1
Hiroyoshi Yuasa, Tadashi Satake, Mario Jose Cardona, Hisataka Fujii, Akira Yasuda, Koji Yamashita, Satoru Suzaki, Hideki Ikezawa, Masami Ohno, Akira Matsuzaki, Junichi Suzuki, Junko Nakano: Virtual LAN system. Matsushita Electric Works, Greenblum & Bernstein, July 4, 2000: US06085238 (499 worldwide citation)

A virtual LAN system forms a virtual group which is based on elements having physical attribute or logical attribute and constituting a virtual LAN, sets a client address and priority of the virtual group in a virtual group registration table, and allocates unicast and broadcast traffic bands in gro ...


2
Kazutaka Murakimi: Point-to-point communication network and method and adapter for virtualizing a LAN system. International Business Machines Corporation, Joscelyn G Cockburn, April 15, 1997: US05621726 (30 worldwide citation)

A pseudo or virtual LAN system is formed from point-to-point communications links and dynamic configurable nodes. In each node, commands from upper layer applications are processed in Logical Link Control sub-layer station component to generate LCC data transfer requests, which are in turn converted ...


3
Kenichi Katsumata: Virtual LAN system. NEC Corporation, Scully Scott Murphy & Presser, March 14, 2000: US06038608 (20 worldwide citation)

By providing a plurality of virtual LAN's such that ports communicating according to one protocol are grouped and communication is performed between the ports in the group, a communication is possible according to a plurality of protocols and it is possible to enter into other virtual LAN's than a v ...


4
Ito Tetsuya: Switching hub and virtual lan system. Fujitsu, February 28, 2002: JP2002-064523 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a switching hub and a virtual LAN system that can flexibly assign a physical port and enhance the security.SOLUTION: This invention provides the switching hub including physical ports, logical ports and a switch section and the virtual LAN system employing the switch ...


5
Nogami Kazuo: Repeater and virtual lan system using the same. Toshiba, February 18, 2000: JP2000-049870 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a repeater for enabling communication between different V-LANs and a V-LAN system using it. SOLUTION: This repeater for relaying the communication between the plural different virtual LANs connected to each other through an ATM switching network is provided with a co ...


6
Norihito Fujita, Toshio Koide: Virtual lan system and node device. Nec Corporation, Sughrue Mion Pllc, August 23, 2007: US20070195794-A1

A node A21 sets a communication tunnel for encapsulating a data link packet with other nodes joining in a virtual LAN to a peer-to-peer type, and comprises a packet forward table A2141 for forwarding the data link layer packet received from a communication tunnel to another communication tunnel. In ...


7
Chien Ho Ho: Method of learning address in Virtual LAN system. Alpha Nerworks, Bacon & Thomas Pllc, July 24, 2008: US20080175254-A1

The present invention is to provide a method of learning address in a VLAN system, which includes a plurality of network switching devices each connecting to at least one client VLAN and at least one server VLAN. Each of the network switching devices includes a forwarding database set therein, which ...


8
Fujita Norihito, Koide Toshio: (Ja) 仮想lanシステムおよびノード装置, (En) Virtual lan system and node device. Nec Corporation, Fujita Norihito, Koide Toshio, MATSUMOTO Masao, February 16, 2006: WO/2006/016698

(EN) A node (A21) has a packet transfer table (A2141) for setting a peer-to-peer type communication tunnel for encapsulating a data link layer packet to/from other nodes participating in the virtual LAN and transmitting the data link layer packet received from a communication tunnel to another commu ...


9
Miyamoto Katsuyuki: Virtual lan system capable of transmitting mark frame. Oki Electric Industry, yang xiaoguang, January 30, 2002: CN01116898

A TAG-VLAN system capable of sending tag frames according to the present invention has a switch for sending a packet including VLAN IDs managed by the switch and a terminal for storing the VLAN IDs of the packet sent by the switch, distinguishing when the VLAN ID is the VLAN ID that the terminal its ...


10
Kishi Yujiro, Hirose Ryota, Okamoto Kazuki: Switching hub, router and virtual lan system. Yamaha, November 1, 2007: JP2007-288748

PROBLEM TO BE SOLVED: To provide a switching hub which can efficiently and appropriately transfer packets between divided virtual segments with maintaining security.SOLUTION: The switching hub has a virtual LAN function which divides a plurality of connected terminal devices into a plurality of virt ...