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:
Jun. 11, 2024

Filed:

Jun. 28, 2021
Applicant:

Google Llc, Mountain View, CA (US);

Inventors:

David Schultz, Albany, CA (US);

Shuang Guan, Mountain View, CA (US);

Srinivas Krishnan, Sunnyvale, CA (US);

Eran Gal, Shoham, IL;

Doron Shaharabani, Mountain View, CA (US);

Yossi Richter, Sunnyvale, CA (US);

Md Ahsan Arefin, Mountain View, CA (US);

Assignee:

Google LLC, Mountain View, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/803 (2013.01); G06F 9/455 (2018.01); H04L 9/40 (2022.01); H04L 29/06 (2006.01); H04L 29/12 (2006.01); H04L 47/125 (2022.01); H04L 61/256 (2022.01);
U.S. Cl.
CPC ...
H04L 47/125 (2013.01); G06F 9/45558 (2013.01); H04L 61/256 (2013.01); H04L 63/02 (2013.01); G06F 2009/4557 (2013.01); G06F 2009/45595 (2013.01);
Abstract

A method includes identifying a middlebox receiving network flow and communicating with one or more backend virtual machines. The method also includes receiving flow statistics corresponding to the network flow of the middlebox and determining whether the flow statistics satisfy an offload rule. The offload rule indicates when to migrate the network flow from the middlebox to an end host. When the flow statistics satisfy the offload rule, the method also includes migrating the network flow from the middlebox to the end host.


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