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A bus network is a network topology in which nodes are directly connected to a common half-duplex link called a bus. [1] [2] A conceptual diagram of a local area network using bus topology. A host on a bus network is called a station. In a bus network, every station will receive all network traffic, and the traffic generated by each station has ...
A network's logical topology is not necessarily the same as its physical topology. For example, the original twisted pair Ethernet using repeater hubs was a logical bus topology carried on a physical star topology. Token Ring is a logical ring topology, but is wired as a physical star from the media access unit.
CAN (Controller Area Network), LIN (Local Interconnect Network) and other automotive OBD standards are not suitable because they are too slow to carry video. FlexRay , also an automotive bus standard, though faster than CAN, is intended for timing critical applications such as drive by wire rather than media.
Shared bus Shared bus network This network topology involves connection of the nodes with each other over a bus. Every node communicates with every other node using the bus. The bus utility ensures that no data is sent to the wrong node. But, the bus traffic is an important parameter which can affect the system.
A tree topology, or star-bus topology, is a hybrid network topology in which star networks are interconnected via bus networks. [ 1 ] [ 2 ] Tree networks are hierarchical, and each node can have an arbitrary number of child nodes.
The Token bus protocol was created to combine the benefits of a physical bus network with the deterministic access protocol of a Token Ring network. [ 3 ] [ dubious – discuss ] IEEE 802.4
A DMX512 network employs a multi-drop bus topology with nodes strung together in what is commonly called a daisy chain. A network consists of a single DMX512 controller – which is the master of the network — and one or more slave devices.
A Bus Monitor (BM) cannot transmit messages over the data bus. Its primary role is to monitor and record bus transactions, without interfering with the operation of the Bus Controller or the RTs. These recorded bus transactions can then be stored, for later off-line analysis. Ideally, a BM captures and records all messages sent over the 1553 ...