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. 30, 2001
Filed:
Mar. 18, 1998
Shinya Kano, Kawasaki, JP;
Akira Chugo, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A frame relay system relays a received frame having a destination address and a frame TTL indicating a term of life of the received frame. The frame relay system includes a routing table having entries, each of the entries indicating a relationship between a destination address and a control information item, a retrieving unit for retrieving the routing table based on a destination address included in the received frame, and a frame control unit for carrying out a decrement calculation of the frame TTL of the received frame when a period of time has elapsed from a time at which an entry hit in retrieving of the routing table by the retrieving unit was formed or updated is not equal to or greater than a predetermined value and for not carrying out the decrement calculation of the frame TTL when the period of time period is equal or greater than the predetermined value.