A Lookup System for Information Which Is Updated from Mobile Terminals in Realtime
Project/Area Number |
22500071
|
Research Category |
Grant-in-Aid for Scientific Research (C)
|
Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Computer system/Network
|
Research Institution | Toho University |
Principal Investigator |
SATO Fumiaki 東邦大学, 理学部, 教授 (40273164)
|
Project Period (FY) |
2010 – 2012
|
Project Status |
Completed (Fiscal Year 2012)
|
Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
|
Keywords | 情報検索 / 分散ハッシュテーブル / Chord / P2P / モバイルコンピューティング / オーバレイネットワーク / Bloomフィルタ / ネットワーク / 分散処理 / リアルタイム情報検索 |
Research Abstract |
Information lookup systems using Distributed Hash Table (DHT) have been actively studied. In the Chord DHT, nodes are con-figured as a ring structure and lookup requests are for-warded along with the ring. In order to get information efficiently, response time should be short. However, since Chord overlay network is constructed without considering the real network, the efficient lookup cannot be done. We have studied a method to reduce the response time by the rearrangement and replacement of the node ID of the Chord. From the simulation results, it is shown that the response time of the proposed method has approached an ideal value.
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Report
(4 results)
Research Products
(40 results)