Session control method, device and GPRS gateway control node GGSN
A session control and gateway control technology, applied in the communication field, can solve the problems of Gi firewall resource waste, failure to be released in time, user over-traffic billing, etc., to achieve timely clearing, simple implementation, and avoid abnormal connection effects
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[0073] In order to make the technical problems, technical solutions, and advantages to be solved by the embodiments of the present invention clearer, a detailed description will be given below with reference to the drawings and specific embodiments.
[0074] The embodiment of the present invention provides a session control method for the GPRS gateway control node GGSN, the GGSN is used to perform the mapping conversion between the private network address and the public network address, and to maintain the relationship between the private network address and the public network address A list of mapping entries;
[0075] The method is as Figure 4 Shown, including:
[0076] Step 41: Detect whether the GGSN receives a packet data protocol PDP deactivation message requesting to release the packet data service;
[0077] Step 42: When the detection result indicates that the GGSN receives the PDP deactivation message, release the private network IP address carried in the PDP deactivation me...
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