IMPROVED CLIENT AND SERVER ARCHITECTURE USING INTERNET AND NETWORK WHOSE SERVICE QUALITY IS GUARANTEED FOR PERFORMING ACCESS TO DISTRIBUTED MEDIUM SOURCES

摘要

PROBLEM TO BE SOLVED: To improve service quality, security, and charging function or the like by annexing a packet network, for example, an internet, and a guaranteed QOS (service quality) network, for example, a public line network in a system level. ;SOLUTION: In each client station 100, a first interface 101 provides connection with an internet 130, and this connection is set by using, for example, LAN connection and serial line internet protocol connection or the like through an modem or an ISDN port. This connection is set through a network 110, and the network 110 can be private connection or a public exchange telephone network. On the other hand, a second interface 102 provides connection with a guaranteed QOS network 120, for example, a public or private exchange telephone network. Thus, a packet network, for example, an internet 130 and the guaranteed QOS network 120, for example, a public exchange network are annexed in a system level so that a complete information highway can be provided to a user.;COPYRIGHT: (C)1998,JPO