Page 20 - Methodology for measurement of Quality of Service (QoS) Key Performance Performance Indicators (KPIs) for Digital Financial Services

5 END TO END DFS KPIS 5.3 Money Transfer Completion Time (MTCT)
5.3.1 Functional description
5.1 KPI abbreviations and reference Time to complete a money transfer.
The Table 5-1 below is a quick-reference index between
KPI abbreviations, basic types, and the respective KPI 5.3.2 Formal definition
definitions. Using the primary success definition, i.e. the summariz-
The abbreviation is given for easier reference; it also ing SMS are not considered.
provides a way to add the actual test case type descrip- This value is determined from the time between the
tion in a similar way as in other KPI definitions. For ease activation of the used case until the completion of the
of reading—because the present document only deals transfer as indicated by the primary success indicator; it
with the P2P MoMo case—the core abbreviation is used.
is therefore only valid for a successful transaction.
Full abbreviation: DFS-<Test case type>-<KPI abbrevi- As the overall time contains human interaction, the
ation> technical definition excludes such times, but adds a typ-
ical time assumed to express the respective portion of
Example: DFS-P2P MoMo-MTCR
the use case.
All definitions are using the trigger point codes defined
in clause 4.2. MTCT = T(AE_104, AE_300) – MTHI + TTHI
MTHI stands for the measured and TTHI for the (as-
5.2 Money Transfer Completion Rate (MTCR)
sumed) typical time for all human interaction in this use
5.2.1 Functional description case.
Probability that a money transfer can be completed The meaning of this expression is “take the measured
successfully. overall duration of the transaction, eliminate times
caused by actual human interaction (which can vary
5.2.2 Formal definition from instance to instance) and replace them by a gener-
alized (typical) value).
MTCR = ratio between the number of successful in- The special case TTHI=0 stands for the ideal (prac-
stances of the use case, and all valid attempts to per- tically unreachable) case where data is entered so fast
form the use case.
that the duration becomes negligible.
With AA_100 as indicator for a valid attempt (successful
activation of the DFS function) and AE_300 as success 5.3.3 Specific definition
indicator, the expression becomes (see Expressions) MHTI can be expressed in terms of trigger point time-
stamps as follows:
MTCR = R (AE_300, AA_100)
MHTI = T(AE_t04, AA_108) – T(AE_112, AE_116) – AE(120,
5.2.3 Specific definition AA_124) – T(AE_128,AA,_132) – T(AE_136,AA_140) – T(AE_
Using the primary success definition, i.e. the summariz- 144,AA_148)-T(AE_152,AA_156)-T(AE_160,AA_164)
ing SMS are not considered.

TABLE 5-1: KPI abbreviations and full names
ABBREVIATION TYPE REFERENCE
MTCR Rate/Probability Money Transfer completion rate
MTCT Time Money Transfer completion time
MTFPR Rate/Probability Money Transfer False Positive Rate
MTFNR Rate/Probability Money Transfer False Negative Rate
MTFTRR Rate/Probability Money Transfer Failed Transaction Resolution Rate
MTASSR Rate/Probability Money Transfer Account Stabilization Success Rate
MTAST Time Money Transfer Account Stabilization Time
MTLR Rate/Probability Money Transfer Loss Rate
MTDR Rate/Probability Money Transfer Duplication Rate

18 • Methodology for measurement of Quality of Service (QoS) Key Performance Indicators (KPIs) for Digital Financial Services