rec.autos.simulators

NR2003 Server requirements

extracto

NR2003 Server requirements

by extracto » Thu, 27 Mar 2003 12:13:33

Will this PC be fast enough to run as a dedicated server with 20->25
racers on a solid cable connection with the following specs:

Celeron 1.4 GHz 256K cache (BX chipset)
512 MB SDRAM CL2
Geforce 2 GTS 32MB
30 GB 7200 RPM 2MB cache
Promise Ultra ATA 100 Controller
SBLive 5.1

Thanks in advance

DB

NR2003 Server requirements

by DB » Thu, 27 Mar 2003 12:25:26

The PC will make a super server the problem may be your cable connection.

Each person connected to your server will use 21k of bandwidth, so to host
10 racers would
require 210k of upload bandwidth or 420k of upload for 20 racers. If your
cable connection is
capped at 256k upstream you would be limited to about 12 solid racers.

GL, Dave


Schoone

NR2003 Server requirements

by Schoone » Thu, 27 Mar 2003 21:29:12

I have a cable connection that gets over 600-700k and it still gags at over
5-6 connections for some reason.  Only way to know for sure is to test it
and see what it can handle.  You will start getting high pings and packet
loss when you hit the limit.


> The PC will make a super server the problem may be your cable connection.

> Each person connected to your server will use 21k of bandwidth, so to host
> 10 racers would
> require 210k of upload bandwidth or 420k of upload for 20 racers. If your
> cable connection is
> capped at 256k upstream you would be limited to about 12 solid racers.

> GL, Dave



> > Will this PC be fast enough to run as a dedicated server with 20->25
> > racers on a solid cable connection with the following specs:

> > Celeron 1.4 GHz 256K cache (BX chipset)
> > 512 MB SDRAM CL2
> > Geforce 2 GTS 32MB
> > 30 GB 7200 RPM 2MB cache
> > Promise Ultra ATA 100 Controller
> > SBLive 5.1

> > Thanks in advance

John Simmon

NR2003 Server requirements

by John Simmon » Thu, 27 Mar 2003 21:41:05



Check your upstream speed. I'm willing to bet that you're capped at
128k.  That will allow only about 5 or 6 cars.

Schoone

NR2003 Server requirements

by Schoone » Thu, 27 Mar 2003 21:43:37

I'm willing to bet I'm not.  Checked it.  Not sure what the issue is unless
it's an issue with my router perhaps but my upstream is actually capped at
1MB but I normally get slightly less in real world use.




> > I have a cable connection that gets over 600-700k and it still gags at
over
> > 5-6 connections for some reason.  Only way to know for sure is to test
it
> > and see what it can handle.  You will start getting high pings and
packet
> > loss when you hit the limit.

> Check your upstream speed. I'm willing to bet that you're capped at
> 128k.  That will allow only about 5 or 6 cars.

Larr

NR2003 Server requirements

by Larr » Fri, 28 Mar 2003 00:38:44

The computer isn't a problem.  Your cable connection probably is.

I believe the rule-of-thumb is 22K per car.

I doubt your cable system is symetrical, and that the uplink speed is
limited to something like 192k or 256k.  THERE is your issue.

Larry


Larr

NR2003 Server requirements

by Larr » Fri, 28 Mar 2003 00:41:11

If you have 1mbit UPLINK on your cable you are incredibly lucky.

I have a friend in a sleeply little town that just got wireless broadband.
The first of any sort of broadband in the whole town.  Get this, his
connection speeds are in excess of 4mbit/sec download and 2mbit/sec upload.
All for $50 a month.

Larry


> I'm willing to bet I'm not.  Checked it.  Not sure what the issue is
unless
> it's an issue with my router perhaps but my upstream is actually capped at
> 1MB but I normally get slightly less in real world use.





> > > I have a cable connection that gets over 600-700k and it still gags at
> over
> > > 5-6 connections for some reason.  Only way to know for sure is to test
> it
> > > and see what it can handle.  You will start getting high pings and
> packet
> > > loss when you hit the limit.

> > Check your upstream speed. I'm willing to bet that you're capped at
> > 128k.  That will allow only about 5 or 6 cars.

Schoone

NR2003 Server requirements

by Schoone » Fri, 28 Mar 2003 00:43:49

Mine are 5 down/1 up but the issue usually on cable is consistency.
If you cannot maintain a constant upload speed then it will be an issue for
hosting.  Cable can be very "bursty".


> If you have 1mbit UPLINK on your cable you are incredibly lucky.

> I have a friend in a sleeply little town that just got wireless broadband.
> The first of any sort of broadband in the whole town.  Get this, his
> connection speeds are in excess of 4mbit/sec download and 2mbit/sec
upload.
> All for $50 a month.

> Larry



> > I'm willing to bet I'm not.  Checked it.  Not sure what the issue is
> unless
> > it's an issue with my router perhaps but my upstream is actually capped
at
> > 1MB but I normally get slightly less in real world use.





