| 摘要 |
<P>PROBLEM TO BE SOLVED: To cause a traffic to circulate in respectively different circulation path for each VPN for a site (a common site) belonging to plural VPNs. <P>SOLUTION: In a provider edge PE accommodating a common site, a VPN is generated on a physical network and stored on second storage means with the VPN correlated with a virtual routing/transfer VRF instance associated with respective site for each service; based on an address obtained from a customer edge or another provider edge, path information of a global routing table storing all edge path information and router path information is retrieved, and path information stored in a VRF corresponding to the VRN applicable to each router for each VPN is retrieved for each VPN stored in second storage means; and, based on the retrieved path information, a packet is transferred using an MP-iBGP. <P>COPYRIGHT: (C)2012,JPO&INPIT |
