Video Systems in an IT Environment: The Basics of Professional Networked Media and File-based Workflows

Front Cover......Page 1
Video Systems in an IT Environment: The Basics of Networked Media and File-Based Workflows......Page 4
Copyright Page......Page 5
Acknowledgments......Page 6
Contents......Page 8
Introduction......Page 10
CHAPTER 1 Networked Media in an IT Environment......Page 16
1.1 WHAT IS NETWORKED MEDIA?......Page 17
1.2 MOTIVATION TOWARD NETWORKED MEDIA......Page 20
1.3 THREE FUNDAMENTAL METHODS OF MOVING A/V DATA......Page 36
1.5 CAN \"IT\" MEET THE NEEDS OF A/V WORKFLOWS?......Page 38
1.6 ADVANTAGES AND DISADVANTAGES OF METHODS......Page 43
REFERENCES......Page 46
CHAPTER 2 The Basics of Professional Networked Media......Page 48
2.0 INTRODUCTION......Page 49
2.1 CORE ELEMENTS......Page 50
2.2 STANDARDS......Page 56
2.3 A/V MEDIA CLIENTS......Page 59
2.4 FILE TRANSFER, STREAMING, AND DIRECT-TO-STORAGE CONCEPTS......Page 63
2.5 THE THREE PLANES......Page 86
2.6 INTEROPERABILITY DOMAINS......Page 87
2.7 TRICKS FOR MAKING IT ELEMENTS WORK IN REAL TIME......Page 90
2.8 USING IT METHODS TO ROUTE TRADITIONAL A/V SIGNALS......Page 93
REFERENCES......Page 95
CHAPTER 3A Storage System Basics......Page 96
3A.0 INTRODUCTION TO STORAGE SYSTEMS......Page 97
3A.1 STORAGE VIRTUALIZATION AND FILE SYSTEM METHODS......Page 102
3A.2 CLIENT TRANSACTION TYPES AND STORAGE PERFORMANCE......Page 111
3A.3 STORAGE SUBSYSTEMS......Page 118
3A.4 JBOD AND RAID ARRAYS......Page 123
3A.6 OBJECT STORAGE......Page 124
3A.7 HIERARCHICAL AND ARCHIVAL STORAGE......Page 126
3A.8 IT\'S A WRAP: SOME FINAL WORDS......Page 134
REFERENCES......Page 135
CHAPTER 3B Storage Access Methods......Page 136
3B.0 STORAGE CONNECTIVITY: DAS, SAN, AND NAS......Page 137
3B.1 DIRECT ATTACHED STORAGE......Page 138
3B.2 STORAGE AREA NETWORKS......Page 146
3B.3 NETWORK ATTACHED STORAGE......Page 158
3B.4 CACHING METHODS......Page 168
REFERENCES......Page 170
CHAPTER 4 Software Technology for A/V Systems......Page 172
4.0 INTRODUCTION......Page 173
4.1 USER APPLICATION REQUIREMENTS......Page 174
4.2 SOFTWARE ARCHITECTURES—THE FOUR TYPES......Page 175
4.3 MIDDLEWARE CONNECTIVITY......Page 194
4.4 IMPLEMENTATION FRAMEWORKS......Page 198
4.5 METHODS OF VIRTUALIZATION......Page 201
4.6 OPEN SOURCE SOFTWARE......Page 205
4.7 HIGH-PERFORMANCE REAL-TIME SYSTEMS......Page 206
4.8 SOFTWARE MAINTENANCE AND SYSTEM EVOLUTION......Page 207
REFERENCES......Page 209
CHAPTER 5 Reliability and Scalability Methods......Page 212
5.0 INTRODUCTION TO HIGH-AVAILABILITY SYSTEMS......Page 213
5.1 HDD RELIABILITY METRICS......Page 220
5.2 METHODS FOR HIGH-AVAILABILITY DESIGN......Page 223
5.3 ARCHITECTURAL CONCEPTS FOR HA......Page 234
5.4 SCALING AND UPGRADING SYSTEM COMPONENTS......Page 243
REFERENCES......Page 245
CHAPTER 6 Networking Basics for A/V......Page 246
6.1 THE SEVEN-LAYER STACK......Page 247
6.2 VIRTUAL LANS......Page 264
6.3 TCP/IP PERFORMANCE......Page 266
6.4 THE WIDE AREA NETWORK (WAN)......Page 271
6.5 CARRIER ETHERNET (E-LAN AND E-LINE)......Page 274
6.6 UNDERSTANDING QUALITY OF SERVICE FOR NETWORKS......Page 275
6.7 IT\'S A WRAP—SOME FINAL WORDS......Page 280
REFERENCES......Page 281
CHAPTER 7 Media Systems Integration......Page 282
