IEEE 802.1Qbu-2016 PDF
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IEEE Standard for Local and metropolitan area networks — Bridges and Bridged Networks — Amendment 26: Frame Preemption
IEEE , 08/30/2016
File Format: PDF
- Description
Description
IEEE 802.1Qbu-2016 PDF
This amendment specifies procedures, managed objects, and protocol extensions that: – Define a class of service for time-critical frames that requests the transmitter in a bridged Local Area Network to suspend the transmission of a non-time-critical frame, and allow for one or more time-critical frames to be transmitted. When the time-critical frames have been transmitted, the transmission of the preempted frame is resumed. A non-time-critical frame could be preempted multiple times. – Provide for discovery, configuration, and control of preemption service for a bridge port and end station. – Ensure that preemption is only enabled on a given link if both link partners have that capability.
The purpose of this amendment is to provide reduced latency transmission for scheduled, time-critical frames in a bridged LAN.
Amendment Standard – Superseded. Enhancements to the forwarding process that support frame preemption are provided in this amendment to IEEE Std 802.1Q-2014.
