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Tim1681
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Joined: 17 Jan 2005
Posts: 160
Location: Bristol, CT, USA
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 Posted: Fri Mar 25, 2005 3:56 am Post subject: Server Speed = Crap :-/ |
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Hey,
I've searched the forums & read most of the posts but i still cant figure this out:
On my Server i have files around 2-5 MB and when i download them from another location other than my local network, i get speeds around 30-40Kb/s, but when i do a speed test from the server itself it says tht i run around a 300+kb/s .. whats going on here?
Server:
800Mhz P3
256MB RAM
100mb/s Network (Linksys)
Abyss is running on port 81 instead of 80 .. will this cause some loss of speed? |
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k1ll3rdr4g0n
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Joined: 04 Jul 2004
Posts: 609
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| Posted: Fri Mar 25, 2005 4:35 am Post subject: |
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Do you download via internal IP or external IP?
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Tim1681
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Joined: 17 Jan 2005
Posts: 160
Location: Bristol, CT, USA
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| Posted: Fri Mar 25, 2005 5:00 am Post subject: |
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If you mean
External : WAN
Internal : LAN
Then its an External IP |
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AbyssUnderground
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Joined: 31 Dec 2004
Posts: 3855
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| Posted: Fri Mar 25, 2005 10:55 am Post subject: |
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The reason for this, is if you are using a router that supports loopback (i think this term is correct), instead of going to the web, the router decides:
"Oh, I am that IP address, whats the point of redirecting it to the web when it can go faster without!?!?!?!"
It just goes straight to the router and back again. I had the same problem myself.
Andy (aka The Inquisitor)
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Andy (AbyssUnderground) (previously The Inquisitor)
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Tim1681
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Joined: 17 Jan 2005
Posts: 160
Location: Bristol, CT, USA
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| Posted: Fri Mar 25, 2005 3:06 pm Post subject: |
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| Is there anything that I could do to fix this? Or should i just attempt to try another router? Im trying to get as much speed from the server but 40kbs just isnt my fancy. |
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Anonymoose
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Joined: 09 Sep 2003
Posts: 2192
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| Posted: Fri Mar 25, 2005 4:36 pm Post subject: |
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What is the speed of your DSL/cable connection?
It sounds like you are confusing the difference between the download speeds you will get from your server on your LAN, and the speed you get from elsewhere accessing your server via your ISP. |
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Tim1681
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Joined: 17 Jan 2005
Posts: 160
Location: Bristol, CT, USA
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| Posted: Fri Mar 25, 2005 5:36 pm Post subject: |
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I Have comcast & they say that I have 4Mbps Download and 384Kbps Upload.
I'm not confusing them, when i goto one of my friends house which is right down the street or at my school and download the files from my server, i get the 40Kbps :-/ |
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AbyssUnderground
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Joined: 31 Dec 2004
Posts: 3855
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| Posted: Fri Mar 25, 2005 5:40 pm Post subject: |
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It sounds like you are getting confused. Over the internet you will only get your maximum upload speed (in your case 384kbps or 38KB/s). When you are on your LAN, you are getting the speed of the LAN because your router is smart... It knows that your internet IP address is at your house, so it says, why go through the bother of the internet when I can do it here.
Basically at home you are getting your maximum LAN speed, at school or your friends house you are getting you maximum upload speed for your broadband.
Hope this answers your question!
Andy (aka The Inquisitor)
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Spoonybard
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Joined: 03 Apr 2004
Posts: 6
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| Posted: Fri Mar 25, 2005 6:24 pm Post subject: |
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| The Inquisitor wrote: | | (in your case 384kbps or 38KB/s) |
Actually it's 48KB/s. You divide by 8. Not that it makes any difference to your overall post, but I thought I'd point that out. |
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k1ll3rdr4g0n
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Joined: 04 Jul 2004
Posts: 609
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| Posted: Fri Mar 25, 2005 7:24 pm Post subject: |
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Just use your internal IP if your on the LAN and itll go faster than your computer can handle ie http://192.168.1.100/somefile.exe thats what I was trying to get at eariler. =]
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AbyssUnderground
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Joined: 31 Dec 2004
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| Posted: Fri Mar 25, 2005 10:04 pm Post subject: |
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I think you'll find it's divide by 9. I looked on many websites to find this info out!
But hey, it makes no difference, what matters is that the website works.
Andy (aka The Inquisitor)
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Anonymoose
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Joined: 09 Sep 2003
Posts: 2192
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| Posted: Fri Mar 25, 2005 10:20 pm Post subject: |
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Why would you divide by nine to convert bits to bytes? There are 8 bits in 1 byte, 1024 bytes in 1 kilobyte etc. 384 kilobits = 48 kilobytes. You shouldn't have to look this up...
