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Date: Wed, 14 Aug 2013 08:51:18 +0800
From: Julian Elischer <julian@freebsd.org>
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To: Navdeep Parhar <np@FreeBSD.org>
Subject: Re: TSO and FreeBSD vs Linux
References: <520A6D07.5080106@freebsd.org> <520A6EC6.6050208@FreeBSD.org>
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On 8/14/13 1:37 AM, Navdeep Parhar wrote:
> On 08/13/13 10:29, Julian Elischer wrote:
> ..
>> Has anyone done any work on aggregating ACKs, or delaying responding to
>> them?
> If LRO is enabled on the FreeBSD receiver, ACKs are already aggregated
> (a duplicate ACK will result in an immediate flush though.)  See tcp_lro_rx.
not always, , certainly not with XEN (xn0) on EC2.

>
> Regards,
> Navdeep
>