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:
Nov. 06, 2018
Filed:
Nov. 15, 2016
Kulcloud, Seongnam-si, Gyeonggi-do, KR;
Suengyoung Park, Yongin-si, KR;
Dipjyoti Saikia, Seongnam-si, KR;
Seokhwan Kong, Yongin-si, KR;
Jimin Lee, Seoul, KR;
Nikhil Malik, Seongnam-si, KR;
KULCLOUD, Seongnam-si, Gyeonggi-Do, KR;
Abstract
A divided hierarchical network system based on software-defined networks, the divided hierarchical network system including: an edge controller configured to: generate forwarding information in response to a flow forwarding inquiry from a lower level and respond to the request with the forwarding information; generate mapping information such that each of a plurality of edge ports of each of a plurality of switches that form the lower level corresponds to each of a plurality of virtual ports of one virtual switch; if it is not possible to generate forwarding information in response to a request received from a lower level for forwarding a flow that comprises edge ports, query forwarding information to an upper level regarding a flow in which the edge port is converted into a corresponding virtual port based on the mapping information.