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.:
Date of Patent:
Apr. 04, 2000
Filed:
Jul. 29, 1997
Applicant:
Inventors:
Geoff Ladwig, Chelmsford, MA (US);
Edward S Harriman, Cupertino, CA (US);
Assignee:
Nortel Networks Corporation, Montreal, CA;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
708530 ; 714758 ;
Abstract
A method and apparatus for processing network packets is disclosed. A Single Instruction Multiple Data (SIMD) architecture processor is disclosed. The SIMD processor includes several instructions designed specifically for the task of network packet processing. For example, SIMD add instructions for performing one's complement additions are included to quickly calculate Internet checksums. Furthermore, the SIMD processor includes several instructions for performing lane arithmetic.