[Bloat] Seen in passing: mention of Valve's networking scheme and RFC 5348

Mikael Abrahamsson swmike at swm.pp.se
Wed Apr 4 06:52:52 EDT 2018

On Wed, 4 Apr 2018, Luca Muscariello wrote:

> And yes, flow queueing, absolutely. Flow isolation, becomes fundamental 
> is such a zoo, or jungle.

There was talk in IETF about a transport protocol that was proposed to do 
a lot of things TCP doesn't do, but still retain some things that has been 
useful with TCP.

I think it was this one:


I'd like to see it not over UDP, but rather as a native IP protocol. The 
talk was about having the network being able to look into the state 
machine of the protocol (MSS size, equivalent of SYN, etc) but not into 
payload (which would be end-to-end encrypted). It would also be able to do 
muxed streams/message based to avoid head-of-line-blocking because of 
single packet loss.

So any of this that comes up then the whole FQ machinery might benefit 
frmo being able to identify flows in any new protocol, but I imagine this 
is not a hard thing to do. I still have hopes for the flow label in IPv6 
to do this job, even though it hasn't seen wide adoption so far.

Mikael Abrahamsson    email: swmike at swm.pp.se

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