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{ "type": "array", "items": { "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" } } } } }}