Title:
GeoCast: An Efficient Overlay System for Multicast Applications
GeoCast: An Efficient Overlay System for Multicast Applications
Author(s)
Liu, Ling
Pu, Calton
Wang, Yuehua
Zhang, Gong
Pu, Calton
Wang, Yuehua
Zhang, Gong
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Abstract
In this paper, we present GeoCast, a geographical location aware overlay network framework
designed for providing efficient group communication services. GeoCast can be seen as an extension
to the CAN network in the term of topology management and routing protocol. Geocast design has
three important properties that attractive to group communication applications. First, it uses geographical
mapping of nodes to regions to take advantage of the similarity between physical and network proximity.
Second, a shortcut enabled geo-distance routing protocol is employed in GeoCast, which is more resilient
than Chord-like or Pastry-like overlay networks due to the availability of multiple independent routing
paths. Third and most importantly, a novel routing table management scheme is designed to allow
the applications based on that have ability to manage their maintenance overhead in terms of network
resource constrains.
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Date Issued
2009
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Text
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Technical Report