openmptcprouter
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Ysurac
Best configuration for low latency and seamless failover
Expected Behavior
I would like to know what configurations I have to make in order to optimize for low latency and seemless failover
Current Behavior
The latency isn't better than without Open MPTCP Router
Specifications
- OpenMPTCProuter version:
- openmptcprouter-v0.58.5-r0+16336-b36068d35d-bcm27xx-bcm2711-rpi-4-ext4-factory.img
- OpenMPTCProuter VPS version:
- 0.1026
- OpenMPTCProuter VPS provider:
- netcup
- OpenMPTCProuter platform:
- RPI4
@suyuan168 I checked and found nothing about optimization for best latency
There is no best, only better. Expand the page according to the wiki。 https://github.com/Ysurac/openmptcprouter/wiki/Optimization
if I use v2ray instead of Shadowsocks it is now using the glorytun?
for me Shadowsocks is not working it saying cant get IP address so i am using v2ray on intel nuc
As far as I know an optimization of latency requires a different configuration than optimization of bandwith/aggregation. That's why I would like to know which parameters I have to change or check. And I assume Congestion Control and tcp syn retries as described in the wiki are not the only relevant parameters. Further there is no information which congestion control promises better latency.
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On Jan 5, 2022, 23:58, at 23:58, suyuan @.***> wrote:
There is no best, only better. Expand the page according to the wiki。 https://github.com/Ysurac/openmptcprouter/wiki/Optimization
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You can't get a better latency than your best connection. For congestion control, you have to test: each case is different.
That's what I tried to explain in my original issue. The latency is often worse than the latency of the best connection. I assume that the router doesn't utilize that connection, but also the connection with higher latency. That's why I want to know: how to optimize the system for best latency instead of best throughout/bandwith?
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On Jan 6, 2022, 04:12, at 04:12, "Ycarus (Yannick Chabanois)" @.***> wrote:
You can't get a better latency than your best connection. For congestion control, you have to test: each case is different.
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Apparently ReMDeLa protocol can achieve good latency:
https://www.researchgate.net/publication/336434800_Redundant_Multipath-TCP_Scheduling_with_Desired_Packet_Latency
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On Jan 6, 2022, 04:12, at 04:12, "Ycarus (Yannick Chabanois)" @.***> wrote:
You can't get a better latency than your best connection. For congestion control, you have to test: each case is different.
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there are two that suppose to make it happen SlothTail and ReMDeLa how do we use them?
CFS is another candidate. Have to check again if one of them is already available in OMR.
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On Jan 6, 2022, 12:42, at 12:42, mstrolo @.***> wrote:
there are two that suppose to make it happed SlothTail and ReMDeLa how do we use them?
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so what is the wiki-article we are talking here? what is the current recommendation for e.g. 3 similar, stable WAN connections via broadband.
Suyuan referred to this page:
https://github.com/Ysurac/openmptcprouter/wiki/Optimization
But it doesn't say much more than 'you can try another congestion control algorithm', and it doesn't say what the effect of such optimization would be.
Quote of the article:
"To optimize TCP traffic
In Network->MPTCP, you can try another TCP Congestion Control. BBR2 seems to offer a good result in many case (available only on 64bits arch), BBR give a good result only when connection are good without packets lost. Cubic work in every case but can be slower.
If you have a bad connection, you can increase TCP Syn retries."
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On Jan 7, 2022, 02:30, at 02:30, Adorfer @.***> wrote:
so what is the wiki-article we are talking here? what is the current recommendation for e.g. 3 similar, stable WAN connections via broadband.
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ECF is available in MPTCP and seems to do a good job in terms of lateny
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On Jan 7, 2022, 13:54, at 13:54, mstrolo @.***> wrote:
how do we add those protocols to omr?
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ECF is available in MPTCP and seems to do a good job in terms of latency
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On Jan 5, 2022, 23:54, at 23:54, mstrolo @.***> wrote:
also wants to know!
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It means, ECF (Earliest Completion First)
Better latency is one benefit compared to standard mptcp
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On Jan 10, 2022, 17:13, at 17:13, mstrolo @.***> wrote:
what does ecf opyimize? latency? speed?
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Good discussion:
https://github.com/Ysurac/openmptcprouter/issues/972
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On Jan 5, 2022, 23:54, at 23:54, mstrolo @.***> wrote:
also wants to know!
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Good discussion:
https://github.com/Ysurac/openmptcprouter/issues/972
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On Jan 10, 2022, 17:13, at 17:13, mstrolo @.***> wrote:
what does ecf opyimize? latency? speed?
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did you manage to understand what will be best for each conifguration? like what's best for latency or what it best for ping or streaming?
ECF improves latency a lot in a heterogen wan environment as it will prioritize the low latency connection. So it improved my connection a lot for rdp application which requires low latency. For uninterrupted live streaming, I'm still trying to figure out which congestion control works best in my scenario. I'd need that for solid video calls
Jan 16, 2022 5:52:56 AM mstrolo @.***>:
did you manage to understand what will be best for each conifguration? like what's best for latency or what it best for ping or streaming?
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what I am looking to achieve is 3 options
one for speed optimization one for latency and one for packets which is the video and that
Interesting targets! And is there a way to switch between those 3 'profiles' in a convenient way?
Jan 21, 2022 4:15:52 PM mstrolo @.***>:
what I am looking to achieve is 3 options
one for speed optimization one for latency and one for packets which is the video and that
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What is qpp?
Jan 21, 2022 8:04:37 PM mstrolo @.***>:
i did it with a phone qpp
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Phone app? Which app did you use?
Jan 21, 2022 8:04:37 PM mstrolo @.***>:
i did it with a phone qpp
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Blynk And i added options to change the Congestion.
Do you have an idea for duplicate packets? I know it can bring down the delay on zoom and more like that
hi how can we deal with video buffering? i have founs this: Cross-Layer Scheduler for Video Streaming over MPTCP
is this Scheduler part of the current version?