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:
Aug. 24, 2021

Filed:

Dec. 28, 2018
Applicant:

Alibaba Group Holding Limited, Grand Cayman, KY;

Inventor:

Gang Cheng, Bellevue, WA (US);

Assignee:

Alibaba Group Holding Limited, Grand Cayman, KY;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/741 (2013.01); H04L 12/46 (2006.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 45/74 (2013.01); H04L 12/4633 (2013.01); H04L 12/4641 (2013.01); H04L 67/1006 (2013.01);
Abstract

Apparatus and methods include receiving a first packet, the first packet including a first source Internet protocol (IP) address and a first destination IP address; adding a first outer header to the first packet to generate an encapsulated packet, the first outer header including a second source IP address and a second destination IP address; forwarding the encapsulated packet to a Server Load Balancer (SLB) associated with the second destination IP address; receiving a response packet from a front end server having a front end server private IP address; and saving the front end server private IP address to bypass the SLB.


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