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Improving Community Management Performance With Two-Level Hierarchical DHT Overlays

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Executive Summary

In this paper, the authors evaluate a P2P community management system that works on top of a DHT-based P2PSIP protocol implementation. The key idea in their system is to establish a separate DHT overlay network for each community, resulting in multiple small overlays that are subsets of the main overlay. The main DHT overlay is largely used for community and membership information discovery. The feasibility of their two-level hierarchical system is evaluated with a prototype implementation. They compare their system against the flat structure where all the community related activities are performed in a single DHT overlay.

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