US Patent No: 6,865,184

Number of patents in Portfolio can not be more than 2000

Arrangement for traversing an IPv4 network by IPv6 mobile nodes

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ALSO PUBLISHED AS: 20040179536
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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A source IPv6 mobile node is configured for forwarding an IPv6 packet via an IPv4 connection with a destination IPv6 router. The IPv4 packet includes IPv4 source and destination addresses, a UDP source port and UDP destination port, and a synthetic tag address in the IPv6 destination address field. The synthetic tag address, a valid (routable) IPv6 care of address, has an address prefix routed to the IPv6 router. The address prefix specifies a forwarding protocol, the IPv4 destination address for the IPv6 router, and a site-level aggregation identifier. An address suffix for the synthetic tag address specifies the IPv4 source address, the UDP source port and UDP destination port. Hence, the synthetic tag address enables the destination IPv6 router to send an IPv6 reply packet back to the source IPv6 mobile node via the IPv4 network.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CISCO TECHNOLOGY, INC.SAN JOSE, CA10284

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Molteni, Marco Antibes, FR 42 449
Thubert, Pascal La Colle sur Loup, FR 196 1231
Troan, Ole Redhill, GB 18 110
Wetterwald, Patrick Cagnes sur Mer, FR 98 553

Cited Art Landscape

Patent Info (Count) # Cites Year
 
HITACHI, LTD. (1)
6,172,986 Mobile node, mobile agent and network system 105 1998

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
CISCO TECHNOLOGY, INC. (8)
7,031,328 Arrangement for traversing an IPv4 network by IPv6 mobile routers 30 2003
7,443,880 Arrangement for reaching IPv4 public network nodes by a node in a IPv4 private network via an IPv6 access network 9 2004
7,453,887 Arrangement for traversing an IPv4 network by IPv6 mobile nodes 4 2005
7,860,025 Directed acyclic graph discovery and network prefix information distribution relative to a clusterhead in an ad hoc mobile network 5 2005
7,551,632 Arrangement for traversing an IPv4 network by IPv6 mobile routers 5 2006
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8,441,958 Directed acyclic graph discovery and network prefix information distribution relative to a clusterhead in an ad hoc mobile network 0 2010
 
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION (2)
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8,590,035 Network firewall host application identification and authentication 0 2012
 
HITACHI, LTD. (2)
7,305,480 Method and system for persistent translation between protocols 9 2001
7,123,599 Mobile communication system 25 2002
 
HUAWEI TECHNOLOGIES CO., LTD. (2)
8,015,603 Method and mobile node for packet transmission in mobile internet protocol network 0 2007
8,107,484 Method and device for advertising routing information and method and system for implementing packet routing 0 2009
 
INTEL CORPORATION (2)
7,257,643 Method and apparatus to improve network routing 15 2002
7,210,000 Transmitting peer-to-peer transactions through a coherent interface 19 2004
 
AT&T INTELLECTUAL PROPERTY I, L.P. (1)
8,234,703 Network firewall host application identification and authentication 2 2010
 
AT&T INTELLECTUAL PROPERTY II, L.P. (1)
8,040,896 Service selection in a shared access network using virtual networks 1 2008
 
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (1)
7,680,111 Communication method using mobile IPv6 in NAT-PT environment and storage medium thereof 1 2004
 
Impro Network Facility, LLC (1)
8,090,843 Creating a public identity for an entity on a network 0 2011
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
7,437,470 Tunneling IPv6 packets 2 2004
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
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NEC CORPORATION (1)
8,605,582 IP network system and its access control method, IP address distributing device, and IP address distributing method 0 2008
 
NOKIA CORPORATION (1)
8,005,093 Providing connection between networks using different protocols 2 2005
 
OKI ELECTRIC INDUSTRY CO., LTD. (1)
8,422,503 Address translator using address translation information in header area on network layer level and a method therefor 0 2009
 
PANASONIC CORPORATION (1)
7,693,160 Information processing device, port detecting device, information processing method, port detecting method, and program 0 2005
 
SAMSUNG ELECTRONICS CO., LTD. (1)
7,848,757 Apparatus and method for extending mobility in a mobile ad hoc network 0 2004
 
SIERRA WIRELESS, INC. (1)
8,228,848 Method and apparatus for facilitating push communication across a network boundary 1 2009
 
TELECOM ITALIA S.P.A. (1)
7,586,897 Method for controlling routing operations in a network, related network and computer program product thereof 3 2004
 
TELLABS OPERATIONS, INC. (1)
7,673,061 Method and apparatus for neighborhood discovery across disparate point-to-point networks 3 2006
 
TRUSTWAVE HOLDINGS, INC. (1)
7,469,418 Deterring network incursion 14 2003
 
UTSTARCOM, INC. (1)
7,463,614 Method and apparatus to facilitate provision of an IPv6 prefix 4 2004
 
Other [Check patent profile for assignment information] (1)
7,810,149 Architecture for mobile IPv6 applications over IPv4 6 2006

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