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:
Feb. 26, 2019
Filed:
Dec. 21, 2016
Huawei Technologies Co., Ltd., Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A multicast method, apparatus, and system for a software-defined network are presented, where the method includes creating, by a multicast sending device, a multicast group; managing, by the multicast sending device, a member of the multicast group; and completing, by a multicast routing tree management service module disposed on the multicast sending device or on a SDN controller, planning of a multicast routing tree, and converting the planning of the multicast routing tree into a flow entry modification instruction that can be executed by the SDN controller, so that the SDN controller executes the flow entry modification instruction and instructs an SDN switch using a southbound API to execute, according to a modified flow entry, a multicast task. Therefore, multicast is completed by means of mutual cooperation between the multicast sending device and the SDN network.