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IEEE 802.1Q, often referred to as Dot1q, is the networking standard that supports virtual local area networking (VLANs) on an IEEE 802.3 Ethernet network. The standard defines a system of VLAN tagging for Ethernet frames and the accompanying procedures to be used by bridges and switches in handling such frames.
The new protocol and applications fixed a problem with the old GARP-based GVRP-based system, where a simple registration or a failover could take an extremely long time to converge on a large network, [2] incurring a significant bandwidth degradation. It is expected GARP will be removed from IEEE 802.1D at some point in the future. [3]
IEEE 802.1 is a working group of the IEEE 802 project of the IEEE Standards Association.. It is concerned with: [1] 802 LAN/MAN architecture; internetworking among 802 LANs, MANs and wide area networks
IEEE 802.1BA-2011: Audio Video Bridging (AVB) Systems: Superseded by IEEE 802.1BA-2021: 30 September 2011 IEEE 802.1Qav-2009: Forwarding and Queuing Enhancements for Time-Sensitive Streams (FQTSS) Incorporated into IEEE 802.1Q-2011 Clause 34: 5 January 2010 IEEE 802.1Qat-2010: Stream Reservation Protocol (SRP) Incorporated into IEEE 802.1Q-2011 ...
IEEE 802 is a family of Institute of Electrical and Electronics Engineers (IEEE) standards for local area networks (LANs), personal area networks (PANs), and metropolitan area networks (MANs). The IEEE 802 LAN/MAN Standards Committee (LMSC) maintains these standards.
With ISL, an Ethernet frame is encapsulated with a header that transports VLAN IDs between switches and routers. With IEEE 802.1Q the tag is internal. This is a key advantage for IEEE 802.1Q as it means tagged frames can be sent over standard Ethernet links. ISL does add overhead to the frame as a 26-byte header containing a 10-bit VLAN ID.
In contrast to standard Ethernet according to IEEE 802.3 and Ethernet bridging according to IEEE 802.1Q, time is very important in TSN networks.For real-time communication with hard, non-negotiable time boundaries for end-to-end transmission latencies, all devices in this network need to have a common time reference and therefore, need to synchronize their clocks among each other.
Operating system Wi-Fi support is defined as the facilities an operating system may include for Wi-Fi networking. It usually consists of two pieces of software: device drivers, and applications for configuration and management. [1] Driver support is typically provided by manufacturers of the chipset hardware or end manufacturers.