ARBB entry for HPR trace option
- Entry:
- ARBB
- VIT option:
- HPR
- Event:
- All RTP connections using Responsive Mode ARB and ARBB active.
- VIT processing module:
- ISTITCHA
- Control is returned to:
- The module that issued the INTRACE macro.
This trace record is written when RTP connections are using Responsive Mode ARB and ARBB option is active. The trace record has six instances included as follows.
Instance 1:
- Byte (hex)
- Contents
- 00–03
- Record ID: C"ARBB"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06
- Trace instance
- 07
- 0
- 08
- ARB rate status (MRP_NLH_RATE)
- 09
- Rate of last ARB measurement sent (ARB_LAST_RATE)
- 0A–0B
- 0
- 0C–0F
- Delay Change Sum (DCS) — accumulated network delay in milliseconds (ARB_ACCUM_QTIME)
- 10–13
- Current delay change (ARBLV_CURR_QTIME)
- 14–17
- Elapsed time in milliseconds since the last ARB rate request (ARBLV_ETIME_IN_MS)
- 18–1B
- ARB request sender's measurement interval (SMI) in microseconds (THD_ARB_CURR_MEASURE_INT)
- 1C–1F
- RPNCB address
Instance 2:
- Byte (hex)
- Contents
- 00–03
- Record ID: C"ARBB"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06
- Trace instance
- 07
- 0
- 08
- MRP_RCV_RATE_STAT
- 09
- Rate of last ARB measurement sent (ARB_LAST_RATE)
- 0A–0B
- 0
- 0C–0F
- Delay Change Sum (DCS) — accumulated network delay in milliseconds (ARB_ACCUM_QTIME)
- 10–13
- DCS boundary in milliseconds dividing region 1 and 2 (ARB_GREEN_THRESHOLD)
- 14–17
- DCS boundary in milliseconds dividing region 2 and 3 (ARB_MAX_QTIME_RETN )
- 18–1B
- DCS boundary in milliseconds dividing region 3 and 4 (ARB_MAX_QTIME_RETN * ACM_UPPER_LIM)
- 1C–1F
- RPNCB address
Note: The following ARB rate replies are returned
to the sender of the ARB rate request depending on the region in
which the DCS lies:
| DCS in region | Rate reply returned | |
|---|---|---|
| 1 | NORMAL | |
| 2 | RESTRAINT | |
| 3 | SLOWDOWN 1 or SLOWDOWN 2 | |
| 4 | RESTRAINT |
Instance 3:
- Byte (hex)
- Contents
- 00–03
- Record ID: C"ARBB"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06
- Trace instance
- 07
- ARB flags passed on the ARB segment (THD_ARB_FLAGS)
- 08
- Indicates size of rate cut for a SLOWDOWN (send_rate = send_rate — (send_rate / acm_cut_rate)) (ACM_CUT_RATE)
- 09
- Flag values used for ARB processing (ARB_FLAGS)
- 0A–0B
- 0
- 0C–0F
- ARB allowed sending rate in kbps (ARB_ALLOW_SEND_RATE)
- 10–13
- Current increment value for allowed send rate in kbps (ARB_CURR_RATE_INC)
- 14–17
- Number of consecutive sending rate increments (ARB_INC_TREND)
- 18–1B
- Number of consecutive sending rate decrements (ARB_DEC_TREND)
- 1C–1F
- RPNCB address
Instance 4:
- Byte (hex)
- Contents
- 00–03
- Record ID: C"ARBB"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06
- Trace instance
- 07
- 0
- 08
- Flag values used for ARB processing (ARB_FLAGS)
- 09
- 0
- 0A–0B
- 0
- 0C–0F
- Flag values used for ARB processing in kbps (ARB_CURR_RATE_INC)
- 10–13
- Number of consecutive sending rate increments (ARB_INC_TREND)
- 14–17
- Number of consecutive sending rate decrements (ARB_DEC_TREND)
- 18–1B
- Receiving rate of the sender in kbps (THD_ARB_REC_RATE)
- 1C–1F
- RPNCB address
Instance 5:
- Byte (hex)
- Contents
- 00–03
- Record ID: C"ARBB"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06
- Trace instance
- 07
- 0
- 08–0B
- ARB allowed sending rate in kbps (ARB_ALLOW_SEND_RATE)
- 0C–0F
- Maximum burst time allowed in milliseconds (ARB_BT_MAX)
- 10–13
- Minimum burst time allowed in milliseconds (ARB_BT_MIN)
- 14–17
- Minimum increment value for allowed send rate in kbps (ARB_MIN_RATE_INC)
- 18–1B
- Shared link rate in kbps (ARB_MAX_SEND_RATE)
- 1C–1F
- RPNCB address
Instance 6:
- Byte (hex)
- Contents
- 00–03
- Record ID: C"ARBB"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06
- Trace instance
- 07
- 0
- 08–0B
- Smoothed Round Trip Time in milliseconds (RPN_SRTTs)
- 0C–0F
- Short Request timer in milliseconds (RPN_SHORT_REQ_T)
- 10–13
- Counter for adjustment of Base ARB measurement interval (ARB_TIME_ADJUST_M_INT)
- 14–17
- Interval in milliseconds for ARB measurement requests (ARB_MEASURE_INT)
- 18–1B
- 0
- 1C–1F
- RPNCB address