發(fā)布時(shí)間：2018-05-22 16:38

  本文選題：衛(wèi)星網(wǎng)絡(luò) + 傳輸控制協(xié)議��； 參考：《中南大學(xué)學(xué)報(bào)(自然科學(xué)版)》2017年03期

【摘要】：研究衛(wèi)星網(wǎng)絡(luò)中并發(fā)TCP流的復(fù)用機(jī)制,在通過模型分析得到最優(yōu)復(fù)用比的基礎(chǔ)上,基于epoll事件驅(qū)動機(jī)制設(shè)計(jì)并實(shí)現(xiàn)衛(wèi)星網(wǎng)絡(luò)的并發(fā)TCP復(fù)用加速網(wǎng)關(guān)。研究結(jié)果表明:該加速網(wǎng)關(guān)可以對來自不同客戶端的多條TCP流按照一定的復(fù)用比進(jìn)行復(fù)用,這樣,每條客戶端流可以通過避免3次握手并充分利用復(fù)用流的窗口加速數(shù)據(jù)傳輸;所設(shè)計(jì)的加速網(wǎng)關(guān)均能將典型門戶網(wǎng)頁頁面的加載時(shí)間和首字節(jié)到達(dá)時(shí)間最高縮短50%,可滿足衛(wèi)星網(wǎng)絡(luò)的加速需求。
[Abstract]:The multiplexing mechanism of concurrent TCP flows in satellite networks is studied. On the basis of obtaining the optimal reuse ratio through model analysis, the concurrent TCP multiplexing accelerated gateway of satellite networks is designed and implemented based on epoll event-driven mechanism. The research results show that this accelerated gateway can reuse multiple TCP streams from different clients according to a certain reuse ratio, so that each client stream can accelerate data transmission by avoiding shaking hands three times and making full use of the window of multiplexed stream. The designed acceleration gateways can shorten the loading time and the first byte arrival time of typical portal pages by up to 50 times, which can meet the acceleration requirements of satellite networks.
【作者單位】： 中南大學(xué)信息科學(xué)與工程學(xué)院;航天恒星科技有限公司;
【基金】：國家自然科學(xué)基金資助項(xiàng)目(61572530,61462007)~~
【分類號】：TN927.2

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