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    • 8. 发明申请
    • Method for Controlling the Direct Penetrate Communication Two Parts of Which Are Under the Different Nats and the Device Thereof
    • 用于控制直接穿透通信的方法,其中两部分在不同的网络及其设备下
    • US20080165802A1
    • 2008-07-10
    • US11885011
    • 2006-02-23
    • Ke Tang
    • Ke Tang
    • H04L29/12
    • H04L61/2578H04L29/12509H04L29/12528H04L29/12537H04L61/2567H04L61/2575
    • The present invention discloses a user device for implementing direct penetrating communication between a user device under a NAT and another user device under a different NAT and a method for the same. Detection message is sent to an auxiliary detecting device in an external network through a selected local port. Then the reply message from said auxiliary detecting device will be received and the NAT-translated NAT source port of said detection message can be obtained. By comparing the NAT source ports of a plurality of detection messages, it can be determined whether or not the selected port is a penetrated port. After that, the corresponding NAT source address and NAT penetrated port will be informed to another user device under a different NAT (also, the NAT penetrated port and NAT source port determined by said another user device will be received via said external-network device). Therefore, said user device and the opposite-end user device directly communicating with each other through the determined local source port and with the received NAT external-network address and NAT port of the other party as the destination address and destination port.
    • 本发明公开了一种用于在NAT之间的用户设备和不同NAT下的另一用户设备之间实现直接通信的用户设备及其方法。 检测信息通过选定的本地端口发送到外部网络中的辅助检测设备。 然后接收来自所述辅助检测装置的应答消息,并且可以获得所述检测消息的NAT转换NAT源端口。 通过比较多个检测消息的NAT源端口,可以确定所选择的端口是否为穿透端口。 之后,相应的NAT源地址和NAT穿透端口将被通知给不同NAT下的另一个用户设备(同样,由所述另一用户设备确定的NAT穿透端口和NAT源端口将通过所述外部网络设备接收) 。 因此,所述用户设备和对端用户设备通过确定的本地源端口和对方的所接收的NAT外部网络地址和NAT端口作为目的地址和目的地端口彼此直接通信。