PTP is critical infrastructure, and when it is set up wrong the problems that follow are painful to track down. Steve Kolta of Meinberg covers twelve best practices — call them the commandments of PTP deployment — for getting precision timing right the first time across multi-vendor ST 2110, AES67, RAVENNA, and IPMX environments. Each one comes from real projects, so you will leave with a checklist you can apply directly to your own facility.