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  1. #1
    Join Date
    Jan 2010
    Posts
    2

    Lowering Latency with Linux Virtual Machine

    These threads are guides to use Linux Virtual Machine on PC to reduce latency on WOW and Aion:
    http://forums.worldofwarcraft.com/th...sid=1&pageNo=1

    http://www.aionsource.com/forum/gene...ine-linux.html

    I wonder this way works for Lord of the Rings online. I live in Malaysia and has been getting an average of 400-500ms ping times from gls.lotro.com. I hope to reduce the latency for a better playing experience.



    Target Name: gls.lotro.com
    IP: 206.16.13.82
    Date/Time: 19-Jan-10 9:51:15 PM to 19-Jan-10 9:55:22 PM

    Hop Sent Err PL% Min Max Avg Host Name / [IP]
    1 100 0 0.0 0 15 0 [192.168.2.1]
    2 100 63 63.0 19 794 126 [219.93.218.177]
    3 100 2 2.0 64 125 74 [219.93.219.173]
    4 100 62 62.0 25 96 54 [10.55.32.108]
    5 100 0 0.0 307 386 337 if-13-0-0.mcore3.LAA-LosAngeles.as6453.net [216.6.84.49]
    6 100 0 0.0 307 905 358 if-4-0-0-999.mcore5.LAA-LosAngeles.as6453.net [209.58.33.21]
    7 100 7 7.0 307 390 345 Vlan1128.icore2.LAA-LosAngeles.as6453.net [209.58.33.14]
    8 100 0 0.0 307 494 326 [192.205.35.129]
    9 100 1 1.0 383 475 415 cr2.la2ca.ip.att.net [12.122.129.30]
    10 100 1 1.0 383 463 417 cr1.slkut.ip.att.net [12.122.30.29]
    11 100 0 0.0 383 456 416 cr2.dvmco.ip.att.net [12.122.30.26]
    12 100 1 1.0 383 464 414 cr1.cgcil.ip.att.net [12.122.31.86]
    13 100 0 0.0 385 460 414 cr2.cgcil.ip.att.net [12.122.2.54]
    14 100 1 1.0 383 456 414 cr1.n54ny.ip.att.net [12.122.1.1]
    15 100 3 3.0 383 458 419 cr2.n54ny.ip.att.net [12.122.2.14]
    16 100 1 1.0 383 455 416 cr1.cb1ma.ip.att.net [12.122.31.126]
    17 100 0 0.0 381 455 389 gar5.cb1ma.ip.att.net [12.122.145.29]
    18 100 0 0.0 381 565 394 12-122-254-14.attens.net [12.122.254.14]
    19 100 0 0.0 381 479 392 mdf001c7613r0003-gig-10-1.bos1.attens.net [12.130.0.170]
    20 100 3 3.0 383 480 414 [12.130.10.69]
    21 100 2 2.0 383 457 415 [206.16.13.82]

  2. #2
    Join Date
    Apr 2007
    Posts
    1,161

    Re: Lowering Latency with Linux Virtual Machine

    Interesting.
    From another post there:
    The basic principle is to get rid of the delay in TCP packets. Typical TCP uses the Nagle's algorithm which reduces the frequency of the TCP packets by collecting them together and sending them in bursts. This is great for general Internet usage but for for playing online games such as Aion or WOW, this adds to the latency.

    The Linux in the virtual machine basically tells each TCP packet to be sent immediately to the server instead of waiting around to be sent in a group of packets.
    The windows tcp/ip stack isn't great for gaming, as many know. That is why you have products like the "Killer NIC" that is a dedicated "system on a card" (runs linux) to handle your network connection.


    If you can find something like a Killer NIC for dirt cheap, as in someone is practically giving it away that might be your best option as it may help a little.
    If you have a lot of time and some linux experience you could give this a try (along with enough computer overhead). In the end it will cost you a lot of time, effort and frustration for no guaranteed benefit.

    Overall your biggest issue is sheer distance. Honestly a 400ms ping from Malaysia to North America isn't so bad. Even light takes time to move a couple thousand miles. And in your case you'd be lucky if it actually went through fiber the whole time.

    But, best of luck to you with whatever you choose.
    \\ Galidin \\ Unpossible \\ Rawlor \\
    ...::: Defenders of the Lost Light - Brandywine :::...

  3. #3
    Join Date
    Jan 2010
    Posts
    2

    Re: Lowering Latency with Linux Virtual Machine

    Thanks for your reply Rawlor. I have been an LOTR fan since watching the 1st of the trilogy and has been following LOTRO for quite some time. However I never tried it as I dreaded the latency issue from Malaysia to North America and hoping that there will be a South East Asia version soon. But after reading some good reviews about the new expansion pack, I want to give this game a try.

