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:
May. 13, 2025

Filed:

Apr. 19, 2022
Applicant:

Vmware Llc, Palo Alto, CA (US);

Inventors:

Jianjun Shen, Redwood City, CA (US);

Ran Gu, Beijing, CN;

Caixia Jiang, Beijing, CN;

Yves Fauser, Munich, DE;

Assignee:

VMWare LLC, Palo Alto, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/46 (2006.01); G06F 9/455 (2018.01); G06F 9/50 (2006.01); G06F 9/54 (2006.01); H04L 41/0803 (2022.01); H04L 41/122 (2022.01); H04L 61/2521 (2022.01);
U.S. Cl.
CPC ...
H04L 12/4645 (2013.01); G06F 9/45558 (2013.01); G06F 9/5016 (2013.01); G06F 9/505 (2013.01); G06F 9/547 (2013.01); H04L 41/0803 (2013.01); H04L 41/122 (2022.05); H04L 61/2535 (2013.01); G06F 2009/4557 (2013.01); G06F 2009/45595 (2013.01);
Abstract

Some embodiments of the invention provide a method for processing data messages for routable subnets of a logical network, the logical network implemented by a software-defined network (SDN) and connecting multiple machines. The method receives an inbound data message. The method performs a DNAT (destination network address translation) operation on the received data message to identify a record associated with a destination IP (Internet protocol) address of the data message. From the record, the method identifies a VLAN (virtual local area network) identifier, an LNI (logical network identifier), and a destination host computer IP address for the data message. The method encapsulates the data message with an outer header containing the destination host computer IP address and the VLAN identifier. The method forwards the encapsulated data message to the destination host computer.


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