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. 27, 2016

Filed:

Aug. 01, 2014
Applicant:

Riverbed Technology, Inc., San Francisco, CA (US);

Inventors:

Sudeep Modi, San Francisco, CA (US);

Joyu Wu, San Francisco, CA (US);

Anoop Gupta, San Francisco, CA (US);

Devanath Srinivasa, San Francisco, CA (US);

Gabriel Levy, San Francisco, CA (US);

Luca Niccolini, San Francisco, CA (US);

Sarath Kumar Sankaran Kutty, San Francisco, CA (US);

Assignee:

RIVERBED TECHNOLOGY, INC., San Francisco, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 12/707 (2013.01); H04L 12/947 (2013.01); H04L 12/721 (2013.01); H04L 12/703 (2013.01);
U.S. Cl.
CPC ...
H04L 45/22 (2013.01); H04L 49/252 (2013.01); H04L 45/26 (2013.01); H04L 45/28 (2013.01); H04L 45/66 (2013.01);
Abstract

Systems and techniques are described for path selection. A packet can be transparently intercepted at an intermediary device. Next, the intermediary device may modify one or more bits in the header of the packet. The intermediary device can then forward the packet to the next hop device. In some network configurations, the modifications to the one or more bits in the header of the packet may cause a downstream device to select a path that is different from the path that would have been selected by the downstream device if the one or more bits in the header of the packet had not been modified. A path selection policy can be used to determine whether or not one or more bits in the header of the packet are to be modified.


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