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:
Jul. 22, 2003
Filed:
Jul. 18, 2001
Toan D. Tran, Sunnyvale, CA (US);
Robert J. Divivier, San Jose, CA (US);
Siyad Ma, Palo Alto, CA (US);
Zettacom, Inc., Santa Clara, CA (US);
Abstract
A traffic manager for a network switch port includes a buffer memory and a buffer manager for writing incoming cells into the buffer memory and for thereafter reading the cells out of the buffer memory and forwarding them. The traffic manager also includes a queue manager for determining an order in which the buffer manager is to forward a set of cells stored in the buffer memory. The queue manager supplies the buffer manager with a sequence of pointers, each pointer referencing a separate cell of the set of cells, with the sequence of pointers being ordered to indicate an order in which the buffer manager is to forward the set of cells. After receiving the pointer sequence, the buffer manager changes the order of pointers in the pointer sequence to optimize a rate at which it can read the cells out of the buffer memory. The buffer manager reads the cells out of the buffer memory in an order indicated by the changed pointer sequence and thereafter forwards the cells read out of the buffer memory in the order in which the queue manager determined the cells are to be forwarded.