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:
Jan. 26, 2021

Filed:

Oct. 30, 2018
Applicant:

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

Inventors:

Asha Kiran Bondalakunta, Bangalore, IN;

Muthulakshmi P. Srinivasan, Bangalore, IN;

Raghavan Devanathan, Bangalore, IN;

Sameer K. Sinha, Bangalore, IN;

Ayush Nair, Bangalore, IN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 13/40 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0656 (2013.01); G06F 3/0613 (2013.01); G06F 3/0673 (2013.01); G06F 13/4027 (2013.01);
Abstract

In one aspect of buffer credit management in accordance with the present description, buffer over-commit logic determines a buffer over-commit value as, in one embodiment, proportional to a determined difference value between the average duration of an I/O operation over data transmission channels connected to a target control unit, and an average of cumulative lifespans that a set of buffers of the target control unit is committed to an I/O operation. In another aspect, buffer over-commit logic determines a buffer over-commit value as, in one embodiment, inversely proportional to buffer lifespan. In another aspect, buffer over-commit logic determines a buffer over-commit value as, in one embodiment, proportional to the determined difference value and inversely proportional to buffer lifespan. Other features and aspects may be realized, depending upon the particular application.


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