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. 03, 2017
Filed:
Jul. 25, 2014
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Samita Chakrabarti, Sunnyvale, CA (US);
Alexander Bachmutsky, Sunnyvale, CA (US);
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
A method in a network controller of a control plane in a software defined network (SDN) coupled to a plurality of network elements (NEs) of a data plane in the SDN is described. The method includes at least sending a first control message to an ingress NE of the plurality of NEs to initiate a first test session; sending a second control message to an egress NE of the plurality of NEs to initiate a second test session; sending the test message to the ingress NE to cause the ingress NE to transmit the outgoing message from the ingress NE; receiving the first reply message from the ingress NE; receiving the second reply message from the egress NE; and calculating an indication of a delay between the ingress NE and the egress NE.