Re: Upload speed

"Worn out Retread" <newdoverman@xxxxxxxx> hath wroth:

My download speed from the desk-top machine was 4012 and from the laptop
at 2120 kbps. The upload speed from the desk-top was 140 kbps and 740
kpbs from the lap-top. Thes numbers were obtained using the same network
software on both machines and connecting to the same servers.

what software? How did it measure / generate these numbers?

I used Pure Networks Network Magic. They have a list of servers from which
to choose. Other speed rating sites have given very similar results.

My guess is that you are in Germany. Try one of these sites:
<http://www.zockbar.de/show/speedtest.html>
<http://www.ces.vwl.uni-muenchen.de/cesvideo/bandwidth/test.html>
<http://www.speedtest.de>
<http://www.speedmeter.nl/speedmeter.de/testsuite/testcontroller.asp?>
<http://www.numion.com/yourspeed/checkup.php3?l=de>

It is unlikely that your unspecified cable ISP will give you
10Mbits/sec of exclusive bandwidth for the duration of the test. As
speeds increase, such ISP's tend to use QoS to limit the bandwidth
allowed to individual users and individual services. Some ISP's offer
"burst" bandwidth, which offers substantial increases in bandwidth,
but only for the first few minutes/seconds.

Only one machine was connected to the network at a time. When changing
servers, the numbers may change but the ratios between each machine
reminains pretty constant.

How do the numbers change? Are repetative tests yielding
substantially different numbers?

Are you sure? Its very very unlikely you have a symmetric 10 Mbps
connection. Most domestic connections have much lower upload rates eg
10Mbps down / 500Kbps up.

Yes, I checked with them twice to be sure. They told me that whatever my
hardware could send or receive up to 10 Mbps they would handle it.

That's not a good answer. All broadband ISP's limit both up and down
bandwidth. Cable is a shared medium, where other users on the system
will dramatically reduce your available bandwidth. All this says is
that the ISP is not willing to disclose what service level he's
delivering and what results you should expect to obtain. That's not
suprising as there is no way the ISP can guarantee the full
10Mbits/sec bandwidth. They certainly won't guarantee 10Mbits/sec
upload speeds as this would inspire everyone to setup servers. In
addition, the ISP's backbone bandwidth is probably symmetrical. The
home and business users get the bulk of the download bandwidth. The
server farm and co-located customers use the bulk of the outgoing
bandwidth (for servers). It all balances nicely, but would not work
if they supplied you the full 10Mbit/sec upload.

I do
know that the modems have restrictions on what they are capable of but I
would like to know why the wireless is faster than the hard wired unit.

I have no idea. You didn't answer *HOW* you are testing. It could be
something as simple as the difference in performance between the
laptop and the desktop. If the faster laptop has an ethernet port,
try the test comparing its wireless and wired performance.


--
Jeff Liebermann jeffl@xxxxxxxxxx
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
.

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