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mDHT: Multicast-Augmented DHT Architecture for High Availability and Immunity to Churn

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4 Author(s)
Jae Woo Lee ; Dept. of Comput. Sci., Columbia Univ., New York, NY ; Henning Schulzrinne ; Wolfgang Kellerer ; Zoran Despotovic

This paper presents mDHT, a novel architectural enhancement to DHT using multicast service discovery. In mDHT, a group of host computers in a subnet participate in a DHT overlay as a single node. A query is routed from subnet to subnet until it reaches the final destination subnet, where it is resolved among the hosts using link-local multicast. Under a reasonable deployment assumption, mDHT offers many benefits over standard DHTs, such as locality, easy bootstrapping, high availability, and near imperviousness to node churn.

Published in:

2009 6th IEEE Consumer Communications and Networking Conference

Date of Conference:

10-13 Jan. 2009