PCI Optimization API


This API is used by a PCI Handler Microservice as envisioned in the solution for the Casablanca 5G OOF-PCI Use Case


Table of Contents
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OOF/HAS Create/Update API

Interface DefintionDescription

URI

https://{host}:{port}/api/oof/pci/v1

Operation Type

POST

Content-Type

application/json

Request Header

Header NameRequired?Description

Accept

N

Determines the format of the body of the response. Valid value is “application/json”

Authorization

Y

Supplies Basic Authentication credentials for the request. If the Authorization header is missing, then an HTTP 400 Invalid Request response is returned. If the string supplied is invalid, then an HTTP 401 Unauthorized response is returned.

Content-Type

Y

Determines the format of the request content. Only application/json is supported.

Content-Length

N

Number of bytes in the body of the request. Note that content length is limited to 1 MB.

Request Body

AttributeRequired?CardinalityContentValuesDescription

requestInfo

Y

1

RequestInfo Object


The content of the RequestInfo object.

cellInfo

Y

1

CellInfo Object


The Content of the CellInfo object.

RequestInfo Object

AttributeRequired?CardinalityContentValuesDescription

transactionId

Y

1

UUID/String


A unique ID to track an ONAP transaction.

requestId

Y

1

UUID/String


A unique ID to track multiple requests associated with a transaction.

callbackUrl

Y

1

URL


The end point of a callback service where recommendations are posted.

callbackHeaderN1JSON blob
The header information a client expecting in a async callback.

sourceId

Y

1

String


The unique ID of a client making an optimization call.

requestType

Y

1

String

create, update, delete

The type of a request

numSolutions

N

1

Integer


Expected number of solutions. numSolution can also be specified using an optimization query policies, where the default configured value is 1. The value from a request gets higher precedence over the value defined in a policy.

optimizers

Y

1..N

List of Strings

scheduling

A list of optimization services.

timeout

Y

1

Integer


A tolerance window (in secs) for expecting solutions.

CellInfo Object

AttributeRequired?CardinalityContentValuesDescription

networkId

Y

1

String


Id of network requiring PCI optimization

cellIdList

Y

1..N

List of Strings


List of cellIds triggering need for PCI optimization (e.g. potential confusion)

anrInputListY1..NList of ANR Info objects
ANR inputs (list of 'removable' cells)
fixedPCICellsN1..NList of Strings
List of cellIds whose PCI values are not allowed to be changed during PCI optimization
priorityTreatmentCellsN1..NList of Strings
List of cellIds requiring priority/special treatment during PCI optimization

trigger

N1StringNbrListChange

Type of trigger causing need for PCI optimization

CellId Object

AttributeRequired?CardinalityContentValuesDescription

CellId

Y

1

String


Cell identity

ANRInfo Object

AttributeRequired?CardinalityContentValuesDescription

CellId

Y

1

String


Cell Identity

RemovableNeighborsY1..NList of strings
List of removable neighbor cells

Synchronous Response Body

AttributeRequired?CardinalityContentValuesDescription

requestId

Y

1

UUID/String


A unique Id for an ONAP transaction.

transactionId

Y

1

UUID/String


A unique ID to track multiple requests associated with a transaction.

statusMessage

N

1

String


Reasoning if a requestStatus is failure.

requestStatus

Y

1

String

accepted, failed

The status of a request.

Asynchronous Response Header

Header NameRequired?Description

Accept

N

Determines the format of the body of the response. Valid value is “application/json”

Authorization

Y

Supplies Basic Authentication credentials for the request. If the Authorization header is missing, then an HTTP 400 Invalid Request response is returned. If the string supplied is invalid, then an HTTP 401 Unauthorized response is returned.

Content-Type

Y

Determines the format of the request content. Only application/json is supported.

AttributeNAttribute and respecrtive value that a client has sent in the callbackHeader field of a requerst.

Content-Length

N

Number of bytes in the body of the request. Note that content length is limited to 1 MB.

Asynchronous Response Body

AttributeRequired?CardinalityContentValuesDescription

requestId

Y

1

UUID/String


A unique Id for an ONAP transaction.

transactionId

Y

1

UUID/String


A unique ID to track multiple requests associated with a transaction.

statusMessage

N

1

String


Reasoning if requestStatus is failure.

requestStatus

Y

1

String

completed, failed, pending

The status of a request.

solutions

Y

1..N

List of Solution Objects


Solutions related to a request.

Solution Object

AttributeRequired?CardinalityContentValuesDescription

networkId

Y

1

String


Id of network requiring PCI optimization

pciANRSolutions

Y

1

PCIANRSolution Object contents


A list of cellIds in the networkId with modified PCI values, and optionally a list of neighbors to be blacklisted

PCIANRSolution Object

AttributeRequired?CardinalityContentValuesDescription

cellId

Y

1

String


cellId with modified PCI value

pciSolutions

Y

1..N

List of pciSolution object


New PCI value for cellId

anrSolutionsY1..NList of ANRInfoobject
ANR solutions

pciSolution Object

AttributeRequired?CardinalityContentValuesDescription

cellId

Y

1

String


cellId with modified PCI value

pci

Y

1

Integer


New PCI value for cellId

ANRInfo Object

AttributeRequired?CardinalityContentValuesDescription

cellId

Y

1

String


cellId with modified PCI value

removableNeighbors

Y

1..N

List of Strings


List of neighbors to be blacklisted


HTTP Response Code

HTTP CodeResponse PhraseDescription

201

Created

An optimization solution is found.

202

Accepted

An optimization request is accepted.

400

Bad request

Bad request.

401

Unauthorized

Request body is not compliant with the API definition.

404

Not found

The server cannot find the requested URI.

405

Method not found

The requested method is not supported by a server.

500

Internal server error

The server encountered an internal server error or timed out.

520Solver errorRequested number of solutions cannot be found.

Request Example


OOF/PCI Request Example
{
  "requestInfo": {
    "transactionId": "xxx-xxx-xxxx",
    "requestId": "yyy-yyy-yyyy",
    "callbackUrl": "https://wiki.onap.org:5000/callbackUrl",
    "sourceId": "PCIHMS",
    "requestType": "create",
    "numSolutions": 1,
    "optimizers": ["pci"],
    "timeout": 600
  },
  "cellInfo": {
	"networkId": "NTWK005",
	"cellIdList": [ 
         "EXP001"
         ]
}

Synchronous Response Example


OOF/PCI Response Example
{
  "transactionId": "xxx-xxx-xxxx",
  "requestId": "yyy-yyy-yyyy",
  "requestStatus": "accepted",
  "statusMessage": ""
}

Asynchronous Response Example


OOF/PCI Response Example
{
  "transactionId": "xxx-xxx-xxxx",
  "requestId": "yyy-yyy-yyyy",
  "requestStatus": "completed",
  "statusMessage": "success",
  "solutions": [
	{
		"startTime": "2016-10-01T00:30+01:00",
		"finishTime": "2016-10-01T00:40+01.00",
		"networkId": "NTWK005",
		"pciSolutions": [ 
         {"cellId": "EXP001", "pci": "101"},
         {"cellId": "EXP002", "pci": "102"},
         ]
	}
  ]
}