DATA DOUBLE SYSTEM AND METHOD FOR MAINTAINING THE CONSISTENT OF DATA IN A MOBILE AD-HOC NETWORK

DATA DOUBLE SYSTEM AND METHOD FOR MAINTAINING THE CONSISTENT OF DATA IN A MOBILE AD-HOC NETWORK

A data duplicating system for maintaining data consistency in a mobile Ad-hoc network and a method therefor are provided to reduce message transmission overhead and the retraction rate of data by accessing only a main copy node when read-only transaction is executed. Each of SMH(Small Mobile Host) n...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MOON, AE KYEUNG
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A data duplicating system for maintaining data consistency in a mobile Ad-hoc network and a method therefor are provided to reduce message transmission overhead and the retraction rate of data by accessing only a main copy node when read-only transaction is executed. Each of SMH(Small Mobile Host) nodes includes an N-table for storing a list of accessible neighbor LMH(Large Mobile Host) nodes. Each of LMH nodes comprises the followings: a C-table for storing information of accessible group LMH nodes; a P-table for storing main copy information which can be renewed; and a C-table for storing renewed data information to transmit data.