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:
Oct. 23, 2007

Filed:

May. 02, 2006
Applicants:

Soohan Ahn, Chatham, NJ (US);

Vaidyanathan Ramaswami, Neshanic Station, NJ (US);

Inventors:

Soohan Ahn, Chatham, NJ (US);

Vaidyanathan Ramaswami, Neshanic Station, NJ (US);

Assignee:

AT&T Corp., New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 15/00 (2006.01); H04M 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Congestion problems in networks are alleviated with a method that works toward insuring that unused capacity will always exist in elements of a network that are resources which are shared by a plurality of users and which, consequently, can be overloaded. In response to each request to establish a connection over a path in the network, pursuant to a predetermined algorithm the method services the request, declines to service the request, or services the request after dropping an established connection. In one embodiment, when unused capacity on the path is above a first preselected level, all requests are serviced. When unused capacity falls below a second preselected threshold, no requests are serviced. When unused capacity is between the first and second thresholds, an existing data connection is dropped if a requested connection is a voice connection and the number of existing data connections exceeds a preselected threshold.


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