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:
Nov. 29, 2011
Filed:
Sep. 02, 2008
Jean-marc Frailong, Los Altos, CA (US);
Jeffrey G. Libby, Cupertino, CA (US);
Jianhui Huang, Fremont, CA (US);
Sharada Yeluri, San Jose, CA (US);
Rajesh Nair, Fremont, CA (US);
John Keen, Mountain View, CA (US);
Jean-Marc Frailong, Los Altos, CA (US);
Jeffrey G. Libby, Cupertino, CA (US);
Jianhui Huang, Fremont, CA (US);
Sharada Yeluri, San Jose, CA (US);
Rajesh Nair, Fremont, CA (US);
John Keen, Mountain View, CA (US);
Juniper Networks, Inc., Sunnyvale, CA (US);
Abstract
A method for emulating a nexthop instruction in microcode with the assistance of dedicated hardware to extract read and write addressing from the nexthop instruction instead of performing this operation in microcode. A method for emulating a nexthop instruction in microcode with the assistance of dedicated hardware to compare a nexthop read address to a special value and to indicate whether the nexthop read address matches the special value, instead of performing this operation in microcode. A method for determining a network address by performing a single extraction of bit fields of a tree instruction to allow multiple tree search processes to be performed.