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====== FDT Results ====== Below we list a simple experiment that transfers a 478M file from a server with hostname "net-server-2" to a client with hostname "net-server-1" over a 1Gbps link. We assume FDT is installed on both machines in directory "~/fdt". Create the file and host the FDT server: <code> [net-test-2]# cd ~/fdt [net-test-2]# dd if=/dev/zero of=500-file.data bs=1MB count=500 [net-test-2]# md5sum 500-file.data [net-test-2]# ./fdtServer.sh </code> Use the client to copy the file from the server: <code> [net-test-1]# cd ~/fdt [net-test-1]# ./fdtClient.sh -pull -c net-test-2 500-file.data -d . [net-test-1]# md5sum 500-file.data </code> For this test with RTT of **0.010ms**, we have a transfer period of **16s**, or a throughput of **239Mbps**. Note that there is a BDP of 0.010ms * 1Gbps = **1.31072KB**. We had a Net In average of **450.251Mbps** and Avg: **450.251Mbps**, with Avg disk write of: **225.103Mbps**. Using the dummynet with a RTT set to **100ms**, we have a transfer period of **20s**, or a throughput of **191.2Mbps**. Note that there is a BDP of 100ms * 1Gbps = **12.8MB**. We had a Net In average of **309.842Mbps** and Avg: **398.217Mbps**, with Avg disk write of: **265.46Mbps**. By default FDT uses 4 parallel streams, now we will test the transfer with 8 parallel streams: <code> [net-test-1]# cd ~/fdt [net-test-1]# ./fdtClient.sh -pull -c net-test-2 500-file.data -d . -P 8 [net-test-1]# md5sum 500-file.data </code> Using the dummynet with a RTT set to **100ms**, we have a transfer period of **19s**, or a throughput of **201.3Mbps**. Note that there is a BDP of 100ms * 1Gbps = **12.8MB**. We had a Net In average of **796.343Mbps** and Avg: **796.343Mbps**, with Avg disk write of: **398.052Mbps**. <code> ./fdtClient.sh -pull -c net-test-2 felCat4.2bit -d . -P 8 </code> {{https://chart.googleapis.com/chart?chs=250x100&chd=t:60,40&cht=p3&chl=Hello|World}}
