Patent ID: 7486663
Filing Date: 2009-02-03
Classification: H04L,Y02D

Abstract:
1. A remote access server that is a data-link initiation reception side device that, in accordance with a connection request that is received by way of a circuit-switching network from a terminal device, which is the data-link initiation side device, initiates a link and connects to an Internet Service Provider (ISP) server by way of the Internet; and controls connections, said remote access server comprising: divided circuit resources that are provided between physical link resources to each of said terminal devices and logical link resources to said ISP server, and means for, upon receiving new connection requests from terminal devices, using a logical link resource and a connection identifier that are not in current use to connect to said ISP server; and means for, upon receiving a request from a terminal device indicating a transition to a dormant state, releasing the physical link resource to said terminal device while maintaining the connection of the logical link resource to said ISP server without change, and upon receiving a reconnection request that indicates a connection identifier from a terminal device, using the logical link resource that is set to that connection identifier to implement reconnection, wherein a logical link resource number, which is the number of said logical link resources, is set greater than a physical link resource number, which is the number of said physical link resources.