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{
"description": "This type represents a threshold.\n",
"type": "object",
"required": [
"id",
"objectInstanceId",
"criteria",
"_links"
],
"properties": {
"id": {
"description": "An identifier with the intention of being globally unique.\n",
"type": "string"
},
"objectInstanceId": {
"description": "An identifier with the intention of being globally unique.\n",
"type": "string"
},
"criteria": {
"description": "This type represents criteria that define a threshold.\n",
"type": "object",
"required": [
"performanceMetric",
"thresholdType"
],
"properties": {
"performanceMetric": {
"description": "Defines the performance metric associated with the threshold, as specified in ETSI GS NFV-IFA 027).\n",
"type": "string"
},
"thresholdType": {
"description": "Type of threshold. This attribute determines which other attributes are present in the data structure. Permitted values: * SIMPLE: Single-valued static threshold In the present document, simple thresholds are defined. The definition of additional threshold types is left for future specification.\n",
"type": "string",
"enum": [
"SIMPLE"
]
},
"simpleThresholdDetails": {
"description": "Details of a simple threshold. Shall be present if thresholdType=\"SIMPLE\".\n",
"type": "object",
"required": [
"thresholdValue",
"hysteresis"
],
"properties": {
"thresholdValue": {
"description": "The threshold value. Shall be represented as a floating point number.\n",
"type": "integer"
},
"hysteresis": {
"description": "The hysteresis of the threshold. Shall be represented as a non-negative floating point number. A notification with crossing direction \"UP\" will be generated if the measured value reaches or exceeds \"thresholdValue\" + \"hysteresis\". A notification with crossing direction \"DOWN\" will be generated if the measured value reaches or undercuts \"thresholdValue\" - \"hysteresis\". The hysteresis is defined to prevent storms of threshold crossing notifications. When processing a request to create a threshold, implementations should enforce a suitable minimum value for this attribute (e.g. override the value or reject the request).\n",
"type": "integer"
}
}
}
}
},
"_links": {
"description": "Links for this resource.\n",
"type": "object",
"required": [
"self"
],
"properties": {
"self": {
"description": "This type represents a link to a resource.\n",
"type": "object",
"required": [
"href"
],
"properties": {
"href": {
"description": "URI of the referenced resource.\n",
"type": "string",
"format": "url"
}
}
},
"object": {
"description": "Link to a resource representing the VNF instance for which performance information is collected. Shall be present if the VNF instance information is accessible as a resource.\n"
}
}
}
}
}