Keep-alive method and device of NAT (Network Address Translation) device
A device and state retention technology, applied in the field of communication, to achieve the effect of reducing the burden of signaling processing and reducing the burden
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Embodiment 1
[0032] An embodiment of the present invention provides a method for keeping alive a NAT device, specifically as figure 1 shown, including:
[0033] S101. After a first connection is established for a first application, acquire a first state retention time of the first connection corresponding to the first application.
[0034] Wherein, the first state keeping time refers to the state keeping time required by the first connection corresponding to the first application. When establishing a connection for different applications, depending on the type of the application and the type of the connection, the required state holding time may be different, which is not specifically limited in this embodiment of the present invention.
[0035] Specifically, the first connection in this embodiment of the present invention may be a connection based on the TCP protocol, or a connection based on the UDP protocol, etc., which is not specifically limited in this embodiment of the present invent...
Embodiment 2
[0094] An embodiment of the present invention provides a keep-alive device 1 of a network address translation NAT device, such as Figure 5 As shown, the keep-alive device 1 includes: an acquisition unit 10 , a determination unit 11 , a timer reset unit 12 , and a counter counting unit 13 .
[0095] Wherein, the obtaining unit 10 is configured to obtain the first state retention time of the first connection corresponding to the first application after the first connection is established for the first application;
[0096] The determination unit 11 is configured to determine the observation time and the number of automatic resets of the first connection according to the first state retention time in combination with a preset strategy, wherein, when the first state retention time is greater than the uniformly set second state of the first connection During the holding time, the observation time is less than the second state holding time;
[0097] The timer reset unit 12 is used...
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