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openapi: 3.0.0
info:
title: 'ETSI GS MEC 015 Multi-access Traffic Steering APIs'
version: 2.1.1
description: The present document focuses on the Multi-access Traffic Steering multi-access edge service. It describes the related application policy information including authorization and access control, information flows, required information and service aggregation patterns. The present document specifies the necessary API with the data model and data format.
license:
name: BSD-3-Clause
url: 'https://forge.etsi.org/legal-matters'
externalDocs:
description: ETSI GS MEC015 V2.1.1 Traffic Management APIs
url: 'https://www.etsi.org/deliver/etsi_gs/MEC/001_099/015/02.01.01_60/gs_MEC015v020101p.pdf'
servers:
- url: 'https://{apiRoot}/mts/v1'
paths:
/mts_capability_info:
get:
tags:
- ""
summary: "Retrieve the MTS capability informations"
description: "Used to query information about the MTS information. Typically used in the 'Get MTS service Info from the MTS Service' procedure as described in clause 6.2.6."
operationId: "mtsCapabilityInfoGET"
parameters: []
responses:
200:
description: "Upon success, a response body containing the MTS capability information is returned."
content:
application/json:
schema:
type: object
properties:
mtsCapabilityInfo:
$ref: "#/components/schemas/MtsCapabilityInfo"
400:
$ref: "#/components/responses/400"
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
/mts_sessions:
get:
tags:
- ""
summary: "Retrieve information about a list of MTS sessions"
description: "Retrieves information about a list of MTS sessions. Typically used in the 'Get configured MTS Session Info from the MTS Service' procedure as described in clause 6.2.10."
operationId: "mtsSessionsListGET"
parameters:
- $ref: '#/components/parameters/Query.app_instance_id'
- $ref: '#/components/parameters/Query.app_name'
- $ref: '#/components/parameters/Query.session_id'
responses:
200:
description: "Upon success, a response body containing an array of the MTS sessions is returned."
content:
application/json:
schema:
type: object
properties:
mtsSessionInfo:
type: array
items:
$ref: "#/components/schemas/MtsSessionInfo"
400:
$ref: "#/components/responses/400"
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
post:
tags:
- ""
summary: "Create a MTS session"
description: "Used to create a MTS session. This method is typically used in 'Register application to the MTS Service' procedure as described in clause 6.2.7."
operationId: "mtsSessionPOST"
parameters: []
requestBody:
description: "Entity body in the request contains MtsSessionInfo to be created."
required: true
content:
application/json:
schema:
type: object
properties:
MtsSessionInfo:
$ref: '#/components/schemas/MtsSessionInfo'
responses:
201:
description: "Upon success, the HTTP response shall include a 'Location' HTTP header that contains the resource URI of the created resource."
content:
application/json:
schema:
type: object
properties:
mtsSessionInfo:
$ref: "#/components/schemas/MtsSessionInfo"
400:
$ref: "#/components/responses/400"
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
/mts_sessions/{sessionId}:
get:
tags:
- ""
summary: "Retrieve information about specific MTS session"
description: "Retrieves information about an individual MTS session. Typically used in the 'Get configured MTS Session Info from the MTS Service' procedure as described in clause 6.2.10."
operationId: "mtsSessionGET"
parameters:
- $ref: '#/components/parameters/Path.sessionId'
responses:
200:
description: "Used to indicate nonspecific success. The response body contains a representation of the resource."
content:
application/json:
schema:
type: object
properties:
mtsSessionInfo:
$ref: "#/components/schemas/MtsSessionInfo"
400:
$ref: "#/components/responses/400"
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
put:
tags:
- ""
summary: "Update the information about specific MTS session"
description: "Updates the information about an individual MTS session. As specified in ETSI GS MEC 009 [6], the PUT HTTP method has 'replace' semantics. "
operationId: "mtsSessionPUT"
parameters:
- $ref: '#/components/parameters/Path.sessionId'
requestBody:
description: "MtsSessionInfo with updated information is included as entity body of the request."
required: true
content:
application/json:
schema:
type: object
properties:
mtsSessionInfo:
$ref: '#/components/schemas/MtsSessionInfo'
responses:
200:
description: "Used to indicate nonspecific success. The response body contains a representation of the resource."
content:
application/json:
schema:
type: object
properties:
mtsSessionInfo:
$ref: "#/components/schemas/MtsSessionInfo"
400:
$ref: "#/components/responses/400"
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
412:
$ref: '#/components/responses/412'
delete:
tags:
- ""
summary: "Remove specific MTS session"
description: "DELETE method is typically used in 'Unregister from the MTS Service' procedure as described in clause 6.2.8."
operationId: "mtsSessionDELETE"
parameters:
- $ref: '#/components/parameters/Path.sessionId'
responses:
204:
$ref: '#/components/responses/204'
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
components:
responses:
204:
description: "Upon success, a response 204 No Content without any response body is returned."
