Research Article
A Fairness-Based Access Control Scheme to Optimize IPTV Fast Channel Changing
Table 1
Major components of channel changing delay.
| Delay component | Typical latency (ms) |
| IGMP session joining/leaving for multicast delivery | ~100 | Network latency and jitter | ~100 | Client stream buffering (network dejitter buffer and video input buffer) | ~250 | I-frame acquisition | ~1000 (GOP duration is 2 seconds) | Video/audio synchronization | ~200 | Content authorization | ~100 |
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