'Playback time' presentation slideshows

Multimedia Proxy Caching Mechanism for Quality Adaptive Streaming Applications in

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CIS 725

CIS 725. Telephone protocols. Telephone systems. Circuited switched system Call control software. OCM = originating call machine TCM = terminating call machine A places a call to B An OCM for A is instantiated with initial state as idle When signal reaches B, a TCM for B is instantiated.

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Chapter 28

Chapter 28. Real-Time Traffic over the Internet. CONTENTS. CHARACTERISTICS RTP RTCP. ????? ??? ???. ??? ????? ???. ????? ??? ???. In real-time traffic, if we ignore propagation delay, the production, transmission, and use of data takes place at the same time. ????? ??? ???.

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19360 Business Center Drive Northridge, CA 91324 www.ITSamerica.com

19360 Business Center Drive Northridge, CA 91324 www.ITSamerica.com. Transitioning from NTSC (analog) . to HD Digital Video. NTSC Analog Video. NTSC video -color bar test pattern. SDI Digital Video. At the SDI source. At the end of a 100 meter cable. Making stills move.

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Adaptive Transmission for layered streaming in heterogeneous Peer-to-Peer networks

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Quality of Service

Quality of Service. Outline Realtime Applications Integrated Services Differentiated Services. Application Classes. Elastic : applications that can work fine without guarantees of timely delivery of data Telnet, FTP, email, Web browser, etc. Real-time: sensitive to timeliness of data

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Review: Network link technologies

Review: Network link technologies. What happens when client send packets back-to-back? What happens when the network is saturated? What about bandwidth/latency/jitter? Nature of packet loss? Ethernet: CSMA/CD - collisions Wireless LAN: CSMA/CA - wireless channel

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Quality of Service

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Quality of Service

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Quality of Service

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Quality of Service

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