Method of managing virtual networks using a virtual network iden

Details Method of managing virtual networks using a virtual network iden Method of managing virtual networks using a virtual network iden

1996-10-29

1999-04-06

Harrell, Robert B.

G06F 1300

Patent

active

058929126

ABSTRACT:
A method is provided for managing virtual networks wherein switching hubs, each having ports to which nodes are respectively connected and having a bridging function, are interconnected via an ATM network, and predetermined ones of the ports of the switching hubs are grouped in order to construct virtual LANs. Data from a source node is transmitted to nodes belonging to the same group as the source node. A VLAN server, which stores MAC addresses of these nodes and VLAN identifiers in association with each other, is connected to the ATM network and collectively manages all nodes by means of the MAC addresses. The switching hub makes an inquiry for a VLAN identifier, and reconstructs or modifies the VLAN in accordance with a VLAN identifier responded from the VLAN server.

REFERENCES:
patent: 5394402 (1995-02-01), Ross
patent: 5444702 (1995-08-01), Burnett et al.
patent: 5600644 (1997-02-01), Chang et al.
patent: 5633869 (1997-05-01), Burnett et al.
"Dash into Virtual LAN"; Nikkei Communications; No. 186, published Nov. 21, 1994; Japan.

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