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:
Apr. 21, 2015
Filed:
Jun. 29, 2011
Linda Dunbar, Plano, TX (US);
Susan Hares, Saline, MI (US);
T. Benjamin Mack-crane, Downers Grove, IL (US);
Robert Sultan, Somers, NY (US);
Peter Ashwood-smith, Gatineau, CA;
Guoli Yin, Ottawa, CA;
Linda Dunbar, Plano, TX (US);
Susan Hares, Saline, MI (US);
T. Benjamin Mack-Crane, Downers Grove, IL (US);
Robert Sultan, Somers, NY (US);
Peter Ashwood-Smith, Gatineau, CA;
Guoli Yin, Ottawa, CA;
Futurewei Technologies, Inc., Plano, TX (US);
Abstract
An apparatus comprising a service network, and a plurality of Layer 2 sites connected by the service network via a plurality of gateways, wherein the gateways are configured to map a plurality of Internet Protocol (IP) addresses of a plurality of hosts under a plurality of virtual local area networks (VLANs) in a plurality of Layer 2 sites to a plurality of addresses (e.g. MAC or others) of the corresponding gateways inform the other gateways in the other Layer 2 sites of the mapped IP addresses under each of the VLANs in the local Layer 2 sites, and forward data frames originated from the hosts in the local Layer 2 sites to the other gateways in the other Layer 2 sites when the data frames' destinations are residing in the other Layer 2 sites.