7.1 THE THREE PLANES......Page 283
7.2 WRAPPER FORMATS AND MXF......Page 293
7.3 ADVANCED AUTHORING FORMAT (AAF)......Page 303
7.4 XML AND METADATA......Page 306
7.5 MEDIA ASSET MANAGEMENT......Page 311
7.6 THE FUNDAMENTAL ELEMENTS OF MEDIA WORKFLOWS......Page 318
7.7 BROADCAST AUTOMATION......Page 329
REFERENCES......Page 330
CHAPTER 8 Security for Networked A/V Systems......Page 332
8.0 INTRODUCTION AND SCOPE......Page 333
8.1 THE THREAT MATRIX......Page 335
8.2 PREVENTION TACTICS......Page 337
8.3 PREVENTION TECHNOLOGY......Page 341
8.4 BASICS OF CRYPTOGRAPHY......Page 350
REFERENCES......Page 359
CHAPTER 9 Systems Management and Monitoring......Page 360
9.0 INTRODUCTION......Page 361
9.1 THE FCAPS MODEL......Page 362
9.2 TRADITIONAL A/V MONITORING METHODS......Page 363
9.3 AV/IT MONITORING ENVIRONMENT......Page 367
9.4 STANDARDS FOR SYSTEMS MANAGEMENT......Page 376
9.5 SERVICE DIAGNOSTICS......Page 383
9.6 FUTURES—DCML......Page 386
REFERENCE......Page 387
CHAPTER 10 The Transition to IT: Issues and Case Studies......Page 388
10.0 ISSUES IN THE TRANSITION TO IT......Page 389
10.1 ORGANIZATIONAL AND FINANCIAL......Page 390
10.2 TECHNICAL OPERATIONS AND SUPPORT......Page 392
10.3 OPERATIONS, USERS, AND WORKFLOW......Page 395
10.4 CASE STUDIES......Page 397
10.5 GENERIC AV/IT SYSTEM DIAGRAM......Page 408
10.6 THE IT-BASED VIDEO SYSTEM—FREQUENTLY ASKED QUESTIONS......Page 409
10.7 IT\'S A WRAP—SOME FINAL WORDS......Page 412
CHAPTER 11 A Review of A/V Basics......Page 414
11.1 A DIGITAL VIEW OF AN ANALOG WORLD......Page 415
11.2 PROGRESSIVE AND INTERLACE IMAGES......Page 416
11.3 VIDEO SIGNAL TIMING......Page 419
11.4 VIDEO RESOLUTIONS AND ASPECT RATIOS......Page 420
11.5 VIDEO SIGNAL REPRESENTATIONS......Page 424
11.6 SDI REVIEW—THE UBIQUITOUS A/V DIGITAL LINK......Page 433
11.7 VIDEO SIGNAL PROCESSING AND ITS APPLICATIONS......Page 436
11.8 A/V BIT RATE REDUCTION TECHNIQUES......Page 439
11.9 VIDEO TIME CODE BASICS......Page 448
REFERENCES......Page 449
Appendix A: Fast Shortcuts for Computing 2[sup(N)]......Page 450
Appendix B: Achieving Frame Accuracy in a Non-frame Accurate World......Page 452
C.0 GRID COMPUTING......Page 454
C.1 GRID COMPUTING AND THE RIEMANN ZETA FUNCTION......Page 455
C.3 UTILITY AND CLOUD COMPUTING......Page 456
C.4 SMP COMPUTING......Page 457
Appendix D: The Information Flood—One Zettabyte of Data......Page 458
REFERENCES......Page 459
Appendix E: 8B/10B Line Coding......Page 460
Appendix F: Digital Hierarchies......Page 462
F.0 OPTICAL CARRIERS IN SONET AND THE SDH......Page 463
F.1 CONCLUSION......Page 464
Appendix G: 270 Million—A Magic Number in Digital Video......Page 466
H.0 ARCHITECTURAL OVERVIEW......Page 468
H.1 SUMMARY......Page 470
Appendix I: Is It Rabbits Multiplying or Is It Streaming?......Page 472
Appendix J: How to Evaluate a Video Server......Page 474
J.0 THE THREE PLANES......Page 475
J.3 SCALABILITY......Page 476
J.5 SUMMARY......Page 477
K.1 THE PLAYERS......Page 478
K.3 OUTLOOK......Page 479
Appendix L: Solid State Discs Set Off Flash Flood......Page 480
REFERENCES......Page 481
Appendix M: Will Ethernet Switches Ever Replace Traditional Video Routers?......Page 482
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