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:
Nov. 19, 2013
Filed:
Mar. 02, 2010
Daisuke Matsubara, Yokohama, JP;
Hitoshi Yabusaki, Tokyo, JP;
Yoji Ozawa, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A transport control server () wherein a conversion table including a pre-conversion identifier and a post-conversion identifier, and a conversion type indicating the aggregate/transfer of a path are previously stored for each two segments that are connected to each other. When devices () at the endpoints of the path are specified, the transport control server () calculates the route between the devices to identify one or a plurality of gateway nodes (to) on the route. Also, the transport control server () acquires from a storage unit the pre-conversion identifier, post-conversion identifier, and conversion type corresponding to two segments that are connected by the identified nodes for each of the identified nodes, and sets the acquired identifiers and conversion type to each of the nodes. Each of the nodes encapsulates and transmits a received packet including the set pre-conversion identifier using the set post-conversion identifier, or replaces the set pre-conversion identifier with the set post-conversion identifier and transmits the post-conversion identifier in accordance with the set conversion type.