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    • 54. 发明专利
    • Virtual private network system
    • 虚拟私有网络系统
    • JP2005229652A
    • 2005-08-25
    • JP2005136694
    • 2005-05-09
    • Fujitsu Ltd富士通株式会社
    • KAKEMIZU MITSUAKIYAMAMURA SHINYAWAKAMEDA HIROSHITANIGUCHI HIROYUKI
    • H04W40/34H04L12/70H04L12/701H04W4/06H04W8/04H04W8/26H04W12/02H04W12/06H04W76/04H04W80/04H04L12/56
    • PROBLEM TO BE SOLVED: To provide a system capable of providing safe and seamless mobile VPN services inside and outside an enterprise network without changing a private address assigned in the enterprise network etc. SOLUTION: A home agent (HA) is allowed to have a gateway function having a security function of the enterprise network, and a VPN is previously established between the home agent installed in a communication carrier and the security gateway of the enterprise network when a service contract is made between the communication carrier and the enterprise. In this way, a co-located mode of a mobile node (MN) is used, VPN information corresponding to the security level of a network accommodating a mobile terminal is distributed to the mobile terminal in the location registration procedure of a mobile IP, thereby configuring a VPN efficiently utilizing a tunnel set-up processing of the mobile IP. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供能够在企业网络内部和外部提供安全无缝的移动VPN服务的系统,而不改变在企业网络中分配的私有地址等。解决方案:归属代理(HA) 被允许具有具有企业网络的安全功能的网关功能,并且当在通信运营商与通信运营商之间进行服务合同时,在安装在通信运营商中的归属代理和企业网络的安全网关之间先前建立VPN 企业。 以这种方式,使用移动节点(MN)的共同定位模式,在移动IP的位置登录过程中,将与容纳移动终端的网络的安全级别对应的VPN信息分配给移动终端,从而 使用移动IP的隧道建立处理来有效地配置VPN。 版权所有(C)2005,JPO&NCIPI
    • 59. 发明专利
    • DECENTRALIZED CALL CONTROL SYSTEM
    • JPH07298320A
    • 1995-11-10
    • JP8184294
    • 1994-04-20
    • FUJITSU LTD
    • KAKEMIZU MITSUAKIFUKAZAWA MITSUNORI
    • H04Q3/545H04M3/00
    • PURPOSE:To reduce an increase in load accompanying the diversification of service functions that an exchange is equipped with by executing a call processing function a call processing means by using resource data which are already stored, and requesting another exchange or a control node to update the resource data when the resource data are altered. CONSTITUTION:In the exchange, a resource data storage means 300 stores the resource data indicating the use state of a resource that the exchange 100 uses for call processing for the exchange 10 or control node 200. A call processing means 400 executes the corresponding call processing function by using the resource data that are already stored in the means 300 and requests another exchange 100 or control node to update the resource data when the resource data are altered as a result of the execution. An access control means 500 inhibits the resource data which are held by the exchange 100 and control node 200 and used for the call control from being accessed in the process of processing put in charge of the means 400. The means 500 releases the resource data from being accessed once a series of call processes ends.