Lags & shot delay in server  (Read 1812 times)

zeus

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Lags & shot delay in server
« on: September 20, 2024, 22:08 »
The complaints about lag are directly related to routing INSIDE UK. Here's some proof how packetloss is present on EVERY SINGLE hop starting from London
Code: [Select]
|------------------------------------------------------------------------------------------|
|                                      WinMTR statistics                                   |
|                       Host              -   %  | Sent | Recv | Best | Avrg | Wrst | Last |
|------------------------------------------------|------|------|------|------|------|------|

....

|             ldn-b3-link.ip.twelve99.net -    0 | 1501 | 1501 |   47 |   48 |   73 |   48 |
|                   No response from host -  100 |  301 |    0 |    0 |    0 |    0 |    0 |
|                   No response from host -  100 |  301 |    0 |    0 |    0 |    0 |    0 |
|          uk-lon03a-ri2-ae-5-0.aorta.net -    1 | 1466 | 1457 |   46 |   48 |  128 |   47 |
|                   No response from host -  100 |  301 |    0 |    0 |    0 |    0 |    0 |
| brnt-ic-3-ae0-0.network.virginmedia.net -    3 | 1354 | 1317 |   47 |   49 |   89 |   50 |
|                   No response from host -  100 |  301 |    0 |    0 |    0 |    0 |    0 |
|sotn-core-2b-ae2-0.network.virginmedia.net -    2 | 1398 | 1372 |   48 |   49 |   56 |   49 |
|sotn-metnet-3a-lag-56.network.virginmedia.net -    1 | 1445 | 1431 |   49 |   50 |   57 |   50 |
|    drkn-bh1-ia1.network.virginmedia.net -    3 | 1381 | 1351 |   50 |   50 |   58 |   50 |
|                   No response from host -  100 |  301 |    0 |    0 |    0 |    0 |    0 |
....
|                   No response from host -  100 |  301 |    0 |    0 |    0 |    0 |    0 |

|________________________________________________|______|______|______|______|______|______|

Not everyone gets routed through the same places, but most international players do. And when the routing is unstable the server is very far from netcode based compensation

Piglet

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Re: Lags & shot delay in server
« Reply #1 on: September 21, 2024, 16:51 »
Netcode doesn't do anything for packet loss. That's simply not possible. The server can't use information it didn't get from the client and vice versa.

100% PL just means that the hop in the chain is configured not to respond to UCMP ping requests. You can't read any more into it than that.

I've heard that any number after a hop that has actual PL is unreliable.

My gut feel is that internet TV/streaming/video calling/modern games that go big downloads/music etc have pissed all over low-latency gaming. All those things will use up switch machine time and happily re-request any parts that get dropped first time. None of them are particularly time-sensitive.

Even using linux "mtr" in UDP mode, which is better than WinMtr's ICMP doesn't give you particularly useful information. I'm defintely not getting 97% packet loss from hop 3. I'm not getting 53% packet loss from the datacentre gateway.

Code: [Select]

Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                                                                                     Packets               Pings
 Host                                                                                              Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. 192.168.1.1                                                                                     0.0%   352    0.7   0.7   0.6   5.5   0.6
 2. ???
 3. 31.55.185.181                                                                                  97.7%   351    7.7  12.5   7.2  48.0  14.3
 4. 31.55.185.188                                                                                   0.0%   351    8.1   9.8   7.2  54.9   6.6
 5. core1-hu0-6-0-7.colindale.ukcore.bt.net                                                         0.0%   351    8.0   9.3   7.1  51.0   5.6
    core1-hu0-12-0-5.colindale.ukcore.bt.net
    core1-hu0-8-0-5.colindale.ukcore.bt.net
    core1-hu0-6-0-9.colindale.ukcore.bt.net
    core2-hu0-2-0-5.colindale.ukcore.bt.net
    core2-hu0-6-0-6.colindale.ukcore.bt.net
    core2-hu0-16-0-8.colindale.ukcore.bt.net
    core2-hu0-17-0-1.colindale.ukcore.bt.net
 6. peer7-et-0-1-1.telehouse.ukcore.bt.net                                                          0.0%   351    7.9  12.8   7.4  63.3  10.5
    peer7-et-4-0-4.telehouse.ukcore.bt.net
    peer7-et-0-0-1.telehouse.ukcore.bt.net
    peer3-et0-0-4.redbus.ukcore.bt.net
    peer7-et-4-1-1.telehouse.ukcore.bt.net
    peer3-et3-1-1.redbus.ukcore.bt.net
    peer3-et3-0-4.redbus.ukcore.bt.net
    peer7-et-0-1-4.telehouse.ukcore.bt.net
 7. 109.159.253.63                                                                                  0.0%   351    8.0  10.6   7.5  48.9   7.4
    109.159.253.101
 8. ???
 9. ???
10. sotn-core-2b-ae2-0.network.virginmedia.net                                                     54.0%   351   19.2  21.3  19.1  61.1   6.0
11. sotn-core-2b-ae2-0.network.virginmedia.net                                                      0.0%   351   19.3  21.5  18.9  58.3   5.2
    sotn-metnet-3a-lag-56.network.virginmedia.net
12. drkn-bh1-ia1.network.virginmedia.net                                                            0.0%   351   20.1  22.0  19.9  69.9   6.2
    sotn-metnet-3a-lag-56.network.virginmedia.net
13. drkn-bh1-ia1.network.virginmedia.net                                                           53.4%   351   48.1  24.1  21.1  68.0   7.9
14. ???

