| Table of Contents |
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Sequence diagram
| Drawio | ||||||||||||||||||||
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Interfaces
- NSI 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
Note
...
For the non-shared scenario, No solution will be returned.
Demand
Candidates:
- NSSI (AAI Inventory)
...
| Elite soft json viewer | ||||
|---|---|---|---|---|
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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"}}]}
|
List of Constraints
- 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":"sliceProfile.latency"
}
]
}
}
}
]
},
"name":"ToscaServiceTemplateSimple",
"version":"1.0.0"
}
|
4) Optimization policy
- minimize latency
- maximize throughput
HAS Candidates
NSSI candidate
| Elite soft json viewer | ||||||||
|---|---|---|---|---|---|---|---|---|
| Code Block | ||||||||
| ||||||||
{ "candidate_id": "1ac71fb8cdad9f49-ad434201-4e164e3a-9459aac1-c3f372b8236db0f27902c299", "candidate_type": "nssi", "inventory_type": "nssi", "inventory_provider": "aai", "cost": "1", "uniqueness": "true", "nssi_id": "1a636c4d-5e76-427e-bfd6-241a947224b0", "nssi_name": "nssi_test_0211", "current_availability": { "domain_type": "cn", "latency": 20, "max_numberof_UEs": 0, "coverage_area_TA_list": "[{"key":"value"}}\"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 } |
Consumed APIs (AAI)
GET NSSI info from AAI
| 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
} |