1 Introduction. - 1. 1 Video-On-Demand service. - 1. 2 VOD system model. - 1. 3 Disk scheduling policies. - 1. 4 Data placement schemes. - 1. 5 Buffer management options. - 1. 6 Organization of the book. - 2 Performance issues in Interactive VOD Service. - 2. 1 Steady-state stream throughput. - 2. 2 Effect of transients on stream throughput. - 2. 3 Admission ratio and queuing time. - 2. 4 Start-up latency. - 2. 5 Sporadic service throughput. - 2. 6 Quality-of-Service. - 2. 7 Summary. - 3 Related Work. - 3. 1 Work on disk scheduling. - 3. 2 Work focusing on specific issues. - 4 A Dynamic Approach to VOD Scheduling. - 4. 1 Introduction. - 4. 2 Closely related work. - 4. 3 Greedy-but-Safe Earliest-Deadline-First scheduling. - 4. 4 Experimental evaluation. - 4. 5 Summary. - 5 On Improving The Transient Performance of Cscan Schedulers. - 5. 1 Introduction. - 5. 2 Closely related work. - 5. 3 Greedy-but-Safe Seek-Reducing scheduling (GSSR). - 5. 4 Experimental evaluation. - 5. 5 Summary. - 6 Prioritized Admission Strategies to Improve User-Perceived Performance. - 6. 1 Introduction. - 6. 2 Model and problem. - 6. 3 Prioritized admission strategies. - 6. 4 Experimental evaluation. - 6. 5 Summary. - 7 Run-Time Optimization of Readsize. - 7. 1 Introduction. - 7. 2 Modeling CM data access. - 7. 3 Readsize bounds. - 7. 4 Readsize control strategies. - 7. 5 Experimental evaluation. - 7. 6 Summary. - 8 Conclusions. - 8. 1 General conclusions. - 8. 2 Future extension. - References. Language: English