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.:
Date of Patent:
Jan. 12, 2021
Filed:
Jun. 05, 2018
Nec Laboratories Europe Gmbh, Heidelberg, DE;
Fabian Schneider, Heidelberg-Bahnstadt, DE;
Faqir Zarrar Yousaf, Leimen, DE;
NEC CORPORATION, Tokyo, JP;
Abstract
A forwarding element includes a control engine and a forwarding table. The control engine includes a command template that includes a stateful interaction instruction. The forwarding table includes a rule entry that defines a match description and an action instruction. The forwarding element is configured to: receive a packet; determine packet attributes based on the packet; compare the packet attributes to the match description to determine whether there is a rule match, execute the action instruction in response to determining there is the rule match, which includes causing a trigger signal to be sent to the control engine, the trigger signal corresponding to the command template, and perform a stateful interaction on the packet according to the stateful interaction instruction in response to receiving the trigger signal.