Hello, everyone!
Today, I would like to continue on the novel features ot the IEEE 802.11aa amendment.
IEEE 802.1 AVB interoperability.
AVB stands for Audio Video Bridging, a collection of technical standards developed by IEEE to provide real-time streaming services with defined latency over IEEE 802 networks.
Figure 1: IEEE 802.1 Ethernet AVB Outline
This goal is met by defining techniques that allow multiple streams to be synchronized (IEEE 802.1AS) and traffic shaping (IEEE 802.1Qav), as well as reserving network resources for certain audio/video streams crossing a bridged local area network using the Stream Reservation Protocol (SRP) (IEEE 802.1Qat).
SRP operations and EDCA admission control processes are combined in IEEE 802.11aa.
SRP Request/Response packets are encased in management frames, which are utilized to transport traffic parameters and QoS requirements throughout admission control.
Even though one or more IEEE 802.11 links are part of a channel between the stream generators (IEEE 802.1Q talkers) and the stream consumers, this allows for end-to-end resource reservation for QoS assured streams (IEEE 802.1Q listeners).
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