Resource allocation device and resource allocation method

A resource allocation device comprising:

• a slice request acquiring circuitry to receive a slice request including information indicating a request value range and a priority level for each of plural attributes of a slice;
• a request value selecting circuitry to hold a request value selection policy table that shows how to select a request value for each of the plural attributes from the request value range indicated in the slice request received by the slice request acquiring circuitry on a basis of the priority level indicated in the slice request and select a request value for each of the plural attributes of the slice on a basis of request value selection policy indicated by the request value selection policy table;
• and
• a resource allocating circuitry to allocate a resource to the slice on a basis of the request value that the request value selecting circuitry has selected for each of the plural attributes.