how TCP achieves reliable data transfer. How to find your RWIN: 1) Open up a DOS Prompt box: Start>Run>command 2) Type: ping -l #### dslreports.com #### is your MSS. (MSS = MTU - 40) Example Screenshot Take your average large packet ping + 50%, multiply that by your proposed advertised speed and divide that value by 8. You now have your raw RWIN. Example: 400ms average latency (x 1.5) with 53Kbps
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