| 摘要 |
An allocation method for network resource includes: obtaining the current network performance parameters and the preset service SLA; selecting the service levels corresponding to the current network performance parameters from the preset resource usage strategy according to the current network performance parameters, and from the selected service levels, selecting the service level whose grade is equal to or higher than the stated service level grade in service SLA; sending the selected service level to the user terminal; allocating network resource for the user service according to the service level selected by the user terminal. A system and device used to allocate network resource can realize allocating network resource dynamically for the user terminal according to network resource state, and increase the rate of utilization of network resource.
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