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How IP and X.25 Interfaces in Unix SVR 4.0
How IP and X.25 Interfaces in Unix SVR 4.0
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机译：Unix SVR 4.0中IP和X.25的接口方式
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摘要
In order to reduce the overhead of the TCR / IP and the main processor provided in UNIX SVR 4.0, in UNIX SVR 4.0, which implements the interface between X.25 performed on the dedicated communication board, IP and X.25 interface The method comprising: calling an Xip-ioctl module or an Xip-proto module according to the stream message type when a stream message is transmitted from an IP; and when the Xip-ioctl module is called, Performing a BIND or an UNBIND according to a message type when the Xip-proto module is invoked; setting a BINB or an UNBIND according to a message type; Performing a virtual circuit related action by calling an Xip-conn-mgmt related function after the step is completed; and converting the stream IP message into an X.25 message after completing the step And transmitting the converted X.25 message to the X.25 through the Xip-eng-writ module; analyzing the message transmitted from the X.25; analyzing the analyzed X.25 message And converting the converted stream IP message to an IP IP address and a stream IP message, and transmitting the converted stream IP message to an IP. The Unix SVR 4.0 is accomplished by implementing an IP and X.25 interface method.
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