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The HomePlug AV (for audio-video) specification released in 2005 increased physical layer (PHY) peak data rates from approximately 13.0 Mbit/s [4] to 200 Mbit/s. The HomePlug Green PHY specification was released in June 2010 and targets Smart Energy and Smart Grid applications as an interoperable "sibling" to HomePlug AV with lower cost, lower ...
Audio Video Bridging (AVB) is a common name for a set of technical standards that provide improved synchronization, low latency, and reliability for switched Ethernet networks. [3] AVB embodies the following technologies and standards: IEEE 802.1AS-2011: Timing and Synchronization for Time-Sensitive Applications (gPTP);
New communication channels extended to low-frequency bands were added to the wavelet-based Nessum (New name of HD-PLC High Definition Power Line Communication) physical layer to address long-range and robust communication on these new media. The amendment also specified how to use IEEE Std 1588 precision time protocol (PTP) in IEEE 1901 networks.
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.
Network latency (link offset) is the time difference between the moment an audio stream enters the source (ingress time), marked by RTP timestamp in the media packet, and the moment it leaves the destination (egress time). Latency depends on packet time, propagation and queuing delays, packet processing overhead, and buffering in the ...
Network congestion in data networking and queueing theory is the reduced quality of service that occurs when a network node or link is carrying more data than it can handle. Typical effects include queueing delay , packet loss or the blocking of new connections.
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RTT is a measure of the amount of time taken for an entire message to be sent to a destination and for a reply to be sent back to the sender. The time to send the message to the destination in its entirety is known as the network latency, and thus RTT is twice the latency in the network plus a processing delay at the destination. The other ...