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:
Aug. 05, 2025

Filed:

Mar. 13, 2023
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Rajat Rao, Bangalore, IN;

Patrick James Meaney, Poughkeepsie, NY (US);

Ashutosh Mishra, Lagrangeville, NY (US);

Jason Andrew Thompson, Rochester, MN (US);

Nandini Gaadam Nagaraj, Bangalore, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/16 (2006.01); G06F 11/18 (2006.01);
U.S. Cl.
CPC ...
G06F 11/187 (2013.01); G06F 11/165 (2013.01);
Abstract

A computer system, computer readable storage medium, and computer-implemented method for dynamically degrading a link between multiple processing devices to facilitate uninterrupted service between the multiple processing devices. The method includes determining a number of undegraded lanes within the link. The method also includes determining, subject to the number of undegraded lanes, a first operational degrade mode for the link. The method further includes initiating a retrain of the link to a second operational degrade mode. The method also includes dynamically, subject to the first degrade mode of operation, determining one or more message packet types to transmit through the link during the link retrain, thereby facilitating uninterrupted service between the multiple processing devices.


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