PTP (EN)
ProtocolNetwork protocol for synchronizing clocks in computer systems with microsecond accuracy
PTP Architecture
flowchart TD GM[Grandmaster] -->|Sync| OC1[Ordinary Clock 1] GM -->|Sync| OC2[Ordinary Clock 2] GM -->|Sync| BC[Boundary Clock] BC -->|Sync| OC3[Ordinary Clock 3] BC -->|Sync| OC4[Ordinary Clock 4] OC1 -.->|Delay Request| GM OC2 -.->|Delay Request| GM OC3 -.->|Delay Request| BC OC4 -.->|Delay Request| BC GM -->|Follow_Up| OC1 GM -->|Follow_Up| OC2 BC -->|Follow_Up| OC3 BC -->|Follow_Up| OC4
In Context
- Typically compared with NTP (Network Time Protocol)
- Related to: IEEE 1588, SyncE, TSN (Time Sensitive Networking)
- Example use: Industrial automation, telecommunications, financial trading