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A ring network is a network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node – a ring. Data travels from node to node, with each node along the way handling every packet.
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.
A ring R is a topological ring if its set of elements R is given a topology which makes the addition map (+:) and the multiplication map ⋅ : R × R → R to be both continuous as maps between topological spaces (where X × X inherits the product topology or any other product in the category).
Metro Ethernet uses a fibre optic ring as a Gigabit Ethernet MAN backbone within a larger city. The ring topology is implemented using Internet Protocol (IP) so that data can be rerouted if a link is congested or fails. [6] In the US the Sprint was an early adopter of fibre optic rings that routed IP packets on the MAN backbone.
In order to access the molecular Borromean ring consisting of three unequal cycles a step-by-step synthesis was proposed by Jay S. Siegel and coworkers. [47] In physics, a quantum-mechanical analog of Borromean rings is called a halo state or an Efimov state, and consists of three bound particles that are not pairwise bound.
In mathematics, the adele ring of a global field (also adelic ring, ring of adeles or ring of adèles [1]) is a central object of class field theory, a branch of algebraic number theory. It is the restricted product of all the completions of the global field and is an example of a self-dual topological ring .
Ethernet Ring Protection Switching (ERPS) is an effort at ITU-T under G.8032 Recommendation to provide sub-50ms protection and recovery switching for Ethernet traffic in a ring topology and at the same time ensuring that there are no loops formed at the Ethernet layer.
A grid network is a computer network consisting of a number of computer systems connected in a grid topology. In a regular grid topology, each node in the network is connected with two neighbors along one or more dimensions. If the network is one-dimensional, and the chain of nodes is connected to form a circular loop, the resulting topology is ...