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:
Dec. 31, 2019

Filed:

Dec. 07, 2017
Applicant:

Barefoot Networks, Inc., Santa Clara, CA (US);

Inventors:

Yi Li, Fremont, CA (US);

Michael Feng, Mountain View, CA (US);

Anurag Agrawal, Santa Clara, CA (US);

Jeongkeun Lee, Mountain View, CA (US);

Changhoon Kim, Palo Alto, CA (US);

Remy Chang, Milpitas, CA (US);

Assignee:

Barefoot Networks, Inc., Santa Clara, CA, unknown;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/863 (2013.01); H04L 12/26 (2006.01); H04L 12/935 (2013.01); H04L 12/933 (2013.01);
U.S. Cl.
CPC ...
H04L 47/6255 (2013.01); H04L 43/0882 (2013.01); H04L 43/16 (2013.01); H04L 49/3063 (2013.01); H04L 49/101 (2013.01);
Abstract

Some embodiments provide a method for a traffic management unit of a network forwarding integrated circuit (IC). The traffic management unit includes multiple queues for storing packets. Each stored packet is (i) received by the traffic management unit from one of multiple ingress packet processing pipelines and (ii) for processing by an egress packet processing pipeline after being released from the queue storing the packet. The method determines that a particular one of the queues has crossed a threshold amount of stored packet data. The method provides queue state data including an identifier of the particular queue and a current amount of data stored in the particular queue to at least a subset of the multiple ingress pipelines. The ingress pipelines use the provided data to process subsequent packets.


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Li, Yi. (2019). Transmission of traffic management data to processing pipeline (U.S. Patent No. 10523578). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10523578

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