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time aware shaper (802.1Qbv) (TAS)

The basic principle of Time-Sensitive Networking(TSN) is based on the TAS method, Time Aware Shaper (TAS), and guarantees minimum transmission latency or real-time synchronization via the Precision Time Protocol( PTP).

Switches with TAS functionality divide the data traffic according to priorities into several queues that are processed according to a global schedule. In the process, frames are divided into classes by VLAN tagging and time-critical classes are prioritized.

The queues are controlled by their owntransmission gates. If a transmission gate opens, this means that the other transmission gates are closed. The corresponding queue is then switched through as data traffic.

Englisch: time aware shaper (802.1Qbv) - TAS
Updated at: 22.05.2020
#Words: 97
Links: time-sensitive networking (802.1) (TSN), telephony application server (TAS), method, transmission, latency
Translations: DE

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