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RWIN
18-11-2009 6:48 PM
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Whilst I am happy with my RWIN setting, I am intrigued by the two alternative ways of determining RWIN.
My setting used the method now included in PlusNet's "Guide to RWIN and MTU" in the Help pages.
However, DSLREPORTS includes a calculation to determine RWIN using the connection latency, determined from a DOS "Ping" statement.
Using the "Ping" method to determine the latency, in low-traffic periods, ie before 8:00am, I obtain a latency (65ms) that, in turn, gives an RWIN very close indeed to the PlusNet test-and-see method. However, If I determine that latency in high-traffic periods, the latency is higher (say 81).
Which latency value should be adopted? Or, in practice, is this difference is negligible?
Regards.....Noel
My setting used the method now included in PlusNet's "Guide to RWIN and MTU" in the Help pages.
However, DSLREPORTS includes a calculation to determine RWIN using the connection latency, determined from a DOS "Ping" statement.
Using the "Ping" method to determine the latency, in low-traffic periods, ie before 8:00am, I obtain a latency (65ms) that, in turn, gives an RWIN very close indeed to the PlusNet test-and-see method. However, If I determine that latency in high-traffic periods, the latency is higher (say 81).
Which latency value should be adopted? Or, in practice, is this difference is negligible?
Regards.....Noel
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Re: RWIN
18-11-2009 8:01 PM
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Hi Noel, IMO any difference would be negligible and hardly noticeable.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
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Re: RWIN
18-11-2009 9:10 PM
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Thanks, Bob, sounds right. I suspect the RWIN is OK over quite a range.
I guess it's the MTU that wants to be accurate. Fortunately mine is 1500.
Cheers.....Noel
I guess it's the MTU that wants to be accurate. Fortunately mine is 1500.
Cheers.....Noel
Message 3 of 3
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