back to referencesAVB/TSN Use Cases for Switches and Endpoints
Task:
Validation of AVB/TSN functionality based on requirements of specific automotive use cases. The tests are closely related to IEEE 802.1AS and IEEE1722 Standards.Content:
AVB Use Cases for gPTP
- 2-Step clock synchronization (via external endpoints with PPS output)
- Consistency of 802.1AS protocol
- Sync/Follow_Up mechanism
- Pdelay mechanism
- Sync interval verification
- Pdelay_Req interval verification
- gPTP protocol format consistency according to Automotive gPTP
- Clock drift
- Long-term delta difference between egress timestamps and PTP time
- Distortion of sync frames
- Short-term delta difference between egress timestamps and PTP time
AVB Use Cases for 1722
- Timing and synchronization
- Conformance of 1722 protocol
- Shaping
- Data consistency
Result:
Efficient and custom-tailored test concept for AVB/TSN on component level to verify the fulfillment of automotive requirements.
