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:
Nov. 14, 2017

Filed:

Jul. 12, 2012
Applicants:

David S. Dodgson, Lansdale, PA (US);

Ralph Farina, Downingtown, PA (US);

James A. Fontana, Mission Viejo, CA (US);

Robert A. Johnson, Pottstown, PA (US);

David Maw, San Juan Capistrano, CA (US);

Anthony Narisi, Glenmoore, PA (US);

Inventors:

David S. Dodgson, Lansdale, PA (US);

Ralph Farina, Downingtown, PA (US);

James A. Fontana, Mission Viejo, CA (US);

Robert A. Johnson, Pottstown, PA (US);

David Maw, San Juan Capistrano, CA (US);

Anthony Narisi, Glenmoore, PA (US);

Assignee:

Unisys Corporation, Blue Bell, PA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 63/0471 (2013.01); H04L 63/0281 (2013.01); H04L 63/104 (2013.01);
Abstract

Virtual machines in a network may be isolated by encrypting transmissions between the virtual machines with keys possessed only by an intended recipient. Within a network, the virtual machines may be logically organized into a number of community-of-interest (COI) groups. Each COI may use an encryption key to secure communications within the COI, such that only other virtual machines in the COI may decrypt the message. Virtual machines may further be isolated through a virtual gateway assigned to handle all communications between a virtual machine and a device outside of the virtual machine's COI. The virtual gateway may be a separate virtual machine for handling decrypting and encrypting messages for transmission between virtual machines and other devices.


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