Thomas H Berry

US Patent:

7668119, Feb 23, 2010

Filed:

Nov 13, 2007

Appl. No.:

11/984049

Inventors:

Pascal Thubert - La Colle sur Loup, FR
Thomas Berry - Holly Springs NC, US
Vincent Jean Ribiere - Biot, FR
Alvaro Enrique Retana - Raleigh NC, US
Russell Ivan White - Holly Springs NC, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04L 12/28

US Classification:

370256, 370255, 370338, 370349, 370352, 370392, 37039531, 370407, 370408, 455518, 455 412, 37911413, 709242

Abstract:

Each mobile ad hoc node has an assigned hierarchy position within an identified tree-based aggregation group. Each ad hoc node is configured for selectively attaching to one of a plurality of available ad hoc nodes based on identifying a best match, for the assigned hierarchy position within the identified aggregation group, from among identifiable hierarchy positions of identifiable aggregation groups. Each ad hoc node also is configured for selectively attaching to any available ad hoc node based on a determined absence of any available ad hoc node advertising the identified aggregation group of the ad hoc node, or an aggregation group containing the identified aggregation group. Hence, a root node of an aggregation group can filter group-specific routing information from packets destined toward a network clusterhead, resulting in a scalable routing protocol that is not adversely affected by added nodes.

US Patent:

7778235, Aug 17, 2010

Filed:

Jul 28, 2006

Appl. No.:

11/494585

Inventors:

Pascal Thubert - La Colle sur Loup, FR
Thomas Berry - Holly Springs NC, US
Vincent Jean Ribiere - Biot, FR
Alvaro Enrique Retana - Raleigh NC, US
Russell Ivan White - Holly Springs NC, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04L 12/28

US Classification:

370351, 370328, 709221

Abstract:

Each mobile router in a mobile ad hoc network is configured for identifying routes to nearby nodes that are within a prescribed distance, based on storage of explicit paths specified within routing headers of packets transmitted from a host node to a destination node. Each mobile router also can selectively compress the routing header, based on the storage of the explicit path, resulting in a loose source route type routing header in the packet output from the mobile router. In addition, a routing header of a received packet can be expanded based on the mobile router inserting the explicit path, enabling mobile hosts in the explicit path to forward the packet according to strict source routing. The storage and compression of explicit paths also can be applied to packets specifying reverse routing headers, minimizing the size of the reverse routing headers.

US Patent:

20070153707, Jul 5, 2007

Filed:

Jan 4, 2006

Appl. No.:

11/324270

Inventors:

Pascal Thubert - La Colle Sur Loup, FR
Thomas Berry - Holly Springs NC, US
Vincent Ribiere - Biot, FR
Alvaro Retana - Raleigh NC, US
Russell White - Holly Springs NC, US

International Classification:

H04L 12/28
H04L 12/56

US Classification:

370254000, 370408000

Abstract:

Each mobile ad hoc node has an assigned hierarchy position within an identified tree-based aggregation group. Each ad hoc node is configured for selectively attaching to one of a plurality of available ad hoc nodes based on identifying a best match, for the assigned hierarchy position within the identified aggregation group, from among identifiable hierarchy positions of identifiable aggregation groups. Each ad hoc node also is configured for selectively attaching to any available ad hoc node based on a determined absence of any available ad hoc node advertising the identified aggregation group of the ad hoc node, or an aggregation group containing the identified aggregation group. Hence, a root node of an aggregation group can filter group-specific routing information from packets destined toward a network clusterhead, resulting in a scalable routing protocol that is not adversely affected by added nodes.

US Patent:

20140122678, May 1, 2014

Filed:

Mar 14, 2013

Appl. No.:

13/827550

Inventors:

- San Jose CA, US
Stan Ratliff - Raleigh NC, US
Walter L. Robinson - Sunnyvale CA, US
Thomas Berry - Holly Springs NC, US
Hope Mills - Raleigh NC, US
Steve Klein - Raleigh NC, US

Assignee:

CISCO TECHNOLOGY, INC. - San Jose CA

International Classification:

H04L 12/24

US Classification:

709223

Abstract:

The embodiments described herein provide mechanism that allows an embedded router software image to run in the user application memory space of a general purpose computer. An interface process is provided to receive and transmit packets between the user application memory space and the operating system's protected or kernel memory space of the general purpose computer. The interface process mimics or emulates any hardware interfaces that would be available to the router software when running on a dedicated embedded router device.