VIRTUAL NETWORK CONSTITUTING METHOD

PROBLEM TO BE SOLVED: To reduce the load of group management in a bridge or an asynchronous transfer mode(ATM) terminal equipment belonging to plural groups. SOLUTION: In this method, bridges BR1-BR4 each connecting to LAN terminal equipments and ATM terminal equipments T11-T14 are connected directl...

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Bibliographic Details
Main Authors HORIGUCHI MASANORI, SUZUKI ATSUHIKO
Format Patent
LanguageEnglish
Published 14.10.1997
Edition6
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
SELECTING
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:PROBLEM TO BE SOLVED: To reduce the load of group management in a bridge or an asynchronous transfer mode(ATM) terminal equipment belonging to plural groups. SOLUTION: In this method, bridges BR1-BR4 each connecting to LAN terminal equipments and ATM terminal equipments T11-T14 are connected directly to an ATM network 10, the terminal equipments are grouped and a VLAN is set to the groups, and data communication is conducted between a sender terminal equipment and a terminal equipment whose communication is allowed. In this case, address information and group identification information of the bridges and the ATM terminal equipments are registered in cross reference with each other in a 1st address table in a server VAS/VBS, and with respect to an inquiry of an ATM address of a destination conducted prior to data communication, the server retrieves the 1st address table and returns an acknowledge frame to an equipment making the inquiry, so that the data communication is conducted only between terminal equipments whose communication is allowed.
Bibliography:Application Number: JP19960080005