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Star topology in use in a network. A star network is an implementation of a spoke–hub distribution paradigm in computer networks. In a star network, every host is connected to a central hub. In its simplest form, one central hub acts as a conduit to transmit messages. [1] The star network is one of the most common computer network topologies.
A physical extended star topology in which repeaters are replaced with hubs or switches is a type of hybrid network topology and is referred to as a physical hierarchical star topology, although some texts make no distinction between the two topologies. A physical hierarchical star topology can also be referred as a tier-star topology.
The physical network topology can be directly represented in a network diagram, as it is simply the physical graph represented by the diagrams, with network nodes as vertices and connections as undirected or direct edges (depending on the type of connection). [3]
The star topology is the most common in contemporary times. Wireless LAN (WLAN) also has its topologies: independent basic service set (IBSS, an ad-hoc network ) where each node connects directly to each other (this is also standardized as Wi-Fi Direct ), or basic service set (BSS, an infrastructure network that uses an wireless access point ).
For a network of n nodes, only n − 1 routes are necessary to connect all nodes so the upper bound is n − 1, and the complexity is O(n). That compares favourably to the () routes, or O(n 2), which would be required to connect each node to every other node in a point-to-point network. For example, in a system with 6 destinations, the spoke ...
The star network, a computer network modeled after the star graph, is important in distributed computing. A geometric realization of the star graph, formed by identifying the edges with intervals of some fixed length, is used as a local model of curves in tropical geometry. A tropical curve is defined to be a metric space that is locally ...
A star topology, using a central uplink site, such as a network operations center (NOC), to transport data back and forth to each VSAT via satellite, A mesh topology, where each VSAT relays data via satellite to another terminal by acting as a hub, minimizing the need for a centralized uplink site, A combination of both star and mesh topologies.
Tree network topology 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.
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