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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.

Patent No.:

US 5606665 B1

PDFFull Text
Date of Patent:
Feb. 25, 1997

Filed:

Jul. 01, 1994

Buffer descriptor prefetch in network and i/o design

Applicant:
Inventors:

Henry S Yang, Andover, MA (US);

Shirish S Sathaye, North Chelmsford, MA (US);

Michael Ben-Nun, Jerusalem, IL;

Moshe De-Leon, Jerusalem, IL;

Simoni Ben-Michael, Givaat Zeev, IL;

Assignee:

Digital Equipment Corporation, Maynard, MA (US);

Attorneys:

Kuta; Christine M.

Hudgens; Ronald C.

Primary Examiner:

Glenn A Auve

Int. Cl.
CPC ...
G06F / ; H04L / ;
U.S. Cl.
CPC ...
3952002 ; 395250 ;
Abstract

The invention improves the efficiency of buffer descriptor processing by performing descriptor prefetches, where multiple descriptors are read within the same descriptor bus transaction. The invention reads multiple buffer descriptors each time the bus is accessed. This allows for a smaller FIFO in a cut-through network adapter because it reduces the number of bus transactions needed to transfer data.

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Yang, Henry. (1997). Buffer descriptor prefetch in network and i/o design (U.S. Patent No. 5606665). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5606665

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