400:
description: 'Bad Request : used to indicate that incorrect parameters were passed to the request.'
content:
application/json:
schema:
type: object
properties:
problemDetails:
$ref: '#/components/schemas/ProblemDetails'
403:
description: 'Forbidden : operation is not allowed given the current status of the resource.'
content:
application/json:
schema:
type: object
required:
- problemDetails
properties:
problemDetails:
$ref: '#/components/schemas/ProblemDetails'
404:
description: 'Not Found : used when a client provided a URI that cannot be mapped to a valid resource URI.'
content:
application/json:
schema:
type: object
properties:
problemDetails:
$ref: '#/components/schemas/ProblemDetails'
412:
description: 'Precondition failed : used when a condition has failed during conditional requests, e.g. when
using ETags to avoid write conflicts when using PUT'
content:
application/json:
schema:
type: object
properties:
problemDetails:
$ref: '#/components/schemas/ProblemDetails'
parameters:
Path.sessionId:
name: sessionId
in: "path"
description: "Represents a MTS session instance"
required: true
schema:
type: string
Query.app_instance_id:
name: app_instance_id
in: "query"
description: "A MEC application instance may use multiple app_instance_ids as an input parameter to query the MTS session of a list of MEC application instances. See note."
required: false
schema:
type: array
items:
type: string
Query.app_name:
name: app_name
in: "query"
description: "A MEC application instance may use multiple app_names as an input parameter to query the MTS session of a list of MEC application instances. See note."
required: false
schema:
type: array
items:
type: string
Query.session_id:
name: session_id
in: "query"
description: "A MEC application instance may use session_id as an input parameter to query the information of a list of MTS sessions. See note."
required: false
schema:
type: array
items:
type: string
schemas:
MtsCapabilityInfo:
properties:
mtsAccessInfo:
description: The information on access network connection as defined below
items:
type: object
properties:
accessId:
type: integer
format: uint32
description: Unique identifier for the access network connection
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Uint32
accessType:
type: integer
format: uint32
description: "Numeric value (0-255) corresponding to specific type of access network as following:
0 = Unknown
1 = Any IEEE802.11-based WLAN technology
2 = Any 3GPP-based Cellular technology
3 = Any Fixed Access
11 = IEEE802.11 a/b/g WLAN
12 = IEEE 802.11 a/b/g/n WLAN
13 = IEEE 802.11 a/b/g/n/ac WLAN
14 = IEEE 802.11 a/b/g/n/ac/ax WLAN (Wi-Fi 6)
15 = IEEE 802.11 b/g/n WLAN
31 = 3GPP GERAN/UTRA (2G/3G)
32 = 3GPP E-UTRA (4G/LTE)
33 = 3GPP NR (5G)"
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Uint32
metered:
type: integer
format: uint32
description: 'Numeric value (0-255) corresponding to the following:
0: the connection is not metered (see note)
1: the connection is metered
2: unknown '
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Uint32
required:
- accessId
- accessType
- metered
minItems: 1
type: array
x-etsi-mec-cardinality: 1..N
x-etsi-mec-origin-type: Structure (inlined)
mtsMode:
description: 'Numeric value corresponding to a specific MTS operation supported by the TMS
0 = low cost, i.e. using the unmetered access network connection whenever it is available
1 = low latency, i.e. using the access network connection with lower latency
2 = high throughput, i.e. using the access network connection with higher throughput, or/and multiple access network connection simultaneously if supported
3 = redundancy, i.e. sending duplicated (redundancy) packets over multiple access network connections for highreliability and low-latency applications
4 = QoS, i.e. performing MTS based on the specific QoS requirements from the app'
items:
type: integer
format: uint32
minItems: 1
type: array
x-etsi-mec-cardinality: 1..N
x-etsi-mec-origin-type: Uint32
timeStamp:
description: Time stamp to indicate when the corresponding information elements are sent
properties:
nanoSeconds:
type: integer
format: uint32
description: Time in nanoseconds in Unix-time since January 1, 1970, 00:00:00 UTC
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Uint32
seconds:
type: integer
format: uint32
description: Time in seconds in Unix-time since January 1, 1970, 00:00:00 UTC
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Uint32
required:
- seconds
- nanoSeconds
type: object
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Structure (inlined)
required:
- mtsAccessInfo
- mtsMode
type: object
x-etsi-notes: "NOTE:\tA metered connection is a network connection that has\
\ a maximum data usage in a specific period, e.g. per hour/day/week/month.\
\ The user may get billed extra charges if they go over the allotted amount."
