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:
Feb. 12, 2019

Filed:

May. 11, 2016
Applicant:

Argela Yazilim VE Bilisim Teknolojileri San. VE Tic. A.s., Istanbul, TR;

Inventors:

Erhan Lokman, Istanbul, TR;

Sinan Tatlicioglu, Istanbul, TR;

Seyhan Civanlar, Istanbul, TR;

Burak Gorkemli, Istanbul, TR;

Metin Balci, Istanbul, TR;

Bulent Kaytaz, Istanbul, TR;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/00 (2006.01); H04L 29/06 (2006.01); H04L 12/707 (2013.01);
U.S. Cl.
CPC ...
H04L 63/0428 (2013.01); H04L 63/0272 (2013.01); H04L 63/0471 (2013.01); H04L 63/164 (2013.01); H04L 45/24 (2013.01);
Abstract

Sensitive data is sent through insecure network regions across different software defined networks (SDNs) over an encrypted path without requiring encryption applications at the source or destination hosts. One or more special-purpose encryptors are strategically placed within each SDN, which can act as an encryptor or decryptor, of both the data packet content and the header. Using the controller and a special encryption service application, the encrypted IP packets are forwarded from an encryptor, closest to the source, towards a decryptor, closest to the destination, utilizing a tagging method. Each encryptor has a static and globally unique tag. Each controller advertises to other controllers its encryptor information: IP of the encryptor, the IP block of the users the encryptor is responsible for and the unique encryptor tag(s). Each forwarder along the flow path is instructed by its respective controller how to forward packets towards the destination according to the tag.


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