Patent ID: 6999409
Filing Date: 2006-02-14
Classification: H04L

Abstract:
1. An OSI tunnel routing method in which an IP packet which is encapsulated in an OSI packet is transmitted between transmission apparatuses each connected to an IP network in which said transmission apparatuses form an OSI network, said method comprising the steps of: said transmission apparatuses exchanging reachable IP network addresses and each own OSI network address on said OSI network; each of said transmission apparatuses generating an OSI tunnel table which includes OSI network addresses of said transmission apparatuses and said reachable IP network addresses; and a first transmission apparatus in said transmission apparatuses which receives an request to access an IP address determining a second transmission apparatus which can transfer data for said IP address by referring to said OSI tunnel table, and generating an OSI tunnel between said first transmission apparatus and said second transmission apparatus.