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:
Jun. 08, 2021
Filed:
Apr. 25, 2016
Huawei Technologies Co., Ltd., Shenzhen, CN;
De Liu, Shenzhen, CN;
Pengju Tan, Wuhan, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A multicast delay diagnosis method is provided, where the method includes sending, by a terminal device, a first domain name resolution request to a network node; receiving a first multicast test address returned by the network node; sending a first multicast test join request to the network node by using the first multicast test address, and recording a time point for sending the first multicast test join request; receiving a first packet returned by the network node, and recording a time point for receiving the first packet; calculating, according to the time point for sending the first multicast test join request and the time point for receiving the first packet, a first delay caused when the terminal device joins a multicast test group of the network node; and determining multicast network quality according to the first delay.