TxNiddT8DlDataPostFailure

Measurement ID

13018

Measurement Group

SCEF NIDD Exception

Measurement Type

Simple

Measurement Dimension

Arrayed on SCS Application Server

Description

The number of T8 NIDD new Downlink Data requests for which a failure was returned by SCEF application in the given collection interval.

Collection Interval

30 min

Peg Condition

This measurement is incremented each time an HTTP POST request message with NIDD Downlink Data Delivery resource is responded with a non-2xx response code by SCEF application.

Measurement Scope

Network Element, Place Association

Recovery

1. The response message may contain an application/problem+json body describing the details of the problem encountered that failed the request.
   Possible causes may be:

   • The requested NIDD configuration (identifier by the SCS Application Server ID and the Configuration ID) was not found in the SCEF database.
   • A PDN connection is not available to deliver the downlink data and the PDN Establishment Option is disabled or set to INDICATE_ERROR by the SCS Application Server.
   • The UE is not available and the Data Buffering option is disabled or not requested by the SCS Application Server.
   • The data packet size exceeds the maximum bufferable packet size.
   • The data needs to be buffered but the UE’s downlink data queue is full.
   • The data needs to be buffered but the packet size exceeds the maximum bufferable packet size.
   • The Downlink APN Rate limit has been reached.
   • The Serving PLMN Rate limit has been reached.