E2 Manager R3 Interface Design

1

Accept

YES

Specifies the format of the response message body. 

Structured text message payloads are required to support application/json.  No other format is permitted.  As they are the only supported format, the accept header is not relevant for those requests.

2

Content-type

 YES

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

1

X2 Setup Request Message

/v#/nodeb/x2-setup

POST

2

ENDC Setup Request Message

/v#/nodeb/endc-setup

POST

3

Health Check

/v#/health

GET

4

Get nodeb data

/v#/nodeb/<ranName>

GET

5

Shut Down

/v#/nodeb/shutdown

PUT

6

Get All nodeb

/v#/nodeb/ids

GET

7

Reset nodeb

/v#/nodeb/<ranName>/reset *

PUT

8

Get All E2T

/v#/e2t/list

GET

1

errorCode

YES

Code which identifies the error

2

errorMessage

YES

Human readable text

202 Accepted

510

No E2T Instance available. 

The existing RAN can't associated with any available E2T Instance. When E2T will be identified, this RAN will be served.

511

No Routing Manager Available

Currently there is connectivity to the Routing Manager. E2M will try later.

400 Bad Request

401

corrupted json

Can't parse the payload of the body

402

validation error

E.G: Mandatory fields are missing or invalid (The value isn't according expected); 

403 

Activity <activity name> rejected. RAN current state <state> does not allow its execution

E.G: Reset  request is sent when state isn't Connected

405

command already in progress

E.G: 2 parallel Red Button were sent

404 Not Found

If the resource name doesn't exist (e.g.: nodec instead of nodeb) - the system returns HTTP Error 404  with "404 page not found" text.

404

resource not found

The classic 404 - Resource ID  doesn't exist in the system

415 Unsupported Media Type

415

Header validation error

In case there is a body  and header  application/json is missing - error.

500 Internal Server Error

500

RNIB error

501

Internal Server Error. Please try again later

502

RMR error

503 Service Unavailable

510

No E2T Instance available. 

The New RAN can't be added, please try later.

511

No Routing Manager Available

The New RAN can't be added, please try later.

X2 / ENDC Setup

POST

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Shut Down

PUT

Yes

Yes

Yes

Yes

Yes

Reset nodeb

PUT

Yes

Yes

Yes

 Yes

Yes

Yes

Yes

Yes

Get nodeb

GET

 Yes

Yes

Yes

Get All nodeb

GET

Yes

Yes

Get All E2T

GET

Yes

Yes

1

Connection Status

UNKNOWN_CONNECTION_STATUS = 0;

CONNECTED = 1;

DISCONNECTED  = 2;

CONNECTED_SETUP_FAILED = 3;

CONNECTING = 4;

SHUTTING_DOWN = 5;

SHUT_DOWN = 6;

2

Failure Type

UNKNOWN_TYPE = 0;
X2_SETUP_FAILURE = 1;
ENDC_X2_SETUP_FAILURE = 2;

3

Node Type

UNKNOWN = 0;
ENB = 1;
GNB = 2;

4

Radio Network Layer Cause

UNKNOWN = 0;

HANDOVER_DESIRABLE_FOR_RADIO_REASONS = 1;

TIME_CRITICAL_HANDOVER = 2;

RESOURCE_OPTIMISATION_HANDOVER = 3;

REDUCE_LOAD_IN_SERVING_CELL = 4;

PARTIAL_HANDOVER = 5;

UNKNOWN_NEW_ENB_UE_X2AP_ID = 6;

UNKNOWN_OLD_ENBME_UE_X2AP_ID = 7;

UNKNOWN_PAIR_OF_UE_X2AP_ID = 8;

HO_TARGET_NOT_ALLOWED = 9;

TX2_RELOC_OVERALL_EXPIRY = 10;

T_RELOC_PREP_EXPIRY = 11;

CELL_NOT_AVAILABLE = 12;

NO_RADIO_RESOURCES_AVAILABLE_IN_TARGET_CELL = 13;

INVALID_MME_GROUP_ID = 14;

UNKNOWN_MME_CODE = 15;

ENCRYPTION_INTEGRITY_PROTECTION_ALGORITHMS_NOT_SUPPORTED = 16;

REPORT_CHARACTERISTICS_EMPTY = 17;

NO_REPORT_PERIODICITY = 18;

EXISTING_MEASUREMENT_ID = 19;

UNKNOWN_ENB_MEASUREMENT_ID = 20;

MEASUREMENT_TEMPORARILY_NOT_AVAILABLE = 21;

UNSPECIFIED = 22;

LOAD_BALANCING = 23;

HANDOVER_OPTIMISATION = 24;

VALUE_OUT_OF_ALLOWED_RANGE = 25;

MULTIPLE_E_RAB_ID_INSTANCES = 26;

SWITCH_OFF_ONGOING = 27;

NOT_SUPPORTED_QCI_VALUE = 28;

MEASUREMENT_NOT_SUPPORTED_FOR_THE_OBJECT = 29;

TDC_OVERALL_EXPIRY = 30;

TDC_PREP_EXPIRY = 31;

ACTION_DESIRABLE_FOR_RADIO_REASONS = 32;

REDUCE_LOAD = 33;

RESOURCE_OPTIMISATION = 34;

TIME_CRITICAL_ACTION = 35;

TARGET_NOT_ALLOWED = 36;

NO_RADIO_RESOURCES_AVAILABLE = 37;

INVALID_QOS_COMBINATION = 38;

ENCRYPTION_ALGORITHMS_NOT_SUPPORTED = 39;

PROCEDURE_CANCELLED = 40;

RRM_PURPOSE = 41;

IMPROVE_USER_BIT_RATE = 42;

USER_INACTIVITY = 43;

RADIO_CONNECTION_WITH_UE_LOST = 44;

FAILURE_IN_THE_RADIO_INTERFACE_PROCEDURE = 45;

BEARER_OPTION_NOT_SUPPORTED = 46;

MCG_MOBILITY = 47;

SCG_MOBILITY = 48;

COUNT_REACHES_MAX_VALUE = 49;

UNKNOWN_OLD_EN_GNB_UE_X2AP_ID = 50;

PDCP_OVERLOAD = 51;

5

Transport Layer Cause

UNKNOWN = 0;

TRANSPORT_RESOURCE_UNAVAILABLE = 1;

UNSPECIFIED = 2;

6

Protocol Cause

UNKNOWN = 0;

TRANSFER_SYNTAX_ERROR =  1;

ABSTRACT_SYNTAX_ERROR_REJECT =  2;

ABSTRACT_SYNTAX_ERROR_IGNORE_AND_NOTIFY =  3;

MESSAGE_NOT_COMPATIBLE_WITH_RECEIVER_STATE =  4;

SEMANTIC_ERROR =  5;

UNSPECIFIED =  6;

ABSTRACT_SYNTAX_ERROR_FALSELY_CONSTRUCTED_MESSAGE =  7;

7

Miscellaneous Cause

UNKNOWN = 0;

CONTROL_PROCESSING_OVERLOAD =  1;

HARDWARE_FAILURE =  2;

OM_INTERVENTION =  3;

NOT_ENOUGH_USER_PLANE_PROCESSING_RESOURCES =  4;

UNSPECIFIED =  5;

8

Time To Wait

UNKNOWN_TIMEOUT = 0;

V1S = 1;

V2S = 2;

V5S = 3;

V10S = 4;

V20S = 5;

V60S = 6;

9

Type Of Error