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:
Oct. 11, 2016
Filed:
Jul. 25, 2014
Hitachi Metals, Ltd., Minato-ku, Tokyo, JP;
Kenji Aoshima, Tsuchiura, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
A core switching device has a virtual path table and an address table, and selectively performs a PBB operation and a virtual path operation. The virtual path table retains a correspondence relation between a service instance identifier and two ports in a plurality of ports set in advance. The address table retains a correspondence relation between the plurality of ports and an encapsulation address. The core switching device relays an encapsulated frame based on the address table in the PBB operation and relays an encapsulated frame containing the service instance identifier retained in the virtual path table between the two ports retained in the virtual path table in the virtual path operation.