Date: Wed, 14 Aug 2013 08:51:18 +0800 From: Julian Elischer <julian@freebsd.org> To: Navdeep Parhar <np@FreeBSD.org> Cc: FreeBSD Net <net@FreeBSD.org> Subject: Re: TSO and FreeBSD vs Linux Message-ID: <520AD486.6050708@freebsd.org> In-Reply-To: <520A6EC6.6050208@FreeBSD.org> 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 >
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