The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 29, 2014

Filed:

Jul. 20, 2012
Applicants:

Kenichi Taniuchi, Hillsborough, NJ (US);

Tao Zhang, Fort Lee, NJ (US);

Prathima Agrawal, New Providence, NJ (US);

Ashutosh Dutta, Bridgewater, NJ (US);

Sunil Madhani, Morristown, NJ (US);

Shinichi Baba, Tokyo, JP;

Kensaku Fujimoto, Bridgewater, NJ (US);

Yasuhiro Katsube, Franklin Lakes, NJ (US);

Toshikazu Kodama, Morristown, NJ (US);

Yoshihiro Ohba, Fort Lee, NJ (US);

Inventors:

Kenichi Taniuchi, Hillsborough, NJ (US);

Tao Zhang, Fort Lee, NJ (US);

Prathima Agrawal, New Providence, NJ (US);

Ashutosh Dutta, Bridgewater, NJ (US);

Sunil Madhani, Morristown, NJ (US);

Shinichi Baba, Tokyo, JP;

Kensaku Fujimoto, Bridgewater, NJ (US);

Yasuhiro Katsube, Franklin Lakes, NJ (US);

Toshikazu Kodama, Morristown, NJ (US);

Yoshihiro Ohba, Fort Lee, NJ (US);

Assignees:

Toshiba America Resesarch, Inc., Piscataway, NJ (US);

Telcordia Inc., Piscataway, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 80/04 (2009.01); H04W 84/12 (2009.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04W 80/04 (2013.01); H04W 80/045 (2013.01); H04W 84/12 (2013.01); H04L 63/0272 (2013.01); H04L 69/14 (2013.01); H04L 29/06088 (2013.01);
Abstract

Systems and methods are described for secure and seamless roaming between internal and external networks. Double and triple tunnels may be used to connect a mobile node to a correspondent host. A mobile node may include the ability to connect to two networks simultaneously to enable seamless roaming between networks.


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