{
   "tosca_definitions_version": "tosca_simple_yaml_1_1_0",
   "topology_template": {
      "policies": [
{
    "nst_minimize_latency": {
        "metadata": {
            "policy-id": "nst_minimize_latency",
            "policy-version": 1
        },
        "properties": {
            "geography": [],
            "identity": "optimization",
            "goal": "minimize",
            "operation_function": {
                "operator": "sum",
                "operands": [
                    {
                        "function": "attribute",
                        "params": {
                            "attribute": "latency",
                            "demand": "nst"
                        }
                    }
                ]
            },
            "resources": [
                "nst"
            ],
            "scope": [
                "OSDF_GUILIN"
            ],
            "services": [
                "nst"
            ]
        },
        "type": "onap.policies.optimization.resource.OptimizationPolicy",
        "type_version": "2.0.0",
        "version": "1.0.0"
    }
}
      ]
   }
}