US Patent 10158442 Reliable precision time architecture

Provided are systems and methods for a reliable precision time architecture in a network. In various implementations, the network can be configured with a first time synchronization tree, the first time synchronization tree providing a first network time to network devices in the network. Each network device can further synchronize to the first network time. The network can further be configured with a second time synchronization tree. The second time synchronization tree can provide a second network time to the network devices on the network. The network devices can also synchronize to the second network time. The network devices can further be configured to use the first network time as a current time.