Either way, since this ignores overheads etc it will never reach it's theoretical maximum - you are certainly not going to see LAN performance down the road at your friends house! |
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AbyssUnderground
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Joined: 31 Dec 2004
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| Posted: Fri Mar 25, 2005 10:26 pm Post subject: |
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I did have a discussion with a friend a few weeks ago about this... It would be nice to have a LAN speed over the same ISP but obviously it will be impossible since it has to go through other ISP's to get to the same ISP again somewhere else in the country...
Would be nice if they could do that though. Same with the upload speeds. Give us more! I hate the 256Kbps I get with NTL broadband. A great 2Mbps download but a pathetic 256Kbps upload. So sad...
I filled in the NTL 'Suggestions' form. I asked for more upload speed :P. Lets hope they give us it!
Andy (aka The Inquisitor)
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AbyssUnderground
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Joined: 31 Dec 2004
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| Posted: Sat Mar 26, 2005 9:59 pm Post subject: |
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I found a website to backup my claims about dividing by 9 to get KB/s from Kbps.
| Quote: | | For every Byte of data, the Dial-Up modem will use 9 bits. So, you need to divide the number of Kbps by 9 if you want to know the data rate in KB/s. (57 Kbps = 6.33 KB/s). |
Taken from http://www.netfor2.com/RxTx32Help.html under the title "Modem Speed".
Andy (aka The Inquisitor)
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Anonymoose
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Joined: 09 Sep 2003
Posts: 2192
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| Posted: Sat Mar 26, 2005 10:05 pm Post subject: |
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From exactly the same page :
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Bandwidth is the time average of the data rate (either received or transmitted) expressed in KB/s (Kilo Bytes/second) or Kbps (Kilo bits/second). 1 Byte = 8 bits. This average includes the pauses. The total time necessary to transfer a file is equal to the Size of the file (KB) divided by Bandwidth (KB/s).
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The number 9 they're using there is to calculate realistically the speed you will get, given the overheads of the connection. It is not a conversion from bits to bytes. |
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AbyssUnderground
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Joined: 31 Dec 2004
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| Posted: Sat Mar 26, 2005 11:04 pm Post subject: |
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Oh well, I just thought I'd prove my point.
Andy (aka The Inquisitor)
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WolfRamiO
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Joined: 30 May 2004
Posts: 121
Location: Viña del Mar, Chile
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| Posted: Sun Mar 27, 2005 7:15 am Post subject: |
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| i got 1200 down and 256 up cable conection, 256/8 its 32 Kilobytes, that its the max bandwitch of my server!.... just an example! |
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Jeffb
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Joined: 30 Mar 2005
Posts: 2
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| Posted: Wed Mar 30, 2005 3:58 am Post subject: Loopback |
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I'm not sure if the poster is still following in on the thread, but the answer to his question is to use the internal IP when on the server's network...
I have another web server (not Abyss, sorry) that chokes everytime I use the external IP from inside the net. I'm not sure why it has such issues.. Throughput ends up more in the 79 bytes per second range.. Using the internal address works perfectly.
Does anyone know of a third-party bandwidth testing website that he could use? I.e., provide a URL to a large test data file and the site will download the file and calculate the transfer?
In short, it's not Abyss's fault, nor the users. It's a router/networking quirk..
I hope that helped... You may now resume modem speed calculations.. FYI, 9 bits is probably because the connection uses 8 bytes and 1 stop bit (8N1). Not relevant in broadband or general internet discussions...
- Jeff |
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TRUSTAbyss
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Joined: 29 Oct 2003
Posts: 3752
Location: USA, GA
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WolfRamiO
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Joined: 30 May 2004
Posts: 121
Location: Viña del Mar, Chile
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| Posted: Thu Mar 31, 2005 7:47 am Post subject: Re: Loopback |
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| Jeffb wrote: | I'm not sure if the poster is still following in on the thread, but the answer to his question is to use the internal IP when on the server's network...
I have another web server (not Abyss, sorry) that chokes everytime I use the external IP from inside the net. I'm not sure why it has such issues.. Throughput ends up more in the 79 bytes per second range.. Using the internal address works perfectly.
Does anyone know of a third-party bandwidth testing website that he could use? I.e., provide a URL to a large test data file and the site will download the file and calculate the transfer?
In short, it's not Abyss's fault, nor the users. It's a router/networking quirk..
I hope that helped... You may now resume modem speed calculations.. FYI, 9 bits is probably because the connection uses 8 bytes and 1 stop bit (8N1). Not relevant in broadband or general internet discussions...
- Jeff |
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| Quote: | | On my Server i have files around 2-5 MB and when i download them from another location other than my local network, i get speeds around 30-40Kb/s, but when i do a speed test from the server itself it says tht i run around a 300+kb/s .. |
in my case, when i download files or view my portal using a PC on my LAN the server bandwich its equal to my LAN banwich (because the server its on my LAN too) that is called local network ¬¬
when someone dowload something or view sites remotely (out of LAN using the internet) bandwitch its equal to your internet conection limits... |
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