Crystal Vision
Traffic Shaping Profile
M-VIVID User Manual R1.3
28
18 August 2022
8 Traffic Shaping Profile
8.1 Traffic Shaping Profiles
SMPTE ST 2022 transmits using a narrow linear profile, with all packets evenly spaced
throughout the duration of each entire traditional corresponding SDI video frame.
SMPTE ST 2110-20 supports both narrow linear (TPNL) and narrow gapped (TPN)
transmission. As per SMPTE ST 2022 transmission, TPNL transmits the packets evenly
spaced throughout the duration of each entire video frame, but starting one line after the first
Start-of-Frame (SOF) VANC period. TPN, however, does not transmit packets during the VBI
or VANC period of the traditional corresponding SDI video frame.
For both SMPTE ST 2022 and ST 2110-20 protocols it is possible to ‘burst’ the packets out as
fast as possible, using the ‘Burst rate limit’ control to determine the maximum bandwidth the
burst traffic will limit to.
Traffic Shaping Profile