Method and system for controlling communication network and router used in the network

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8446828
APP PUB NO 20070189213A1
SERIAL NO

11783475

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a communication network comprising a host network, a plurality of base stations, at least a mobile host capable of establishing links to the base stations, and a hierarchy-network of plural routers which are improved in transferring performances for ensuring continuous operations with a reduced load without packet loss.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NEC CORPORATIONTOKYO10806

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Karino, Shuichi Tokyo, JP 33 202
Mizukoshi, Yasuhiro Tokyo, JP 59 181

Cited Art Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
5245609 Communication network and a method of regulating the transmission of data packets in a communication network 66 1991
6148410 Fault tolerant recoverable TCP/IP connection router 243 1997
 
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY (1)
* 5371731 Network traffic management 49 1993
 
AT&T LABS, INC. (1)
6169735 ATM-based distributed virtual tandem switching system 122 1999
 
LUCENT TECHNOLOGIES INC. (3)
4769811 Packet switching system arranged for congestion control 210 1986
5280470 Bandwidth and congestion management in accessing broadband ISDN networks 243 1993
* 2002/0046,287 Paging of mobile hosts on an internet protocol network 12 2001
 
CISCO TECHNOLOGY, INC. (5)
5473599 Standby router protocol 614 1994
5793978 System for routing packets by separating packets in to broadcast packets and non-broadcast packets and allocating a selected communication bandwidth to the broadcast packets 65 1994
6515963 Per-flow dynamic buffer management 89 1999
* 6724721 Approximated per-flow rate limiting 70 1999
6751191 Load sharing and redundancy scheme 121 1999
 
KABUSHIKI KAISHA TOSHIBA (1)
4912703 Apparatus and method for data flow control in broadcast data transmission system 20 1988
 
BELL TELEPHONE LABORATORIES, INCORPORATED (1)
4818984 Broadcasting messages in a distributed processing system 35 1986
 
RICOH COMPANY, LTD. (1)
4885742 Node apparatus and communication network 44 1989
 
InterDigital Technology Corporation (1)
6741564 Method implemented by a base station for selectively suppressing communications 10 2002
 
ORACLE AMERICA, INC. (1)
* 6389532 Method and apparatus for using digital signatures to filter packets in a network 95 1998
 
AT&T CORP. (1)
5434853 System and method for providing soft handoff of a cellular mobile-to-mobile call 63 1993
* Cited By Examiner

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