| Table of Contents |
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Sequence diagram
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Interfaces
- NSSI selection Request
- Input: Slice profile
- NSST details
- Fetch Optimization policies
- Demand policy for NSSI
- Constraint policies for Selection
- Optimization policies for NSSI selection.
- NSSI selection request - HAS
- Demand: NSSI
- Constraint: Threshold policy, New policy(for CoverageArea )??
- Optimization: Maximize/minimize the service profile parameters
- Fetch NSSI for AAI
- Input: NSST info
- Output: List of NSSIs as candidates
- Run Optimization
- Consolidated Solution based on the policy
- Solution List. Solution object can have NSSI
...
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{"URLLC_core":[{"inventory_provider":"aai","inventory_type":"nssi","unique":"true","filtering_attributes":{"service-role":"nssi","service-function":"shared","model-invariant-id":"21d57d4b-52ad-4d3c-a798-248b5bb9124a","model-version-id":"bfba363e-e39c-4bd9-a9d5-1371c28f4d22"}}]}
|
...
- Threshold Constraint (Matching NSSI)
NSI Selection Policies
1) Demand Policy (VNF Policy)
- Demand name (NSST)
- For NSI
- inventory provider (AAI)
- Inventory type (nssi)
- filtering attributes
- Uniqueness
| Code Block | ||||||||
|---|---|---|---|---|---|---|---|---|
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{
"tosca_definitions_version":"tosca_simple_yaml_1_1_0",
"topology_template":{
"policies":[
{
"OSDF_FRANKFURT.vnfPolicy_URLLC_Core_1":{
"type":"onap.policies.optimization.resource.VnfPolicy",
"version":"1.0.0",
"type_version":"1.0.0",
"metadata":{
"policy-id":"OSDF_FRANKFURT.vnfPolicy_URLLC_Core_1",
"policy-version":1
},
"name":"OSDF_FRANKFURT.vnfPolicy_URLLC_Core_1",
"properties":{
"scope":[
"OSDF_FRANKFURT",
"URLLC_1",
"URLLC_Core_1"
],
"resources":[
],
"services":[
"URLLC_1"
],
"identity":"vnf_URLLC_Core_1",
"geography":[
],
"vnfProperties":[
{
"inventoryProvider":"aai",
"inventoryType":"nssi",
"unique": "true",
"filtering_attributes":{
"service-role":"nssi",
"service-function":"shared",
"model-invariant-id":"21d57d4b-52ad-4d3c-a798-248b5bb9124a",
"model-version-id":"bfba363e-e39c-4bd9-a9d5-1371c28f4d22"
}
}
]
}
}
}
]
}
} |
2) Threshold Policy
- Demand name (NSST)
- List of Constraints
| Code Block | ||||||||
|---|---|---|---|---|---|---|---|---|
| ||||||||
{
"tosca_definitions_version":"tosca_simple_yaml_1_1_0",
"topology_template":{
"policies":[
{
"OSDF_FRANKFURT.Threshold_URLLC_Core_1":{
"type":"onap.policies.optimization.resource.ThresholdPolicy",
"version":"1.0.0",
"type_version":"1.0.0",
"metadata":{
"policy-id":"OSDF_FRANKFURT.Threshold_URLLC_Core_1",
"policy-version":1
},
"properties":{
"scope":[
"OSDF_FRANKFURT",
"URLLC_Core_1"
],
"resources":[],
"services":["URLLC_Core_1"],
"geography":[],
"identity":"Threshold_URLLC_Core_1",
"applicableResources":[
"any"
],
"thresholdProperties":[
{
"attribute":"latency",
"operator":"lte",
"threshold":{
"get_param": "latency"
},
"unit":"ms"
}
]
}
}
}
]
}
} |
3) Query policy
- Existing (All slice profile parameters)
| Code Block | ||||||||
|---|---|---|---|---|---|---|---|---|
| ||||||||
{
"tosca_definitions_version":"tosca_simple_yaml_1_1_0",
"topology_template":{
"policies":[
{
"OSDF_FRANKFURT.queryPolicy_URLLC_1":{
"type":"onap.policies.optimization.service.QueryPolicy",
"version":"1.0.0",
"type_version":"1.0.0",
"metadata":{
"policy-id":"OSDF_FRANKFURT.queryPolicy_URLLC_1",
"policy-version":1
},
"properties":{
"scope":[
"OSDF_FRANKFURT"
],
"services":[
"URLLC_Core_1"
],
"geography":[],
"identity":"queryPolicy_URLLC_1",
"queryProperties":[
{
"attribute":"latency",
"attribute_location":"serviceProfilesliceProfile.latency"
}
]
}
}
}
]
},
"name":"ToscaServiceTemplateSimple",
"version":"1.0.0"
}
|
4) Optimization policy
- minimize latency
- maximize throughput
...
