That could have disastrous consequences for the rest of the traffic on that
link.
From: Wietse Venema<mailto:wie...@porcupine.org>
Sent: 30/08/2013 10:27 AM
To: Postfix users<mailto:postfix-users@postfix.org>
Subject: Re-inventing TCP (was:
Am 30.08.2013 19:36, schrieb Terry Gilsenan:
> The killer on high latency links is the tcp-window and the continual wait for
> ack. With links above 1000ms this compounded delay reduces the available
> bandwidth to a very small percentage of the interface speed (eg:256kbps on a
> 2mbps link). W
On 30 Aug 2013, at 18:36, Terry Gilsenan wrote:
> The killer on high latency links is the tcp-window and the continual wait for
> ack. With links above 1000ms this compounded delay reduces the available
> bandwidth to a very small percentage of the interface speed (eg:256kbps on a
> 2mbps link
-Original Message-
From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org]
On Behalf Of Robert Sander
Sent: Saturday, 31 August 2013 3:47 AM
To: postfix-users@postfix.org
Subject: Re: Re-inventing TCP (was: newbie check..)
>Am 30.08.2013 19:36, schrieb Te
-Original Message-
From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org]
On Behalf Of Wietse Venema
Sent: Saturday, 31 August 2013 2:56 AM
To: Postfix users
Subject: Re: Re-inventing TCP (was: newbie check..)
>Terry Gilsenan:
>> I have done testing
t; Subject: Re: Re-inventing TCP (was: newbie check..)
>
> >Am 30.08.2013 19:36, schrieb Terry Gilsenan:
>
> >> The killer on high latency links is the tcp-window and the continual
> >> wait for ack. With links above 1000ms this compounded delay reduces
> >>
Terry Gilsenan:
> I have done testing with file transfers using both TCP and UDP,
Wietse
> Would not the same result be achieved by disabling TCP congestion
> control? I am not implying that doing so is a good idea.
Terry Gilsenan:
> That could have disastrous consequences for the rest of the tra
Terry Gilsenan:
> I have done testing with file transfers using both TCP and UDP,
Would not the same result be achieved by disabling TCP congestion
control? I am not implying that doing so is a good idea.
Wietse