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. 22, 2023

Filed:

Jul. 06, 2020
Applicant:

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

Inventor:

Kelvin Wong, Eastleigh, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/10 (2006.01); H04L 67/06 (2022.01); H03L 7/081 (2006.01); G06F 9/448 (2018.01); G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1004 (2013.01); G06F 9/4498 (2018.02); G06F 11/302 (2013.01); H03L 7/0814 (2013.01); H04L 67/06 (2013.01);
Abstract

A link interface is provided of a communication protocol using idle flow control digits (flits) to maintain link continuity. The link interface includes: a physical layer of the communication protocol configured to transmit and receive flits via a link, wherein the communication protocol provides for idle flits of first and second sizes for maintaining link continuity, the first size being smaller than the second size; and a data link layer configured to transmit and receive flits to/from the physical layer. The data link layer is configured to remove idle flits of the first size received from the physical layer and to report cyclic redundancy check errors of filtered first sized idle flits in a correct order in relation to other flits.


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