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:
Jul. 28, 2009

Filed:

May. 23, 2005
Applicants:

Anna Charny, Sudbury, MA (US);

Christopher Kappler, Waltham, MA (US);

Sandeep Bajaj, Fremont, CA (US);

Earl T. Cohen, Fremont, CA (US);

Inventors:

Anna Charny, Sudbury, MA (US);

Christopher Kappler, Waltham, MA (US);

Sandeep Bajaj, Fremont, CA (US);

Earl T. Cohen, Fremont, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 12/56 (2006.01); G06F 15/173 (2006.01); G06F 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and system for providing delay bound and prioritized packet dropping are disclosed. The system limits the size of a queue configured to deliver packets in FIFO order by a threshold based on a specified delay bound. Received packets are queued if the threshold is not exceeded. If the threshold is exceeded, a packet having a precedence level less than that of the precedence level of the received packet is dropped. If all packets in the queue have a precedence level greater than that of the packet received, then the received packet is dropped if the threshold is exceeded.


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