacks 6.4.3 Content Delivery Networks 6.5 Summary and Conclusions References 13 7 13 9 14 3 14 4 14 5 14 6 14 9 15 0 CHAPTER 7 Network Access Continuity 15 3 7 .1 Voice Network Access 7 .1. 1 PBXs 7 .1. 2 IP Telephony 7 .1. 3 Intelligent Voice Response and Voice Mail Systems 7 .1. 4 Carrier Services 7.2 Data Network Access 7.2 .1 Logical Link... Strategies 11 .4 .1 Air/Cooling 11 .4.2 Fire Protection Planning Summary and Conclusions References CHAPTER 12 Network Management for Continuity 12 .1 12.2 12 .3 12 .4 12 .5 12 .6 12 .7 Migrating Network Management to the Enterprise Topology Discovery Network Monitoring Problem Resolution Restoration Management Carrier/Supplier Management Traffic Management 12 .7 .1 Classifying Traffic 12 .7.2 Traffic Control 12 .7.3 Congestion... Platforms 8.3 .1 Hardware Architectures 8.3.2 Software Architecture Network Platforms 8.4 .1 Hardware Architectures 8.4.2 Operating Systems Platform Management 8.5 .1 Element Management System 8.5.2 Platform Maintenance Power Management 17 7 18 1 18 2 18 4 18 4 18 5 18 5 18 6 19 1 19 8 19 8 2 01 202 202 203 205 Contents 8.7 xi Summary and Conclusions References 206 207 CHAPTER 9 Software Application Continuity 209 9 .1 9.2... Enterprise SANs 10 .7.4 IP Storage Storage Operations and Management 209 210 214 214 216 217 218 220 2 21 222 223 224 228 228 2 31 2 31 234 235 237 237 237 238 242 242 244 245 247 247 247 248 2 51 254 254 255 256 257 268 270 2 71 273 xii Contents 10 .8 .1 Hierarchical Storage Management 10 .8.2 SAN Management 10 .8.3 Data Restoration/Recovery 10 .9 Summary and Conclusions References 274 275 279 283 285 CHAPTER 11 Continuity... Sites 13 .3.2 Recovery Operations 13 .4 Summary and Conclusions References 359 360 362 363 363 363 364 365 367 368 369 370 3 71 372 CHAPTER 14 Continuity Testing 373 14 .1 14.2 14 .3 14 .4 Requirements and Testing Test Planning Test Environment Test Phases 14 .4 .1 Unit Testing 14 .4.2 Integration Testing 14 .4.3 System Testing 14 .4.4 Acceptance Testing 14 .4.5 Troubleshooting Testing 14 .5 Summary and Conclusions . 11 3 6 .1 Clusters 11 3 6 .1. 1 Cluster Types 11 4 6 .1. 2 Cluster Resources 11 7 6 .1. 3 Cluster Applications 11 8 6 .1. 4 Cluster Design Criteria 11 8 6 .1. 5 Cluster Failover 11 9 6 .1. 6 Cluster Management 12 0 6 .1. 7. 290 11 .1. 2 Facility Location 290 11 .1. 3 Facility Layout 2 91 11. 2 Cable Plant 2 91 11. 2 .1 Cabling Practices 292 11 .2.2 Copper Cable Plant 296 11 .2.3 Fiber-Optic Cable Plant 299 11 .3 Power Plant 3 01 11. 3 .1. Plant 3 01 11. 3 .1 Power Irregularities 302 11 .3.2 Power Supply 303 11 .3.3 Power Quality 304 11 .3.4 Backup Power 308 11 .3.5 Power Distribution Architecture 312 11 .3.6 Power Management 314 11 .4 Environmental