New TCP Turbo feature

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I just heard about another new performance-related feature: TCP Turbo!


From the Blog

The feature was mentioned in today’s post where the new Speed page was announced:

As a bonus, we’re also rolling out one more new feature: TCP Turbo automatically chooses the TCP settings to further accelerate your website.

From the Dashboard

The feature section is displayed on the Speed tab (even for users who are not yet using the new version of the page) and it has the following description:

Accelerate latency and throughput with custom-tuned TCP optimizations. Enabled automatically for Pro, Business, and Enterprise customers.

Free plan view


Requires Pro or higher

Paid plan view


Enabled


What do you guys think of this? Did you have the opportunity to test it?
If someone already has a first impression to share, please do so. :slight_smile:

2 Likes

Yeah saw that TCP Turbo is automatically enabled on my zone and today did notice my forum/site page speed was a bit speedier - which is quite an achievement given how fast the pages were already. Hopefully, Cloudflare documents what TCP Turbo entails i.e. Google BBR etc ?

3 Likes

Still, today is difficult to find information related to TCP Turbo and what it means.

@dmz can you clarify it?

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Do you think this was from CF to origin, or client to CF, or both?

Any new documentation on what TCP Turbo does?

no idea as there’s no new info AFAIK

If I had to take a stab, I would imagine it’s TCP optimizations that apply both client-side and origin-side, the kind of optimizations that make TCP more efficient, a bit faster, and a tiny bit more like what Google did with HTTP3/QUIC (Google built a more efficient TCP-like algorithm on top of UDP, fixing many issues TCP has on high-latency etc. connections. Although many updates to TCP have been pushed out over years, it has been too slow and painful, so much so that Google decided to change the playground and take their innovation to UDP). Now it’s possible TCP Turbo is a mix of some less-well-spread updates, but they’d only be able to use them on routes with compatible hardware or inside their own network.

Anyway, wish it could be turned off so you could benchmark with it on and off!

1 Like