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:
Jun. 03, 2025

Filed:

Dec. 28, 2022
Applicant:

At&t Intellectual Property I, L.p., Atlanta, GA (US);

Inventors:

Mikhail Istomin, Brooklyn, NY (US);

Paul Giura, Cohoes, NY (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1458 (2013.01); H04L 63/1425 (2013.01);
Abstract

Concepts and technologies disclosed herein are directed to using proof of work for preventing distributed denial of server ('DDoS') attacks. A server system can receive a resource request from a client system. The resource request can specify a resource. The server system can determine a congestion level based upon a load metric and a threshold. In response to determining that the load metric is above the threshold, the server system can determine that the congestion level is indicative of a high demand period. In response to the resource request being received during the high demand period, the server system can provide a work assignment to the client system. The server system can receive work results for the work assignment sent to the client system. In response to receiving the work results, the server system can process the resource request and can send the resource to the client system.


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