| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a router for VPN which allows a utilization form in which one destination address belongs to a plurality VPNs, shortens a searching time, reduces a hardware configuration, facilitates the additional provision of VPN, and spends all of processing performance of FE in establishment of VPN, by using an independent table for VPN correspondence and performing search in parallel for each VPN. <P>SOLUTION: The router for VPN is provided with: a VPN identifying means provided for each input line to identify the VPN to which an input IP packet belongs; a distributing means for distributing input IP packets for each VPN corresponding to an identification result by this VPN identifying means; and a means provided so as to correspond to the output port of this distributing means to determine the output path of this input IP packet for each packet allocated to each VPN on the basis of the destination address of the input IP packet distributed for each VPN by this distributing means. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
