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Jitter Control in QoS Networks Yishay Mansour Dept. of Computer Science Tel-Aviv University and AT&T Research Labs Boaz Patt-Shamir Dept. of Electrical Engineering Tel-Aviv University and Northeastern University Hung, Kuo-EnNTHU/CS, Visual Communication Lab.
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Outline Introduction Model Delay-jitter control –Off-line delay-jitter control –On-line delay-jitter control Distribute delay-jitter control
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Introduction Delay-jitter –Bounds the maximum difference in the total delay of different packets.
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Model Jitter-control algorithm Packet arrival sequencePacket release sequence Sequence of packet: 0, 1, 2…n : k Arrival time: a(k)
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Model (cont’d)
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Delay-jitter control Algorithm A: off-line delay-jitter control
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Delay-jitter control(cont’d) Algorithm B: on-line delay-jitter control
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Delay-jitter control(cont’d) X ave
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Delay-jitter control(cont’d)
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Proof
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Delay-jitter control(cont’d) Proof
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Distributed delay-jitter control Algorithm BD
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