| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a communication method capable of realizing a VPN utilizing a label switch path on a label switch network even in the environment where one private network is connected to the label switch network but the other private network is connected to a label non-switch network. <P>SOLUTION: On the basis of contents of a control message used for setting a label switch path from one of private networks to the router which is installed on the boundary of the label switch network and the label non-switch network, the router recognizes that a destination private address of a packet received from the label switch path is the other private network, and the received packet is capsuled with a non-private address corresponding to the other private network, and is transmitted. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
