7 List of system parameters

24.1933GPPAccess Traffic Steering, Switching and SplittingRelease 17Stage 3TS

7.1 General

The description of timers in the tables of clause 7 should be considered a brief summary. The precise details are found in clause 5, which should be considered the definitive descriptions.

7.2 Timers of performance measurement function (PMF) protocol (PMFP)

Timers of PMFP are shown in table 7.2-1 and table 7.2-2.

Table 7.2-1: Timers of PMFP – UE side

TIMER NUM.

TIMER VALUE

CAUSE OF START

NORMAL STOP

ON

THE

1st, 2nd, 3rd, 4th EXPIRY (NOTE 1)

T101

1s

Transmission of the first PMFP ECHO REQUEST message

A PMFP ECHO RESPONSE message received for each sent PMFP ECHO REQUEST message

Abort of the procedure.

T102

NOTE 2

Transmission of PMFP ACCESS REPORT message

PMFP ACKNOWLEDGEMENT message with the same EPTI is received

Retransmission of PMFP ACCESS REPORT message

T103

1s

Transmission of PMFP PLR COUNT REQUEST message

PMFP PLR COUNT RESPONSE message with the same EPTI is received

Abort of the procedure.

T104

1s

Transmission of PMFP PLR REPORT REQUEST message

PMFP PLR REPORT RESPONSE message with the same EPTI is received

Abort of the procedure.

NOTE 1: Typically, the procedures are aborted on the fifth expiry of the relevant timer. Exceptions are described in the corresponding procedure description.

NOTE 2: Initial timer value is 500 milliseconds. The timer value doubles after each timer expiry, until set to 4 seconds.

Table 7.2-2: Timers of PMFP – UPF side

TIMER NUM.

TIMER VALUE

CAUSE OF START

NORMAL STOP

ON

THE

1st, 2nd, 3rd, 4th EXPIRY (NOTE 1)

T201

NOTE 2

Transmission of the first PMFP ECHO REQUEST message

A PMFP ECHO RESPONSE message received for each sent PMFP ECHO REQUEST message

Abort of the procedure.

T203

1s

Transmission of PMFP PLR COUNT REQUEST message

PMFP PLR COUNT RESPONSE message with the same EPTI is received

Abort of the procedure.

T204

1s

Transmission of PMFP PLR REPORT REQUEST message

PMFP PLR REPORT RESPONSE message with the same EPTI is received

Abort of the procedure.

NOTE 1: Typically, the procedures are aborted on the fifth expiry of the relevant timer. Exceptions are described in the corresponding procedure description.

NOTE 2: The value of this timer is network dependent.