About the author: Dr. Douglas Arnold has over 20 years experience developing precise time and frequency equipment and in network time transfer technology. He is currently a Principal Technologist with JTime! Meinberg USA. As part of this role … [Continue reading]
End-to-End Versus Peer-to-Peer

Five Minute Facts About Packet Timing By Doug Arnold. Which delay measurement mechanism is best for deploying IEEE 1588? Since I'm an engineer, the answer is, of course, it depends. The short answer is that the peer-to-peer delay … [Continue reading]
Why is IEEE 1588 so accurate?

Five Minute Facts About Packet Timing By Doug Arnold Why is IEEE 1588 so accurate? Two words: Hardware timestamping. That's it, really! Let me explain. The Precision Time Protocol, PTP, defined by IEEE 1588-2008 works by exchanging messages between … [Continue reading]