Multicast multilayer videoconferencing : enhancement of a multilayer codec and implementation of the receiver driven layered multicast protocol /
all approach and the varying amount of available bandwidth
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1997.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | all approach and the varying amount of available bandwidth all the online users because that would force the source to and tested in the one-to-one case. A new metric is defined audio in a monolithic stream with an adaptive rate. In one- available videoconferencing implementations send video and bandwidth can request more streams for a better picture case to the cumulative bandwidth delivered in the "ideal" case. RLM performance values of 99.6% were recorded when the conclusion. control mechanism for moderately bursty layered streams. from a two layer codec to a six layer codec. Layer control graduate students at the TAMU Multimedia and Networking implemented and tested. Later, RLM itself is implemented, Internet. The heterogeneity of the network, its access-to- is "multiplexed" on several streams. Receivers with more Laboratory has focused on multi-layered encoding. The video methods are then tested using the improved codec. A performance was still good at 72.6% when the ideal highest present many challenges to researchers. Most of the Propositions for possible improvements are suggested in the protocol (RLM) proposed by McCanne at UC Berkeley, is quality. In this research, CafeMocha (the videoconferencing ratio of the cumulative bandwidth delivered in the actual simplified version of the Receiver-driven Layered Multicast subscription layer was bursty. RLM was found to be a good subscription sample path. We defined performance as the the source and a receiver might sharply differ from one end- to-many sessions, the available end-to-end bandwidth between tool developed by Sazzad and Brown at Texas A&M) is enhanced use a least common denominator strategy. Earlier work of user to another. It is clear that one rate cannot satisfy various rate limits, is compared to a defined "ideal" layer Videoconferencing is an important topic on the current whereby each layer control scheme subscription path, under |
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| Item Description: | "Major subject: Electrical Engineering". Vita. |
| Physical Description: | xv, 124 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references: pages 120-123. |