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Date:      Thu, 30 Apr 2015 13:19:37 +0000
From:      "Eggert, Lars" <lars@netapp.com>
To:        Karlis Laivins <karlis.laivins@gmail.com>
Cc:        George Neville-Neil <gnn@neville-neil.com>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, grenville armitage <garmitage@swin.edu.au>
Subject:   Re: Congestion Control Modification
Message-ID:  <98E7D40A-EC37-413D-85CE-2A6012811E08@netapp.com>
In-Reply-To: <CAF4H_7=WZTmNUaS9x0DJh1YNRzFCJPbqJ_eFp12=z8snvTpn3g@mail.gmail.com>
References:  <CAF4H_7mSGp_GZGaDBx8xq47FY1j85xLHq%2BZY1jMzprbzp%2Bg9zw@mail.gmail.com> <5535945F.90504@swin.edu.au> <CAF4H_7nOJP=Wy7LJSBi2PGupnMMvZu0xYeT2iYjhKDg-DPC6fw@mail.gmail.com> <F572540B-45C8-4EBF-9E18-7CA7E30CFD0C@neville-neil.com> <CAF4H_7=WZTmNUaS9x0DJh1YNRzFCJPbqJ_eFp12=z8snvTpn3g@mail.gmail.com>

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On 2015-4-30, at 15:04, Karlis Laivins <karlis.laivins@gmail.com> wrote:
> I have yet to solve the issue of
> how to get the One Way Delay for the ACK message (the time it takes ACK to
> arrive from receiver of the ACK'ed data sender) correctly.

That won't work without synchronized clocks, which you can't really assume to be present.

Lars


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