> > > > I have a cable connection that gets over 600-700k and it still gags
at
> > over
> > > > 5-6 connections for some reason.  Only way to know for sure is to
test
> > it
> > > > and see what it can handle.  You will start getting high pings and
> > packet
> > > > loss when you hit the limit.

> > > Check your upstream speed. I'm willing to bet that you're capped at
> > > 128k.  That will allow only about 5 or 6 cars.

extracto

NR2003 Server requirements

by extracto » Fri, 28 Mar 2003 01:06:30

I guess I'll just do some tests and see where it goes.

Thanks



extracto

NR2003 Server requirements

by extracto » Fri, 28 Mar 2003 01:39:48

Did some speed tests linked from dslreports

Download not an issue getting nearly 2MB
Upload looks like its capped at 475K (maxed at 472K on 5 out of 8
test).

With an average of 22K per car, barely skimp buy hosting 20 cars.
Realistically I think its about 15.  Oh well, there is a local ADSL
offering 2.5 GB down and 640K up but they have a cap on
download/upload per month.  Hopefully my cable company will offer a
"enhanced" cable connection soon.

Schoone

NR2003 Server requirements

by Schoone » Fri, 28 Mar 2003 01:42:09

The problem with cable is your impacted more by local users on your node.
If a few people start some big downloads you will see a
performance/bandwidth hit.  This is less likely with DSL but it seems most
DSL caps the upload levels lower than cable typically.
You may want to look at renting a server if your trying to get some regular
racing events going, much more consistent and stable way to go IMHO.


Eldre

NR2003 Server requirements

by Eldre » Fri, 28 Mar 2003 01:47:30

My RASCAR server is a Dell Optiplex GX150 w/ 256MB ram, 10GB drive,  and TNT2
card.  I *think* it's a 900mhz system, but it might not even be THAT fast.
Your PC is plenty fast.  Your drawback will be the cable connection.

Eldred
--
Homepage - http://www.umich.edu/~epickett
GPLRank:-1.680
MonsterRank: +334.169
N2002 Rank:+17.59

Never argue with an idiot.  He brings you down to his level, then beats you
with experience...
Remove SPAM-OFF to reply.

Dave Henri

NR2003 Server requirements

by Dave Henri » Fri, 28 Mar 2003 02:10:02



   KeeeRAP!  my fast cable is 1.5Kbs down..and capped on upload.  It was
128kbs but I think they relaxed that some to about 225ish.
dave henrie

Larr

NR2003 Server requirements

by Larr » Sun, 30 Mar 2003 06:20:02

That's one hell of a Cable connection there :)

Larry


> Mine are 5 down/1 up but the issue usually on cable is consistency.
> If you cannot maintain a constant upload speed then it will be an issue
for
> hosting.  Cable can be very "bursty".



> > If you have 1mbit UPLINK on your cable you are incredibly lucky.

> > I have a friend in a sleeply little town that just got wireless
broadband.
> > The first of any sort of broadband in the whole town.  Get this, his
> > connection speeds are in excess of 4mbit/sec download and 2mbit/sec
> upload.
> > All for $50 a month.

> > Larry



> > > I'm willing to bet I'm not.  Checked it.  Not sure what the issue is
> > unless
> > > it's an issue with my router perhaps but my upstream is actually
capped
> at
> > > 1MB but I normally get slightly less in real world use.





> > > > > I have a cable connection that gets over 600-700k and it still
gags
> at
> > > over
> > > > > 5-6 connections for some reason.  Only way to know for sure is to
> test
> > > it
> > > > > and see what it can handle.  You will start getting high pings and
> > > packet
> > > > > loss when you hit the limit.

> > > > Check your upstream speed. I'm willing to bet that you're capped at
> > > > 128k.  That will allow only about 5 or 6 cars.

Larr

NR2003 Server requirements

by Larr » Sun, 30 Mar 2003 06:22:04

This widely advertised 'failing' of Cable has never been an issue on our
system.

The DSL companies used to use this 'shared bandwidth of cable' as a selling
point of DSL, but it faded out after a while when it was determined that it
wasn't that big of a deal.

EVERYONE shares somewhere.  Whether it's at the Gateway, backbone, segment,
etc...  There's no escaping it, no matter what kind of connection you have.

Larry


> The problem with cable is your impacted more by local users on your node.
> If a few people start some big downloads you will see a
> performance/bandwidth hit.  This is less likely with DSL but it seems most
> DSL caps the upload levels lower than cable typically.
> You may want to look at renting a server if your trying to get some
regular
> racing events going, much more consistent and stable way to go IMHO.



> > Did some speed tests linked from dslreports

> > Download not an issue getting nearly 2MB
> > Upload looks like its capped at 475K (maxed at 472K on 5 out of 8
> > test).

> > With an average of 22K per car, barely skimp buy hosting 20 cars.
> > Realistically I think its about 15.  Oh well, there is a local ADSL
> > offering 2.5 GB down and 640K up but they have a cap on
> > download/upload per month.  Hopefully my cable company will offer a
> > "enhanced" cable connection soon.


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