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SDN-R is modified for

RANSlice Instantiation
RANSlice Modification
RANSlice Activation
RANSlice Deactivation
RANSlice Termination
Closed Loop (covers intelligent slicing)

Refer the end-to-end RAN Slicing flow: https://wiki.onap.org/display/DW/RAN+Slicing+Flow

First draft of YANG Models for Northbound RPC's for review and comments
- RANSlice-API.yang
- RANSlice-API-tree
- RANSlice-API.yang
- RANSlice-API-tree
G-release yang model is available at https://gerrit.onap.org/r/gitweb?p=ccsdk/features.git;a=tree;f=sdnr/northbound/ranSlice/model/src/main/yang;h=8a63dcd8202b01ac259136e57fd786428595feba;hb=refs/heads/guilin

Assumptions & Limitations:

RRMPolicy
1. rRMPolicyDedicatedRatio is alone considered for this release which indicates that resource sharing is not allowed across the RRMPolicymemberslist
YANG Model
YANG Model
1. NearRTRIC sliceprofile is not updated to Netconf in G-release

RAN Slice Lifecycle Management

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SDNR Development

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DMaapInterfaces Interfaces & I/O parameters:

SO (RAN NSSMF) → SDN-C :

...

RAN-Slice-Mgmt – Requests from SO are posted at this topic. The same topic is used for configureNSSI, closed loop and intelligent slicingall RPCs

Asynchronous Response:

Call back to SO is sent via Rest API

DMaap Messages:

RAN NF NSSI Allocation

Code Block

title	Request
collapse	true

{ 
    "body": { 
        "input": { 
            "CommonHeader": { 
                "TimeStamp": "2018-11-30T09:13:37.368Z", 
                "APIver": "1.0", 
                "RequestID": "9d2d790e-a5f0-11e8-98d0-529269fb1459", 
  				 "SubRequestID": "1", 
                "RequestTrack": {}, 
                "Flags": {} 
            }, 
            "Action": "allocate”,             
            "Payloadpayload": "{
		 \"input\": {
  	“sliceProfile”:{
   “sliceProfileId”:””,
    “sNSSAI”:””,
    “maxNumberofUEs”:20000,
    “latency”:10,
    “uLThptPerSlice”:3000,
    “dLThptPerSlice”:3000,
    “maxNumberofConns”:4000,
    “coverageAreaList”:[],
    “uEMobilityLevel”:””,
    “resourceSharingLevel”:””,
    "pLMNIdList":""  
  },
  “RANNSSIId”:””,
  “RANNFNSSIId”:””,
  “callbackURL”:””,
  “additionalproperties”:{
  }
}
} \"sliceProfile\": { \"sliceProfileId\": \"1002\", \"sNSSAI\": \"100-10000\", \"maxNumberofUEs\": 20000, \"latency\": 10, \"uLThptPerSlice\": 3000, \"dLThptPerSlice\": 3000, \"maxNumberofConns\": 4000, \"coverageAreaList\": [\"Lavelle\"], \"uEMobilityLevel\": \"\", \"resourceSharingLevel\": \"\", \"pLMNIdList\": [\"310-410\"] }, \"RANNSSIId\": \"\", \"RANNFNSSIId\": \"\", \"callbackURL\": \"\", \"additionalproperties\": { } } }" 
 }
        }, 
        "version": "1.0", 
 "rpc-name": " InstantiateRANSlice", 
        "correlation-id": "9d2d790e-a5f0-11e8-98d0-529269fb1459-1", 
        "type": "request"
}

RAN NF NSSI Modification

Code Block

title	RequestRequest
collapse	true

{
	"body": {
		"input": {
			"CommonHeader": {
				"TimeStamp": "2018-11-30T09:13:37.368Z",
				"APIver": "1.0",
				"RequestID": "9d2d790e-a5f0-11e8-98d0-529269fb1459",
				"SubRequestID": "1",
				"RequestTrack": {},
				"Flags": {}
			},
			"Action": "modify-allocate,modify-deallocate,reconfigure",
			"Payload": "{\"input\":{\"sliceProfile\":{\"sliceProfileId\":\"\",\"sNSSAI\":\"001-100001\",\"maxNumberofUEs\": 5000, \"uLThptPerSlice\":3000,\"dLThptPerSlice\":3000,\"maxNumberofConns\":4000},\"RANNFNSSIId\":\"\",\"callbackURL\":\"\",\"globalCustomerId\":\"5GCustomer\",\"serviceType\":\"5G\",\"additionalproperties\":{\"resourceConfig\":{}}}}"
		}
	},
	"version": "1.0",
	"rpc-name": " InstantiateRANSlice ",
	"correlation-id": "9d2d790e-a5f0-11e8-98d0-529269fb1459-1",
	"type": "request"
}

where,
resourceConfig:
Closed Loop:
{
         "1":{
            "dLThptPerSlice":50,
            "uLThptPerSlice":40
         },
         "2":{
            "dLThptPerSlice":50,
            "uLThptPerSlice":30
          }
}

