Smooth upgrading method and smooth upgrading system of communication equipment
A communication device and smooth technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as process data area backup errors, data pointer error data addresses, system crashes, etc.
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[0054] This embodiment takes the calling service as an example.
[0055] image 3 It is a schematic diagram of a smooth upgrade method for communication equipment according to an embodiment of the present invention, as shown in image 3 As shown, this embodiment includes four veneers, namely: veneer a, veneer a', veneer b, and veneer b'; wherein, veneer a' is the backup board of veneer a, and veneer b' is the standby board of board b, and board a and board b are in active state. Process data area messages are exchanged between board a and board a', board b and board b'. In the following, the master / standby upgrade process between board a and board a' is taken as an example for illustration.
[0056] Board a' loads a new version. After power-on, each business process of single board a' enters the standby state, and the global variable of the data area version consistency of each business process is set to "Unknown". After board a is powered on, when each service process ent...
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