x-etsi-ref: 7.2.4
MtsSessionInfo:
properties:
appInsId:
description: Application instance identifier
type: string
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: String
flowFilter:
description: Traffic flow filtering criteria, applicable only if when requestType is set as FLOW_SPECIFIC_MTS_SESSION. Any filtering criteria shall define a single session only. In case multiple sessions match flowFilter the request shall be rejected. If the flowFilter field is included, at least one of its subfields shall be included. Any flowFilter subfield that is not included shall be ignored in traffic flow filtering
items:
type: object
properties:
dscp:
type: integer
format: uint32
description: DSCP in the IPv4 header or Traffic Class in the IPv6 header
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
dstIp:
description: Destination address identity of session (including range)
type: string
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: String
dstPort:
description: Destination port identity of session
items:
type: integer
format: uint32
minItems: 0
type: array
x-etsi-mec-cardinality: 0..N
x-etsi-mec-origin-type: Uint32
flowlabel:
type: integer
format: uint32
description: Flow Label in the IPv6 header, applicable only if the flow is IPv6
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
protocol:
type: integer
format: uint32
description: Protocol number
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
sourceIp:
description: Source address identity of session (including range)
type: string
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: String
sourcePort:
description: Source port identity of session
items:
type: integer
format: uint32
minItems: 0
type: array
x-etsi-mec-cardinality: 0..N
x-etsi-mec-origin-type: Uint32
minItems: 1
type: array
x-etsi-mec-cardinality: 1..N
x-etsi-mec-origin-type: Structure (inlined)
mtsMode:
type: integer
format: uint32
description: 'Numeric value (0 - 255) corresponding to a specific MTS mode of the MTS session:
0 = low cost, i.e. using the unmetered access network connection whenever it is available
1 = low latency, i.e. using the access network connection with lower latency
2 = high throughput, i.e. using the access network connection with higher throughput, or multiple access network connection simultaneously
3 = redundancy, i.e. sending duplicated (redundancy) packets over multiple access network connections for high-reliability and low-latency applications
4 = QoS, i.e. performing MTS based on the QoS requirement (qosD)'
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Uint32
qosD:
description: QoS requirement description of the MTS session, applicable only if mtsMode = 4 (QoS). If the qosD field is included, at least one of its subfields shall be included. Any qosD subfield that is not included shall be ignored in Multi-access Traffic Steering (MTS)
properties:
maxJitter:
description: tolerable jitter in [10 nanoseconds]
type: integer
format: uint32
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
maxLatency:
description: tolerable (one-way) delay in [10 nanoseconds]
type: integer
format: uint32
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
maxLoss:
description: tolerable packet loss rate in [1/10^x]
type: integer
format: uint32
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
minTpt:
description: minimal throughput in [kbps]
type: integer
format: uint32
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
priority:
description: "numeric value (0 - 255) corresponding to the traffic priority 0: low; 1: medium; 2: high; 3: critical"
type: integer
format: uint32
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
type: object
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Structure
requestType:
description: 'Numeric value (0 - 255) corresponding to specific type of consumer as following:
0 = APPLICATION_SPECIFIC_MTS_SESSION
1 = FLOW_SPECIFIC_MTS_SESSION'
enum:
- 0
- 1
type: integer
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Enum_inlined
timeStamp:
description: 'Time stamp to indicate when the corresponding information elements are sent '
properties:
nanoSeconds:
type: integer
format: uint32
description: The nanoseconds part of the Time. Time is defined as Unix-time since January 1, 1970, 00:00:00 UTC
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Uint32
seconds:
type: integer
format: uint32
description: The seconds part of the Time. Time is defined as Unixtime since January 1, 1970, 00:00:00 UTC
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: Uint32
required:
- seconds
- nanoSeconds
type: object
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Structure (inlined)
trafficDirection:
description: 'The direction of the requested MTS session:
00 = Downlink (towards the UE)
01 = Uplink (towards the application/session)
10 = Symmetrical (see note) '
type: string
x-etsi-mec-cardinality: '1'
x-etsi-mec-origin-type: String
required:
- appInsId
- requestType
- flowFilter
- qosD
- mtsMode
- trafficDirection
type: object
x-etsi-notes: "NOTE:\tFor the downlink direction of a symmetrical flow, \"sourceIp\"\
\ and \"sourcePort\" in the \"flowFilter\" structure are used for source address\
\ and port, respectively; \"dstIp\" and \"dstPort\" are used for destination\
\ address and port, respectively. For the uplink direction of a symmetrical\
\ flow, \"sourceIp\" and \"sourcePort\" are used for destination address and\
\ port, respectively; \"dstIp\" and \"dstPort\" are used for source address\
\ and port, respectively."
x-etsi-ref: 7.2.5
ProblemDetails:
properties:
detail:
description: A human-readable explanation specific to this occurrence of the problem
type: string
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: String
instance:
description: A URI reference that identifies the specific occurrence of the problem
format: uri
type: string
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: URI
status:
description: The HTTP status code for this occurrence of the problem
format: uint32
type: integer
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: Uint32
title:
description: A short, human-readable summary of the problem type
type: string
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: String
type:
description: A URI reference according to IETF RFC 3986 that identifies the problem type
format: uri
type: string
x-etsi-mec-cardinality: 0..1
x-etsi-mec-origin-type: URI
type: object