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Date:      Mon, 24 Mar 2025 15:27:50 -0400
From:      Cheng Cui <cc@freebsd.org>
To:        jaeyong yoo <y.jaeyong@gmail.com>
Cc:        freebsd-net@freebsd.org, freebsd-transport@freebsd.org
Subject:   Re: HyStart availability in FreeBSD stack
Message-ID:  <D321CF65-424D-4397-8473-755D512AF373@freebsd.org>
In-Reply-To: <CANud0TGz-gG-9TSeWyQcUNXp5=KsNea8qA4vySy_UpsK6Qzv2g@mail.gmail.com>
References:  <CANud0TGz-gG-9TSeWyQcUNXp5=KsNea8qA4vySy_UpsK6Qzv2g@mail.gmail.com>

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> On Mar 20, 2025, at 16:14, jaeyong yoo <y.jaeyong@gmail.com> wrote:
> 
> Hi net/transport,
> 
> We are looking for using HyStart but looks like it is only implemented
> in RACK stack but not in FreeBSD TCP Stack.
> Is there a plan to support this in the near future?
> 
> Thanks,
> Jaeyong
> 


Hi Jaeyong,

Sorry for the delayed response. There is a patch to enable Hystart++ for the default TCP stack. If you can help test it, I think it would be very helpful to speed up its acceptance.

https://reviews.freebsd.org/D46425


Best Regards,
Cheng Cui




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<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On Mar 20, 2025, at 16:14, jaeyong yoo &lt;y.jaeyong@gmail.com&gt; wrote:</div><br class="Apple-interchange-newline"><div><div>Hi net/transport,<br><br>We are looking for using HyStart but looks like it is only implemented<br>in RACK stack but not in FreeBSD TCP Stack.<br>Is there a plan to support this in the near future?<br><br>Thanks,<br>Jaeyong<br><br></div></div></blockquote></div><div><br></div><div>Hi Jaeyong,</div><div><br></div><div><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">Sorry for the delayed response. There is a patch to enable&nbsp;</span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">Hystart++ for the default TCP stack.</span><font color="#000000"><span style="caret-color: rgb(0, 0, 0);">&nbsp;If you can help test it, I think it would be very helpful to speed up its acceptance.</span></font></div><div><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><br></span></div><a href="https://reviews.freebsd.org/D46425">https://reviews.freebsd.org/D46425</a><div><br></div><div><br><div>;
<div>Best Regards,<br>Cheng Cui</div><div><br></div><br class="Apple-interchange-newline">

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