| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent that influence of failure or overload occurring in VR to which VPN attributes extends to another VR. <P>SOLUTION: In a public network, as an edge router 11a forming a virtual, dedicated network, a network forwarder 201 and an access network processor 211 are provided for each port 211, and the access network processor controls and manages a virtual router at a site that belongs to the port using the access network forwarder. <P>COPYRIGHT: (C)2004,JPO</p> |
