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Engineering · Electrical Engineering
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Stop-and-Wait Model to total time to transmit 1 frame t procack tprop proc prop+ 2tproc, +ack bits/transmitted frame prop t2t L21 t t bits/transmitted frame o = 2t + 2t proc+bits/ACK fram +-+- prop proc D channel transmission rate 8 5

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Required W, for Delay-Bandwidth Product W, should be large enough to keep channel busy during the delay-bandwidth product Frame 1250 bytes-10,000 bits, R 1 Mbps 2tproptproc 1 ms 10 ms 100 ms 1 sec Delay x BVW 1,000 bits (< 1 frame) 10,000 bits (1 frame 100,000 bits (10 frames) Window 1+0 1 1+1 2 1+10 11 1,000,000 bits (100 frames)1+100 101

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https//en wikipedia.org/wiki/Bandwidth-delay product e Not logged in Tak Contributions Create account Log in Article Talk Read Edit View history Search Wkipedia PEDIA Lose yourself in our planets beauty with the winners of Wiki Loves Earth Bandwidth-delay product d cortent events m article e to Wikipeda edia store From Wikipedia, the free encyclopedia andwidth-delay product is the product of a data links capa The result, an amount of data measured in bits (or bytes), is equivalent to the maximum amount of data on the In data communications and its round-trip delay ime (in seconds) raction network circuit at any given time, l.e., data that has been transmited but not yet acknowledged. A network with a large bandwidth-delay product is commonly known as a long fat network (shortened to LFN ). As defined in RFC out Wikipedia mmunity portal ecent changes ontact page k is considered an LFN if its bandwidth-delay product is significantly larger than 105 bits (12,500 bytes), Ultra-high speed LANs extremely high bandwidth, even though their delay is not great. While a connection with 1 Gbits and a ro may fall into this category, where protocol tuning is ceritical for achieving peak throughput, on account of their no LFN, a connection with 100 Gbits would need to stay below 1 us RTT to not be would need to stay below 1 us RTT to not be considered an LFN Tools What inks here Related changes Upload fle of a system where the bandwidth-delay product is large is that of geostationary satellite connections, where delivery time is very high and link throughput may also be high. The high end-to-end delivery time makes ife diffiult for ume rapid end-to-end re t,ト

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