https://paul-fleischmann.com/en/tags/gptp/Recent content in GPTP on Paul FleischmannHugoenWed, 15 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-ieee-8021as-gptp-timestamping/Thu, 09 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-ieee-8021as-gptp-timestamping/How IEEE 802.1AS (gPTP) distributes time across the vehicle network, why timestamp accuracy is decided inside the PHY chip, and how EthTrcv, Eth, EthTSyn, and StbM work together to deliver it.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-global-time-uhrensynchronisation/Wed, 15 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-global-time-uhrensynchronisation/How EthSwt provides port-specific hardware timestamps for EthTSyn, and how cascaded switches synchronize their internal clocks over uplink ports to avoid separate path-delay measurement.