Title:
Multiple-Channel Multicast Scheduling for Scalable Bulk-data Transport
Multiple-Channel Multicast Scheduling for Scalable Bulk-data Transport
Author(s)
Ammar, Mostafa H.
Zegura, Ellen W.
Donahoo, Michael J.
Zegura, Ellen W.
Donahoo, Michael J.
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Abstract
A key technique for allowing a server to handle a large volume of
requests for file transfers is to multicast the data to the set
of requesting clients. Typically, the paths from the server to the
clients will be heterogeneous in bandwidth
availability. Multiple-Channel Multicast (MCM) is an approach that can
be used to handle this heterogeneity. In this approach the data is
multicast over multiple channels, each addressed as a separate
multicast group. Each receiver subscribes to a set of channels (i.e.,
joins the corresponding multicast groups) commensurate with its own
rate capabilities. Of particular interest in the design of MCM
schemes is the scheduling of data transmission across the multiple
channels to accomodate asynchronous requests from clients. In this
paper, we present and analyze a new multiple-channel multicast
approach called Partition Organization (PO) scheduling. The scheme is
designed to result in good reception efficiency when compared to
existing proposals while improving on their performance when other
measures of interest (which we introduce) are considered.
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Date Issued
1998
Extent
337962 bytes
Resource Type
Text
Resource Subtype
Technical Report