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:
Aug. 28, 2018
Filed:
Apr. 25, 2014
Metaswitch Networks Ltd, Enfield, GB;
Casey Davenport, San Francisco, CA (US);
Simon Wingrove, San Francisco, CA (US);
Alex Pollitt, San Francisco, CA (US);
Michael Curtis, San Francisco, CA (US);
Shaun Crampton, San Francisco, CA (US);
Steve Balls, Enfield, GB;
Fiona Corden, Enfield, GB;
METASWITCH NETWORKS LTD, Enfield, Middlesex, GB;
Abstract
Measures for processing data in a packet-switched network. A first device is configured to snoop control packets of a predetermined control plane protocol in the network. The predetermined control plane protocol is operated by a plurality of other devices in the network to obtain Layer 2 information on the basis of known Layer 3 information. The first device does not operate the predetermined control plane protocol in the network. At the first device, in response to identifying that a given snooped packet was generated according to the predetermined control plane protocol. Layer 3 information associated with a second device in the plurality is extracted from the given snooped control plane protocol packet on the basis of known Layer 2 information associated with the second device. The second device is connected to the first device.