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Broadcasting problem: различия между версиями
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'''Broadcasting problem''' | '''Broadcasting problem''' — ''[[проблема широковещания]].'' | ||
The '''broadcasting problem''' is the problem of information dissemination described in a | The '''broadcasting problem''' is the problem of information dissemination described in a | ||
group of individuals connected by a communication network. In | group of individuals connected by a communication [[network]]. In | ||
broadcasting, one node knows a piece of information and needs to | broadcasting, one [[node]] knows a piece of information and needs to | ||
transmit it to everyone else. This is achieved by placing | transmit it to everyone else. This is achieved by placing | ||
communication calls over the communication lines of the network. It is | communication calls over the communication lines of the network. It is | ||
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at any given time, and communication between two nodes takes one | at any given time, and communication between two nodes takes one | ||
unit of time. This model implies that we will deal with connected | unit of time. This model implies that we will deal with connected | ||
graphs without loops and multiple edges to model the communication | [[graph, undirected graph, nonoriented graph|graphs]] without [[loop|loops]] and multiple [[edge|edges]] to model the communication | ||
network. Note also that, depending on their cases, we will either | network. Note also that, depending on their cases, we will either | ||
consider a half-duplex or a full-duplex model. In the letter, when | consider a half-duplex or a full-duplex model. In the letter, when | ||
communication takes place along a communication line, the information | communication takes place along a communication line, the information | ||
flows in both directions, while in the former only one direction is | flows in both directions, while in the former only one direction is | ||
allowed. Hence, in the half-duplex model, we will deal with directed | allowed. Hence, in the half-duplex model, we will deal with [[directed graph|directed graphs]], while we will consider undirected graphs in the full-duplex | ||
graphs, while we will consider undirected graphs in the full-duplex | |||
model. | model. | ||
==See also== | ==See also== | ||
*''Gossiping problem''. | * ''[[Gossiping problem]]''. | ||
==Литература== | |||
* Евстигнеев В.А., Касьянов В.Н. Словарь по графам в информатике. — Новосибирск: Сибирское Научное Издательство, 2009. | |||