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.

Date of Patent:
Oct. 21, 2014

Filed:

Jul. 30, 2012
Applicants:

Lalit Kumar, Fremont, CA (US);

Deepak Mayya, Fremont, CA (US);

Amit Singh, Fremon, CA (US);

Rajesh L G, Karnataka, IN;

Inventors:

Lalit Kumar, Fremont, CA (US);

Deepak Mayya, Fremont, CA (US);

Amit Singh, Fremon, CA (US);

Rajesh L G, Karnataka, IN;

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/935 (2013.01); H04L 12/825 (2013.01); H04L 12/815 (2013.01);
U.S. Cl.
CPC ...
H04L 47/22 (2013.01); H04L 49/30 (2013.01); H04L 47/25 (2013.01);
Abstract

A number of ports are configured in a linecard in a network device as dedicated ports and a remaining number of ports as shared ports. A total bandwidth allocated to the dedicated ports is computed. It is determined that available bandwidth at a central crossbar is greater than the total bandwidth allocated to the dedicated ports. The total data sent the central crossbar is rate limited to less than the available bandwidth at the central crossbar. First data associated with the dedicated ports is scheduled to the central crossbar using a first priority. Second data associated with the shared ports is scheduled using a second priority. A shared port data is scheduled based on a ration of a bandwidth requirement for the shared port as a fraction of overall bandwidth requirement for the shared ports.


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