Intelligent Slicing:

{ 
   "snssai":"0001-0111",
   "data":[
      {
         "gNBCUName":"cucpName",
		 "nearRTRICId":"NearRTRIC1",
         "cellCUList":[
            {
               "cellLocalId":111,
               "configData":{
                  "maxNumberofConns":"20",
                  "predictedMaxNumberofConns":"25",
                  "lastUpdatedTS":"yyyy/MM/dd HH:mm:ss"
               }
            },
            {
               "cellLocalId":112,
               "configData":{
                  "maxNumberofConns":"20",
                  "predictedMaxNumberofConns":"25",
                  "lastUpdatedTS":"yyyy/MM/dd HH:mm:ss"
               }
            }
         ]
      },
      {
         "gNBCUName":"cucpName2",
		"nearRTRICId":"NearRTRIC2",
         "cellCUList":[
            {
               "cellLocalId":113,
               "configData":{
                  "maxNumberofConns":"20",
                  "predictedMaxNumberofConns":"25",
                  "lastUpdatedTS":"yyyy/MM/dd HH:mm:ss"
               }
            },
            {
               "cellLocalId":114,
               "configData":{
                  "maxNumberofConns":"20",
                  "predictedMaxNumberofConns":"25",
                  "lastUpdatedTS":"yyyy/MM/dd HH:mm:ss"
               }
            }
         ]
      }
   ]
}

RAN NF NSSI Termination

Code Block

title	Request
collapse	true

{
	"body": {
		"input": {
			"CommonHeader": {
				"TimeStamp": "2018-11-30T09:13:37.368Z",
				"APIver": "1.0",
				"RequestID": "9d2d790e-a5f0-11e8-98d0-529269fb1459",
				"SubRequestID": "1",
				"RequestTrack": {},
				"Flags": {}
			},
			"Action": " deallocate ",
			"Payload": "{\"input\":{\"RANNFNSSIId\":\"79f2ce09-3de3-44cb-aa05-cae0cbe8f778\",\"callbackURL\":\"\",\"sNSSAI\":\"001-100001\",\"sliceProfileId\":\"4b7c3c8f-eb79-401a-b40b-290d74f5b189\",\"additionalproperties\":{}}}"
		}
	},
	"version": "1.0",
	"rpc-name": "terminateRANSliceInstance",
	"correlation-id": "9d2d790e-a5f0-11e8-98d0-529269fb1459-1",
	"type": "request"
}

...

RAN NF NSSI Activation

Code Block

title	Request
collapse	true

{
	"body": {
		"input": {
			"Action": "activate",
			"Payload": "{\"input\":{\"sliceProfileId\":\"4b7c3c8f-eb79-401a-b40b-290d74f5b189\",\"RANNFNSSIId\":\"79f2ce09-3de3-44cb-aa05-cae0cbe8f778\",\"callbackURL\":\"http://so-bpmn-infra.onap:8081/mso/WorkflowMessage/SDNRActivateResponse/ecf745ab-167d-49b3-8f62-8218f2e6eb8a\",\"sNSSAI\":\"001-100001\"}}",
			"CommonHeader": {
				"TimeStamp": "2021-02-24T11:27:33.033",
				"APIver": "1.0",
				"RequestID": "ecf745ab-167d-49b3-8f62-8218f2e6eb8a",
				"SubRequestID": "1"
			}
		}
	},
	"version": "1.0",
	"rpc-name": "activateRANSlice",
	"correlation-id": "ecf745ab-167d-49b3-8f62-8218f2e6eb8a",
	"type": "request"
}

...

RAN NF NSSI Deactivation

Code Block

title	Request
collapse	true

{
	"body": {
		"input": {
			"CommonHeader": {
				"TimeStamp": "2018-11-30T09:13:37.368Z",
				"APIver": "1.0",
				"RequestID": "9d2d790e-a5f0-11e8-98d0-529269fb1459",
				"SubRequestID": "1",
				"RequestTrack": {},
				"Flags": {}
			},
			"Action": "deactivate ",
			"Payload": "{\"input\":{\"RANNFNSSIId\":\"\",\"sNSSAI\":\"001-100001\",\"sliceProfileId\":\"\",\"callbackURL\":\"\",\"additionalproperties\":{}}}"
		}
	},
	"version": "1.0",
	"rpc-name": "deactivateRANSliceInstance",
	"correlation-id": "9d2d790e-a5f0-11e8-98d0-529269fb1459-1",
	"type": "request"
}

Callback:

Callback response to SO is sent through REST API.

EndPoint URL: Comes in SO request

Code Block

title	Callback Response
collapse	true

{
  "status": "",
  "reason": {},
  "requestId": "",
  "action": "",
  "nfIds":{
	"CUCPs":[],
    "CUUPs":[],
     "DUs":[]
   }
}

CUCPs - List of gNBCUNames configured as part of this request

CUUPs - List of gNBCUUPId

DUs - List of gNBDUId

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Versions Compared

Old Version 21

New Version 22

Key

RAN Slice Lifecycle Management

SDNR Development