Embrionix : Basics of PTP (and Boundary / Transparent clocks)
These documents from Embrionix explains the difference between transparent clock and boundary clock. It also explains that Boundary clock could scale easily compared to transparent clock. The first section is the definition of the precision time protocol (PTP) functionality, ST 2059-1 and ST 2059-2, transparent clock and boundary clock definition
Transparent versus Boundary clocks (PTP) in Broadcast environment:
https://www.embrionix.com/resource/transparent_boundary_clock_ST2059_in_broadcast
PTP Within A ST2110 Deployment:
https://www.embrionix.com/resource/PTPWithin_ST2110Deployment