Patent Number: 6,310,858

Title: Frame relay system

Abstract: A frame relay system relays a received frame having a destination addressand a frame TTL indicating a term of life of the received frame. The framerelay system includes a routing table having entries, each of the entriesindicating a relationship between a destination address and a controlinformation item, a retrieving unit for retrieving the routing table basedon a destination address included in the received frame, and a framecontrol unit for carrying out a decrement calculation of the frame TTL ofthe received frame when a period of time has elapsed from a time at whichan entry hit in retrieving of the routing table by the retrieving unit wasformed or updated is not equal to or greater than a predetermined valueand for not carrying out the decrement calculation of the frame TTL whenthe period of time period is equal or greater than the predeterminedvalue.

Inventors: Kano; Shinya (Kawasaki, JP), Chugo; Akira (Kawasaki, JP)


International Classification:

Expiration Date: 10/32013