Network management device, connection requesting device, network system, and virtual network construction method

摘要

The present invention prevents conflicts in resources of a customer network or a network user device and clarifies a demarcation point. In a network system management apparatus using virtualization technology, a request receiving unit that receives a connection request to a virtual network to be provided, and a request source or a request source of a connection request received by the request receiving unit The request source according to a design payout unit that pays out to the request source or the route configuration device a design of a virtual network constructed in at least one of the route configuration devices constituting the route, and the design paid out by the design payout unit Alternatively, a connected unit that receives a connection from the virtual network constructed in at least one of the path configuration devices to the virtual network to be provided is provided. [Selection] Figure 32