Each communication or communication request that flows through a telecommunications network is called a call, and the total flow of calls is called communication traffic or simply traffic. In a communication network, calls occur probabilistically from a large number of communication terminals. Therefore, traffic fluctuates over time. Traffic theory is a design theory that takes into account these probabilistic fluctuation factors and calculates the number of communication facilities required and service quality based on statistical probabilistic methods. The characteristics of a call are determined by factors such as holding time (communication time) and information content. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
電気通信網内を流れる個々の通信あるいは通信要求を呼(〈こ〉あるいは〈よび〉)といい,呼の流れの総体を通信トラヒックあるいは単にトラヒックという。通信網においては呼は多数の通信端末から確率的に生起する。したがって,トラヒックは時間的に変動する。この確率的な変動要因を考慮し,統計確率的手法に基づいて必要な通信設備数やサービス品質などの計算を行う設計理論がトラヒック理論である。 呼の性質は保留時間(通信時間)や情報内容などにより定められる。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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