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:
Sep. 15, 2015
Filed:
Feb. 08, 2013
Masahiko Takahashi, Tokyo, JP;
Masahiko Takahashi, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A switching system in which a unique additional address is used for each session, and session information is transferred as it is without rewriting the session information when a communication device such as a server is switched, a switching method, and a switching program are disclosed. The switching system comprises a switching device () for selecting an address for each session from a first communication device, attaching the address to a packet from the first communication device in place of a destination address of the packet, and sending the packet, a dispatcher () for setting up a session with the first communication device, selecting a server to deal with the request from the first communication device, and transferring the set up session to a second communication device, and servers (--) for taking over the session transferred by the dispatcher and dealing with the request from the first communication device.