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:
Mar. 29, 2022
Filed:
Dec. 07, 2020
Ciena Corporation, Hanover, MD (US);
Vijay Mohan Chandra Mohan, San Jose, CA (US);
Prasanth Gajarampalli, San Jose, CA (US);
Ciena Corporation, Hanover, MD (US);
Abstract
Systems and methods include, responsive to routing a packet to a destination via an external interface of a plurality of external interfaces, receiving the packet; checking if the packet belongs to an existing session for network address and port translation based on a session key; if the packet does not belong to the existing session, assigning the packet an Internet Protocol (IP) address and port based on the routing; if the packet belongs to the existing session, checking if an active path has changed, and, if not, performing the network address and port translation based on the session; and, if the active path has changed, assigning the packet an Internet Protocol (IP) address and port based on another external interface associated with the changed active path.