| Code Block | ||||||||
|---|---|---|---|---|---|---|---|---|
| ||||||||
{"service-instance": [{
"service-instance-id": "1a636c4d-5e76-427e-bfd6-241a947224b0",
"service-instance-name": "nssi_test_0211",
"service-type": "embb",
"service-role": "nssi",
"service-function": "shared",
"environment-context": "cn",
"model-invariant-id": "21d57d4b-52ad-4d3c-a798-248b5bb9124a",
"model-version-id": "bfba363e-e39c-4bd9-a9d5-1371c28f4d22",
"resource-version": "1581418601616",
"orchestration-status": "active",
"relationship-list": {
"relationship": [
{
"related-to": "service-instance",
"relationship-label": "org.onap.relationships.inventory.ComposedOf",
"related-link": "/aai/v16/business/customers/customer/5GCustomer/service-subscriptions/service-subscription/5G/service-instances/service-instance/4115d3c8-dd59-45d6-b09d-e756dee9b518",
"relationship-data": [
{
"relationship-key": "customer.global-customer-id",
"relationship-value": "5GCustomer"
},
{
"relationship-key": "service-subscription.service-type",
"relationship-value": "5G"
},
{
"relationship-key": "service-instance.service-instance-id",
"relationship-value": "4115d3c8-dd59-45d6-b09d-e756dee9b518"
}
],
"related-to-property": [
{
"property-key": "service-instance.service-instance-name",
"property-value": "nsi_test_0211"
}
]
}
]
},
"slice-profiles": {
"slice-profile": [
{
"profile-id": "cdad9f49-4201-4e3a-aac1-b0f27902c299",
"latency": 20,
"max-number-of-UEs": 0,
"coverage-area-TA-list": "[{\"province\":\"??\",\"city\":\"???\",\"county\":\"???\",\"street\":\"?????\"}]",
"ue-mobility-level": "stationary",
"resource-sharing-level": "0",
"exp-data-rate-UL": 100,
"exp-data-rate-DL": 100,
"activity-factor": 0,
"e2e-latency": 0,
"jitter": 0,
"survival-time": 0,
"exp-data-rate": 0,
"payload-size": 0,
"traffic-density": 0,
"conn-density": 0,
"resource-version": "1581418602494"
}
]
}
}]}
|
Sample HAS template
| Code Block | ||||
|---|---|---|---|---|
| ||||
{
"files": {},
"limit": 10,
"name": "urllc_sample",
"num_solution": "1",
"template": {
"constraints": {
"URLLC_core_Threshold": {
"demands": [
"URLLC_core"
],
"properties": {
"evaluate": [
{
"attribute": "latency",
"operator": "lte",
"threshold": {
"get_param": "latency"
},
"unit": "ms"
},
{
"attribute": "reliability",
"operator": "gte",
"threshold": {
"get_param": "reliability"
},
"unit": ""
}
]
},
"type": "threshold"
}
},
"demands": {
"URLLC_core": [
{
"filtering_attributes": {
"environment-context": "shared",
"model-invariant-id": "21d57d4b-52ad-4d3c-a798-248b5bb9124a",
"model-version-id": "bfba363e-e39c-4bd9-a9d5-1371c28f4d22",
"service-role": "nssi"
},
"inventory_provider": "aai",
"inventory_type": "nssi",
"unique": "true"
}
]
},
"homing_template_version": "2020-08-13",
"optimization": {
"goal": "minimize",
"operation_function": {
"operands": [
{
"function": "attribute",
"params": {
"attribute": "latency",
"demand": "URLLC_core"
}
}
],
"operator": "sum"
}
}
},
"timeout": 1200
} |