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Bootstrap Node-Centered Proximity Identifier Selection for Structured Overlays in Private Networks
Masashi YOSHIDA Koichi YAGISHITA Yusuke DOHI Kumiko KOBAYASHI Yutaka SAKAI Shigeyuki ASAMI
Publication
IEICE TRANSACTIONS on Communications
Vol.E94-B
No.3
pp.813-817 Publication Date: 2011/03/01 Online ISSN: 1745-1345
DOI: 10.1587/transcom.E94.B.813 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Network Keyword: overlay network, DHT, latency stretch, node proximity,
Full Text: PDF(512.6KB)>>
Summary:
Distributed hash tables (DHTs) enable companies or campuses to use voice over IP (VoIP) systems in private networks at low cost. However, DHTs incur latency stretch caused by a topology mismatch between the application layer and the physical layer. Reducing this latency stretch is critical when implementing real-time applications that use DHTs, such as VoIP systems. This letter proposes a new method for reducing the latency stretch by creating node IDs, which form structured overlays that consider node proximity. Simulation results show that the proposed method is superior to Chord in terms of the distance between nodes, look-up path length, network burden, and look-up latency.
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