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    • 7. 发明申请
    • COMMUNICATIONS APPARATUS AND METHOD
    • 通信设备和方法
    • WO2005048535A1
    • 2005-05-26
    • PCT/EP2004/011344
    • 2004-09-29
    • SIEMENS AKTIENGESELLSCHAFTLINDEMANN, WernerSCHÖNFELD, Norbert
    • LINDEMANN, WernerSCHÖNFELD, Norbert
    • H04L12/28
    • H04L29/06H04L29/12009H04L29/1233H04L29/12471H04L61/2553H04L67/14H04L69/16H04L69/163H04L69/168H04L69/329
    • A communications apparatus includes a router (10), a network address translator (12) and a connection controller (11). The connection controller (11) governs the connection from LAN (1) to other networks such as the Internet. The LAN serves a number of terminals (2 to 7). in the event that the connection controller determines that the link to a particular LAN is not used it will enter a short term hold process. After a predetermined time has elapsed the connection is broken. However, the short term hold process can be circumvented by the network translator maintaining a record of the terminal use (or more particularly a port serving an application on the terminal). In the event that all the terminals are determined as not in use then a message is sent to the connection controller 11 indicating such and the connection is released. This avoids unnecessary connection cost and also enhances security of the LAN 1.
    • 通信装置包括路由器(10),网络地址转换器(12)和连接控制器(11)。 连接控制器(11)控制从LAN(1)到诸如因特网的其他网络的连接。 LAN服务于多个终端(2到7)。 在连接控制器确定到不使用特定LAN的链接的情况下,它将进入短期保持处理。 经过一段预定时间后,连接断开。 然而,短期保持过程可以由维护终端使用记录的网络转换器(或更具体地,服务终端上的应用的端口)来规避。 在所有终端被确定为不使用的情况下,向连接控制器11发送指示这样的消息并且连接被释放。 这样可以避免不必要的连接成本,并提高LAN 1的安全性。