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.
Patent No.:
Date of Patent:
Mar. 17, 2015
Filed:
Sep. 12, 2012
Ho Sun Yoon, Daejeon, KR;
Sung Back Hong, Daejeon, KR;
Jung Sik Kim, Daejeon, KR;
Seong Moon, Daejeon, KR;
Sun Cheul Kim, Daejeon, KR;
Seung Woo Hong, Daejeon, KR;
Sang Jin Hong, Gyeonggi-do, KR;
Pyung Koo Park, Daejeon, KR;
Young Soo Shin, Daejeon, KR;
Ho Yong Ryu, Daejeon, KR;
Soon Seok Lee, Daejeon, KR;
Ho Sun Yoon, Daejeon, KR;
Sung Back Hong, Daejeon, KR;
Jung Sik Kim, Daejeon, KR;
Seong Moon, Daejeon, KR;
Sun Cheul Kim, Daejeon, KR;
Seung Woo Hong, Daejeon, KR;
Sang Jin Hong, Gyeonggi-do, KR;
Pyung Koo Park, Daejeon, KR;
Young Soo Shin, Daejeon, KR;
Ho Yong Ryu, Daejeon, KR;
Soon Seok Lee, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Disclosed are a system for managing virtual private networks (VPNs) includes: terminals configured to transmit user data; a manager configured to transmit information for concealing networks and managing the VPNs; border gateways configured to decrypt the user data and perform a network address translation (NAT) procedure and a filtering procedure on the decrypted user data based on the information; and servers configured to receive the user data subjected to the NAT procedure and the filtering procedure, wherein the filtering procedure is a procedure discarding the user data to be transferred to the servers that are not allowed so as to allow the terminals to access only the allowed servers, the NAT procedure is a procedure changing an Internet protocol (IP) address used in a first network to an IP address used in a second network, and the first network and the second network are different networks.