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:
Aug. 12, 2014
Filed:
Jun. 09, 2011
Jyothi Vemulapalli, Secunderabad, IN;
Srinivasa R. Addepalli, San Jose, CA (US);
Satya Srinivasa Murthy Nittala, Hyderabad, IN;
Jyothi Vemulapalli, Secunderabad, IN;
Srinivasa R. Addepalli, San Jose, CA (US);
Satya Srinivasa Murthy Nittala, Hyderabad, IN;
Freescale Semiconductor, Inc., Austin, TX (US);
Abstract
A method and system for resolving a conflict between private internet protocol addresses assigned in a network between an internet protocol security remote access server (IRAS) and an internet protocol security remote access client (IRAC) arranged behind a network address translator (NAT) router in the network. By modifying internet key exchange version2 (IKEv2) and internet key exchange (IKE) protocol negotiations between IRAC and IRAS to include a private attribute used by IRAC to send all its internet protocol (IP) subnet addresses to IRAS, IRAS dynamically resolves any conflict of the IP addresses with that of its internal networks by mapping and assigning non-conflicting virtual IP addresses and network subnet addresses to IRAC for IRAC to access the internal networks of IRAS. The conflict resolving mechanism used in run time allows mobile virtual private networks (VPN) to access corporate networks employing IP routers implementing IP security (IPsec) remote access mechanism without access failure due to IP address conflicts.