    Anyway, if using Linux Virtual Machine could lower the ping times, it will be a boost to LOTRO for international gamers like me. I quote from http://www.aionsource.com/forum/gene...ine-linux.html

    Type in the following exactly as it appears in the console window and finish by pressing "Enter", replace <your.aion.server.ip.address > with your aion server ip address:
    sudo iptables -t nat -A PREROUTING -p tcp -d <your.aion.server.ip.address > --dport 7777 -j REDIRECT --to-ports 7777

    Then type in the following exactly and finish by pressing "Enter":
    sudo socat -d -d -d TCP4-LISTEN:7777,nodelay,fork,reuse addr,su=nobody TCP4:<your.aion.server.ip.addr ess>:7777,nodelay

    In my case, my aion server is Nezakan with the ip address of 206.127.155.68 so mine would be:
    sudo iptables -t nat -A PREROUTING -p tcp -d 206.127.155.68 --dport 7777 -j REDIRECT --to-ports 7777
    sudo socat -d -d -d TCP4-LISTEN:7777,nodelay,fork,reuse addr,su=nobody TCP4:206.127.155.68:7777,nodel ay
    I wonder if the port would still be 7777 for LOTRO?

  4. #4
    Join Date
    Apr 2007
    Posts
    1,161

    Re: Lowering Latency with Linux Virtual Machine

    I doubt it. I don't know what port(s) it might use. The only ones that will really matter though are the ports used to connect to your game server (Brandywine, Nimrodel, etc) during the actual game, and not all the login/authentication stuff at the beginning.

    There are protocol analyzers out there, such as Ethereal that could show you exactly what's coming in and going out of your ethernet port. I'll warn you though that if you haven't used something like that before or aren't familiar with TCP/IP it will be a bit daunting.
    \\ Galidin \\ Unpossible \\ Rawlor \\
    ...::: Defenders of the Lost Light - Brandywine :::...

  5. #5
    Quote Originally Posted by Junglewalla234 View Post
    These threads are guides to use Linux Virtual Machine on PC to reduce latency on WOW and Aion:
    http://forums.worldofwarcraft.com/th...sid=1&pageNo=1

    http://www.aionsource.com/forum/gene...ine-linux.html

    I wonder this way works for Lord of the Rings online. I live in Malaysia and has been getting an average of 400-500ms ping times from gls.lotro.com. I hope to reduce the latency for a better playing experience.



    Target Name: gls.lotro.com
    IP: 206.16.13.82
    Date/Time: 19-Jan-10 9:51:15 PM to 19-Jan-10 9:55:22 PM

    Hop Sent Err PL% Min Max Avg Host Name / [IP]
    1 100 0 0.0 0 15 0 [192.168.2.1]
    2 100 63 63.0 19 794 126 [219.93.218.177]
    3 100 2 2.0 64 125 74 [219.93.219.173]
    4 100 62 62.0 25 96 54 [10.55.32.108]
    5 100 0 0.0 307 386 337 if-13-0-0.mcore3.LAA-LosAngeles.as6453.net [216.6.84.49]
    6 100 0 0.0 307 905 358 if-4-0-0-999.mcore5.LAA-LosAngeles.as6453.net [209.58.33.21]
    7 100 7 7.0 307 390 345 Vlan1128.icore2.LAA-LosAngeles.as6453.net [209.58.33.14]
    8 100 0 0.0 307 494 326 [192.205.35.129]
    9 100 1 1.0 383 475 415 cr2.la2ca.ip.att.net [12.122.129.30]
    10 100 1 1.0 383 463 417 cr1.slkut.ip.att.net [12.122.30.29]
    11 100 0 0.0 383 456 416 cr2.dvmco.ip.att.net [12.122.30.26]
    12 100 1 1.0 383 464 414 cr1.cgcil.ip.att.net [12.122.31.86]
    13 100 0 0.0 385 460 414 cr2.cgcil.ip.att.net [12.122.2.54]
    14 100 1 1.0 383 456 414 cr1.n54ny.ip.att.net [12.122.1.1]
    15 100 3 3.0 383 458 419 cr2.n54ny.ip.att.net [12.122.2.14]
    16 100 1 1.0 383 455 416 cr1.cb1ma.ip.att.net [12.122.31.126]
    17 100 0 0.0 381 455 389 gar5.cb1ma.ip.att.net [12.122.145.29]
    18 100 0 0.0 381 565 394 12-122-254-14.attens.net [12.122.254.14]
    19 100 0 0.0 381 479 392 mdf001c7613r0003-gig-10-1.bos1.attens.net [12.130.0.170]
    20 100 3 3.0 383 480 414 [12.130.10.69]
    21 100 2 2.0 383 457 415 [206.16.13.82]



    Thanks for giving information.It's very useful for beginners.When i had a ping problem while playing online game,i followed your link.After that i checked my ping rate whether it's low or high using WhoisXY.com I got good results.

 

 

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