NDLI: Multicast routing of hierarchical data

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Multicast routing of hierarchical data

Content Provider	NASA Technical Reports Server (NTRS)
Author	Shacham, Nachum
Copyright Year	1992
Description	The issue of multicast of broadband, real-time data in a heterogeneous environment, in which the data recipients differ in their reception abilities, is considered. Traditional multicast schemes, which are designed to deliver all the source data to all recipients, offer limited performance in such an environment, since they must either force the source to overcompress its signal or restrict the destination population to those who can receive the full signal. We present an approach for resolving this issue by combining hierarchical source coding techniques, which allow recipients to trade off reception bandwidth for signal quality, and sophisticated routing algorithms that deliver to each destination the maximum possible signal quality. The field of hierarchical coding is briefly surveyed and new multicast routing algorithms are presented. The algorithms are compared in terms of network utilization efficiency, lengths of paths, and the required mechanisms for forwarding packets on the resulting paths.
File Size	1001107
Page Count	19
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19990017646
Archival Resource Key	ark:/13960/t7mp9z818
Language	English
Publisher Date	1992-01-01
Access Restriction	Open
Subject Keyword	Documentation And Information Science Wide Area Networks Packet Switching Broadband Data Transmission Packet Transmission Wave Packets Packets Communication Real Time Operation Heterogeneity Algorithms Coding Bandwidth Transmission Efficiency Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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