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    • 59. 发明申请
    • Presence information management system, presence server device, gateway device and client device
    • 存在信息管理系统,存在服务器设备,网关设备和客户端设备
    • US20080034078A1
    • 2008-02-07
    • US11641047
    • 2006-12-19
    • Takeshi SanoMasaaki TakaseMitsuaki Kakemizu
    • Takeshi SanoMasaaki TakaseMitsuaki Kakemizu
    • G06F15/173
    • H04L67/24H04L67/28H04L67/289
    • The present invention provides a presence information management system, a presence server device, a gateway device and a client device, which notify of presence information in realtime while restraining communications traffic. The presence server device managing presence information of a plurality of presentities, comprises a delegating unit sending delegating notification of presence information management function related to at least one of the plurality of presentities, to another device becoming a delegatee of the presence information management function. The gateway device comprises a managing unit managing presence information of a presentity, and a control unit performing control so that, when receiving the delegating notification of the presence information management function about at least one of the plurality of presentities from a presence server, the managing unit is executed with respect to the function-delegated presentity.
    • 本发明提供了一种存在信息管理系统,存在服务器设备,网关设备和客户端设备,其在抑制通信流量的同时实时地通知存在信息。 管理多个呈现的存在信息的呈现服务器设备包括委托单元,将与多个呈现中的至少一个相关的呈现信息管理功能的委托通知发送到成为呈现信息管理功能的代表的另一设备。 网关设备包括管理呈现体的呈现信息的管理单元和执行控制的控制单元,使得当从存在服务器接收关于多个呈现中的至少一个的存在信息管理功能的委托通知时,管理 相对于功能委托的现实执行单位。
    • 60. 发明申请
    • Server and connection destination server switching control method
    • 服务器和连接目的服务器切换控制方式
    • US20070223453A1
    • 2007-09-27
    • US11453447
    • 2006-06-15
    • Masaaki TakaseTakeshi Sano
    • Masaaki TakaseTakeshi Sano
    • H04L12/66
    • H04L67/1008H04L47/19H04L47/30H04L67/1002H04L67/1012H04L67/1029H04L67/28H04L67/2842
    • By providing a load measuring unit measuring the load of a cache server, an overflown load determination unit determining whether the measured load is overflown, by comparing the measured load with a predetermined value, a connection destination retrieval request information transmitting unit transmitting connection destination retrieval request information for requesting to search for the connection destination of a load source cache server, to a contents server if it is determined that the load is overflown, a connection destination information receiving unit receiving connection destination information indicating the retrieved connection destination, from the contents server that has transmitted the connection destination retrieval request information and a switch request transmitting unit transmitting switch request information for requesting to switch the connection to the connection destination indicated by the connection destination information, based on the received connection destination information, the load of each cache server can be distributed.
    • 通过提供测量高速缓存服务器的负载的负载测量单元,通过将测量的负载与预定值进行比较来确定所测量的负载是否溢出的溢出负载确定单元,连接目的地检索请求信息发送单元,发送连接目的地检索请求 用于请求搜索负载源缓存服务器的连接目的地的信息,如果确定负载溢出,则向内容服务器发送信息,连接目的地信息接收单元从内容服务器接收指示检索到的连接目的地的连接目的地信息 已经发送了连接目的地检索请求信息,切换请求发送单元基于所接收的连接发送用于请求切换到由连接目的地信息指示的连接目的地的连接的切换请求信息 目的地信息,每个缓存服务器的负载可以分布。