突發(fā)性業(yè)務(wù)環(huán)境下周期性信元流通過(guò)ATM復(fù)接器的時(shí)延抖動(dòng)
DELAY JITTER OF A PERIODIC CELL STREAM THROUGH AN ATM MULTIPLEXER IN A BURSTY TRAFFIC ENVIRONMENT
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摘要: 在輸入ATM網(wǎng)絡(luò)的業(yè)務(wù)源中,周期性信元流是很重要的一種.本文精確地分析了一個(gè)有限緩存的ATM復(fù)接器,其輸入業(yè)務(wù)源由一路周期性信元流、多路隨機(jī)性貝努利(Bernoulli)信元流和突發(fā)性兩狀態(tài)馬爾科夫調(diào)制貝努利(MMBP)信元流構(gòu)成.得出了該路周期性信元流的排隊(duì)時(shí)延分布、時(shí)延抖動(dòng)的自相關(guān)函數(shù)和功率譜.揭示了突發(fā)性業(yè)務(wù)環(huán)境下周期性信元流通過(guò)ATM復(fù)接器的時(shí)延抖動(dòng)行為.計(jì)算機(jī)模擬驗(yàn)證了分析結(jié)果的正確性.Abstract: The periodic cell stream is a very important member Among the input traffic sources in ATM networks. In this paper, a finite-buffered ATM multiplexer with traffic sources composed of a periodic cell stream, multiple i. i. d Bernoulli cell streams and bursty two-state Markov Modulated Brenoulli Process(MMBP) cell streams is exactly analyzed. The probability mass function of queueing delay, the autocorrelation and power spectrum of delay jitter for this periodic cell stream are derived. The analysis is used to expose the behavior of delay jitter for a periodic cell stream through an ATM multiplexer in a bursty traffic environment. The simulation results indicate that the analytical results are accurate.
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