PTPv2, as defined by IEEE1588, stands for nanosecond time synchronisation. PTP is widely used in the telecom, trading, broadcast and media industries. This talk is about WANs and the delivery of PTP for the broadcast industry. What are the challenges in ensuring that there are no timing errors and as little jitter as possible at the endpoints? How can it be secured and why would it be great if ISPs offered PTP as a service to end users.