Unfortunately, even if there was a switch somewhere in the path that we could 100% identify as going wrong....there's no way to report it. You can't get past the script-based first line of the ISP's. They don't have any idea about networking, and have no interest in (and probably no way to) getting you through to someone who has a flipping clue.  I say this after spending literally hours in this situation on the phone to "the technical team"s at BT and Virgin.

Piglet

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Re: Lags & shot delay in server
« Reply #2 on: September 21, 2024, 16:55 »
Here's an ICP equivalent taken immediately after:

Code: [Select]
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                                                                                     Packets               Pings
 Host                                                                                              Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. 192.168.1.1                                                                                     0.0%   111    0.8   1.4   0.5   4.8   1.4
 2. 172.16.15.150                                                                                   0.0%   111    4.3   5.0   3.8  30.2   3.1
 3. ???
 4. 31.55.185.188                                                                                   0.0%   111    7.9   8.2   7.0  62.3   5.2
 5. 213.121.192.140                                                                                 0.0%   111    7.2   9.1   7.0  42.3   6.4
 6. peer3-et0-0-4.redbus.ukcore.bt.net                                                              0.0%   111    7.8   9.7   7.3  31.0   4.5
 7. 109.159.253.63                                                                                  0.0%   111    7.7   9.4   7.4  52.7   5.9
 8. ???
 9. ???
10. ???
11. sotn-core-2b-ae2-0.network.virginmedia.net                                                      0.0%   110   20.7  22.1  20.3  60.9   6.0
12. sotn-metnet-3a-lag-56.network.virginmedia.net                                                   0.0%   110   20.5  22.1  19.7  67.6   7.4
13. drkn-bh1-ia1.network.virginmedia.net                                                            0.0%   110   21.9  22.6  20.8  62.5   5.6
14. miasma.rocks                                                                                    0.0%   110   21.3  23.0  21.3  64.0   4.9


Stealer

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Re: Lags & shot delay in server
« Reply #3 on: September 23, 2024, 23:37 »
Didn't notice much tonight other than some annoyingly good players :D
Stealer.T32

vkn

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Re: Lags & shot delay in server
« Reply #4 on: October 05, 2024, 21:11 »
Last weeks issues...and this is a good day...


Code: [Select]
  6.|-- 143.244.225.23                                                0.0%     3    0.7   0.7   0.7   0.8   0.1
  7.|-- ix-ae-21-0.tcore3.njy-newark.as6453.net (66.198.70.38)        0.0%     3    0.8   0.9   0.7   1.1   0.2
  8.|-- if-ae-15-2.tcore1.l78-london.as6453.net (80.231.130.25)      66.7%     3   74.8  74.8  74.8  74.8   0.0
  9.|-- if-ae-17-2.tcore1.ldn-london.as6453.net (80.231.130.130)     66.7%     3   73.3  73.3  73.3  73.3   0.0
 10.|-- ???                                                          100.0     3    0.0   0.0   0.0   0.0   0.0
 11.|-- uk-lon03a-ri2-ae-2-0.aorta.net (84.116.135.46)                0.0%     3   71.2  71.2  71.1  71.2   0.1
 12.|-- ???                                                          100.0     3    0.0   0.0   0.0   0.0   0.0
 13.|-- brnt-ic-3-ae0-0.network.virginmedia.net (62.253.174.114)      0.0%     3   77.1  77.2  77.1  77.2   0.0
 14.|-- ???                                                          100.0     3    0.0   0.0   0.0   0.0   0.0
 15.|-- sotn-core-2b-ae2-0.network.virginmedia.net (62.254.85.142)    0.0%     3   78.7  78.6  78.5  78.7   0.1
 16.|-- sotn-metnet-3a-lag-56.network.virginmedia.net (86.28.60.202)  0.0%     3   75.5  75.5  75.4  75.6   0.1
 17.|-- drkn-bh1-ia1.network.virginmedia.net (213.48.17.22)           0.0%     3   74.2  74.4  74.2  74.7   0.3
 18.|-- ???