Delay symmetry is a critical assumption in any two-way time transfer process. White Rabbit goes to extreme lengths to maintain that property. This includes man

Delay symmetry is a critical assumption in any two-way time transfer process. White Rabbit goes to extreme lengths to maintain that property. This includes mandating use of cables that share a single optical fiber, with specific wavelength pairs and fiber types so you can calibrate for unavoidable differences in propagation time. More info on their wiki: https://ohwr.org/projects/white-rabbit/wiki/SFP https://ohwr.org/projects/white-rabbit/wiki/SFP