Vera D Sapozhnikova

US Patent:

7366104, Apr 29, 2008

Filed:

Jan 3, 2003

Appl. No.:

10/336471

Inventors:

Gagan Lal Choudhury - Marlboro NJ, US
Elie M. Francis - Brooklyn NY, US
Beth S. Munson - Little Silver NJ, US
Vera D. Sapozhnikova - Lincroft NJ, US
Michael B. Wardlow - Kendall Park NJ, US

Assignee:

AT&T Corp. - New York NY

International Classification:

G01R 31/08

US Classification:

370252, 370229, 370241

Abstract:

A method of monitoring a network that includes a number of nodes interconnected by trunks has a step of obtaining processor usage data pertaining to a plurality of node processors, the processor usage data including information representative of a rate of usage of each of the plurality of node processors. The method also includes obtaining memory usage data pertaining to a plurality of memories, each of the plurality of memories associated with a node processor, the memory usage data including information representative of a rate of usage of each of the plurality of memories. The method further includes determining from the memory usage data and the processor usage data whether a network congestion event is occurring.

US Patent:

7724685, May 25, 2010

Filed:

Oct 11, 2007

Appl. No.:

11/870647

Inventors:

Gagan Lal Choudhury - Marlboro NJ, US
Elie M. Francis - Brooklyn NY, US
Thomas K. Helstern - Little Silver NJ, US
Beth S. Munson - Little Silver NJ, US
Vera D. Sapozhnikova - Lincroft NJ, US

Assignee:

AT&T Corp. - New York NY

International Classification:

H04J 1/16

US Classification:

370252, 370242, 370248

Abstract:

A method includes obtaining first information indicative of instability of a data communication network. The method also includes isolating a first portion of a network from a second portion of the network responsive to the obtained first information. After a predetermined period of time, second information indicative of instability of the first portion is obtained. The method further includes isolating a first segment of the first portion from a second segment of the first portion responsive to the obtained second information.

US Patent:

20080198753, Aug 21, 2008

Filed:

Apr 29, 2008

Appl. No.:

12/111909

Inventors:

Gagan Lal Choudhury - Marlboro NJ, US
Elie M. Francis - Brooklyn NY, US
Beth S. Munson - Little Silver NJ, US
Vera D. Sapozhnikova - Lincroft NJ, US
Michael B. Wardlow - Kendall Park NJ, US

International Classification:

H04L 12/26

US Classification:

370242

Abstract:

A method of monitoring a network that includes a number of nodes interconnected by trunks has a step of obtaining processor usage data pertaining to a plurality of node processors, the processor usage data including information representative of a rate of usage of each of the plurality of node processors. The method also includes obtaining memory usage data pertaining to a plurality of memories, each of the plurality of memories associated with a node processor, the memory usage data including information representative of a rate of usage of each of the plurality of memories. The method further includes determining from the memory usage data and the processor usage data whether a network congestion event is occurring.

US Patent:

7283484, Oct 16, 2007

Filed:

Jan 3, 2003

Appl. No.:

10/336584

Inventors:

Gagan Lal Choudhury - Marlboro NJ, US
Elie M. Francis - Brooklyn NY, US
Thomas K. Helstern - Little Silver NJ, US
Beth S. Munson - Little Silver NJ, US
Vera D. Sapozhnikova - Lincroft NJ, US

Assignee:

AT&T Corp. - New York NY

International Classification:

H04J 1/16
H04J 3/14

US Classification:

370252, 370242, 370248, 370216, 37039532

Abstract:

A method includes obtaining first information indicative of instability of a data communication network. The method also includes isolating a first portion of a network from a second portion of the network responsive to the obtained first information. After a predetermined period of time, second information indicative of instability of the first portion is obtained. The method further includes isolating a first segment of the first portion from a second segment of the first portion responsive to the obtained second information.