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. 17, 2017
Filed:
Jan. 29, 2015
Xingjun Chu, Ottawa, CA;
Yinfeng Henry Yu, Ottawa, CA;
Guoli Yin, Ottawa, CA;
Yapeng Wu, Nepean, CA;
Tao Wan, Ottawa, CA;
Peter Ashwood-smith, Gatineau, CA;
Khaldoon Al-zoubi, Kanata, CA;
Xingjun Chu, Ottawa, CA;
Yinfeng Henry Yu, Ottawa, CA;
Guoli Yin, Ottawa, CA;
Yapeng Wu, Nepean, CA;
Tao Wan, Ottawa, CA;
Peter Ashwood-Smith, Gatineau, CA;
Khaldoon Al-Zoubi, Kanata, CA;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, Guangdong, CN;
Abstract
The devices, systems, and methods test network connectivity, where the physical network is used to provide one or more service chains connecting service appliances, including firewalls, intrusion detection systems, load balancers, network address translators, web servers, and so on. A service chain may involve multiple routing paths. The devices, systems, and methods test network connectivity test network connectivity by injecting customized echo request packets on each routing path and collecting customized echo reply packets in response. The customized echo reply packets are processed and aggregated to isolate network connectivity problems.