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:
Jul. 16, 2002
Filed:
Feb. 05, 1998
Kazuo Sakagawa, Nagoya, JP;
Jun Ogawa, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An apparatus and a method for transferring a packet flow having a plurality of packets in a communication network which includes plural subnetworks, first and second end systems connected to the respective subnetworks and a transit system for relaying the packet and a message between the first and second end systems through a default route, where the packet flow is forwarded from the first end system to the second end system or to a terminal connected to the second end system, in the first end system, determines it by collating the packet with a predetermined criterion whether to forward the packet flow through a shortcut path bypassing the default route and in dependence upon the determining, sends to the second end system through the default route, a request message requesting to set the shortcut path, along with an address of the first end system; in the second end system, requests the communication network to set the shortcut path between the first and second end systems in accordance with the request message; and in the first and second end systems, forwards the packet flow through the shortcut path.