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. 14, 1997
Filed:
Feb. 22, 1995
Takeshi Kawasaki, Kawasaki, JP;
Haruo Mukai, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An object of the present invention is to keep the scale of the connectionless function at the minimum and plan the expansion of the network scale and the ability expansion of the exchange in connectionless communication. In order to attain the object, the present invention comprise a destination address detection step for detecting a destination address from a message, a main retrieval step for detecting a routing information corresponding to the destination address from the first register in which only the routing information corresponding to the prescribed number of destination address is registered, a sub-retrieval step for detecting the routing information corresponding to the destination address from the second register in which the routing information corresponding to the all destination address supported by the change is registered, when the routing information corresponding to the destination address is not registered in the first register, and a routing information notification step for notifying the routing information to the exchange, in order to attain the above-mentioned object.