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:
Sep. 21, 2004
Filed:
Oct. 21, 1999
Applicant:
Inventor:
Yunzhou Li, Lowell, MA (US);
Assignee:
Nortel Networks Limited, , CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 1/228 ; H04L 1/256 ;
U.S. Cl.
CPC ...
H04L 1/228 ; H04L 1/256 ;
Abstract
A method of processing a multicast packet that includes determining whether a first forwarding cache that stores forwarding information for ranges of addresses includes a cache entry covering the source address, and, if the first forwarding cache includes the such an entry, adding an entry to a second forwarding cache for the specific source address and group of the packet using the forwarding information associated with the first cache entry.