this post was submitted on 12 Jan 2024
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Can this be replicated with opensource software?[p2p file transfer over thunderbolt, and extremely low latency Video and game streaming (no encoding)] (www.youtube.com)
submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/[email protected]
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Further if this technology is open-sourced; can it be extended for use cases beyond that(Dual Motherboards sharing Compute power with low latency for working on a single process?); I know such solutions probably exist for servers and enterprises but i am talking about amateurs who don't have 10K lying around for specialty hardware: If possible this seems like a low cost solution to mess around with

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[–] [email protected] 8 points 9 months ago (1 children)

Haven't watched the video, going by your title I'm assuming it's similar to a feature on macbooks where they can be plugged straight into another Mac, thunderbolt, or FireWire device, while powered off, and have their hard drive accessed directly from another computer.

There is code for this in the Linux kernel (sadly not quite the plug and play experience that Macs have, you need to boot after plugging in AFAIK?), and a news article about the commit that added it to the kernel for Thunderbolt was posted to this community a while back. Sadly I have no idea what devices support it, but it is at least is open source.

[–] [email protected] 5 points 9 months ago* (last edited 9 months ago) (1 children)

It also has the ability to stream your game(remote desktop) over the cable without encoding and control it from another pc with almost no latency(at least thats what the host claims)

From what i can gather from the video it only appears to be developed for windows, hence why i raised the question here

[–] [email protected] 3 points 9 months ago* (last edited 9 months ago)

From the way linus framed what's happening, 4 pcie lanes linking frame buffers between both gpus and this being Intel makes me think this will remain closed source but if it catches on we could well see open alternatives.

I don't think open alternatives exist currently, though.

[–] [email protected] 4 points 9 months ago

Currently there is support for a network connection over thunderbolt you can use as a basis. If you want to send other data without network encapsulation, you'll need to write a kernel module for that.

https://www.kernel.org/doc/html/latest/admin-guide/thunderbolt.html#networking-over-thunderbolt-cable
https://christian.kellner.me/2018/05/24/thunderbolt-networking-on-linux/

[–] [email protected] 1 points 9 months ago

It looks as if you can do it, but it doesn't automagically configure itself on Linux.

Intel seems pretty good about standardizing their TB features so we may see it in a USB4.x or USB5 standard.

That said, USB4 is TB4 capable so it may be able to be introduced into USB4 as is.

[–] [email protected] 1 points 9 months ago

Probably. File transfer can be replaced with rsync or something. Video I have no idea. Maybe use a capture card?

[–] [email protected] 1 points 9 months ago

USB easy transfer cables? Sure, looks like they just present a point to point network, so you can do whatever you want over that link.

[–] [email protected] 1 points 9 months ago

Here is an alternative Piped link(s):

https://piped.video/watch?v=GqCwLjhb4YY

Piped is a privacy-respecting open-source alternative frontend to YouTube.

I'm open-source; check me out at GitHub.

[–] [email protected] -3 points 9 months ago (3 children)

LTT is trash

[–] [email protected] 29 points 9 months ago

Can you answer the question raised by my post?, or provide an alternate source(perhaps an article or coverage by a different channel) for the technology discussed?

[–] [email protected] 16 points 9 months ago

Constructive

[–] [email protected] 6 points 9 months ago

One does not need to be a fan/recurrent viewer of LTT to be curious about a technology. And while most of the technical information sucks, the introductory level stuff can be useful for low and middle-end enthusiasts.