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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.

Patent No.:

US 11438257 B1

PDFFull Text
Date of Patent:
Sep. 06, 2022

Filed:

Jun. 17, 2020

Generating forward and reverse direction connection-tracking records for service paths at a network edge

Applicant:

Vmware, Inc., Palo Alto, CA (US);

Inventors:

Pierluigi Rolando, Santa Clara, CA (US);

Jayant Jain, Cupertino, CA (US);

Raju Koganty, San Jose, CA (US);

Yuxiao Zhang, Mountain View, CA (US);

Kantesh Mundaragi, Pune, IN;

Rahul Mishra, Mountain View, CA (US);

Assignee:

VMWARE, INC., Palo Alto, CA (US);

Attorney:

Adeli LLP

Primary Examiner:

Gerald A Smarth

Int. Cl.
CPC ...
G01R 31/08 (2020.01); H04L 45/00 (2022.01); H04L 47/2441 (2022.01); H04L 67/142 (2022.01); H04L 45/586 (2022.01); H04L 12/46 (2006.01); H04L 45/745 (2022.01); H04L 47/2408 (2022.01); H04L 67/51 (2022.01); H04L 45/02 (2022.01); H04L 45/12 (2022.01); H04L 45/24 (2022.01); H04L 45/302 (2022.01); H04L 49/20 (2022.01); H04L 41/0893 (2022.01); H04L 49/00 (2022.01); H04L 9/40 (2022.01); H04L 67/1004 (2022.01); H04L 47/125 (2022.01); H04L 67/146 (2022.01); H04L 67/563 (2022.01); H04L 67/63 (2022.01); H04L 41/0654 (2022.01); H04L 45/30 (2022.01); H04L 45/741 (2022.01); H04L 47/70 (2022.01);
U.S. Cl.
CPC ...
H04L 45/20 (2013.01); H04L 12/4633 (2013.01); H04L 12/4662 (2013.01); H04L 41/0654 (2013.01); H04L 41/0893 (2013.01); H04L 45/02 (2013.01); H04L 45/04 (2013.01); H04L 45/12 (2013.01); H04L 45/24 (2013.01); H04L 45/30 (2013.01); H04L 45/306 (2013.01); H04L 45/586 (2013.01); H04L 45/741 (2013.01); H04L 45/745 (2013.01); H04L 47/125 (2013.01); H04L 47/2408 (2013.01); H04L 47/2441 (2013.01); H04L 49/20 (2013.01); H04L 49/70 (2013.01); H04L 63/0272 (2013.01); H04L 63/164 (2013.01); H04L 63/306 (2013.01); H04L 67/1004 (2013.01); H04L 67/142 (2013.01); H04L 67/146 (2013.01); H04L 67/16 (2013.01); H04L 67/2814 (2013.01); H04L 67/327 (2013.01); H04L 47/825 (2013.01);
Abstract

Some embodiments provide stateful services in a chain of services identified for some data messages. The edge forwarding element receives a data message at a particular interface of the edge forwarding element that is traversing the edge forwarding element in a forward direction between two machines. The edge forwarding element identifies (1) a set of stateful services for the received data message and (2) a next hop associated with the identified set of stateful services in the forward direction and a next hop associated with the identified set of stateful services in the reverse direction. Based on the identified set of services and the next hops for the forward and reverse directions, the edge forwarding element generates and stores first and second connection tracking records for the forward and reverse data message flows, respectively used to forward data messages received subsequently for the flow.

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