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Date:      Tue, 13 Aug 2013 10:37:10 -0700
From:      Navdeep Parhar <np@FreeBSD.org>
To:        Julian Elischer <julian@freebsd.org>
Cc:        FreeBSD Net <net@FreeBSD.org>
Subject:   Re: TSO and FreeBSD vs Linux
Message-ID:  <520A6EC6.6050208@FreeBSD.org>
In-Reply-To: <520A6D07.5080106@freebsd.org>
References:  <520A6D07.5080106@freebsd.org>

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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.

Regards,
Navdeep



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