Re: Download via wireless

Jim O'Reilly wrote:

I understand that when one uses wireless, the data transmission speed
depends on the speed of the wireless network one connects to.

Can one use a high speed connection via wireless to download files, or
are there some problems with wireless connections which make them
impractical for downloads?

Jim O'Reilly

I'm assuming, by "download", you mean from the internet and not local file
transfers.

If your wireless pipe is bigger than your internet pipe, then there /should/
be no difference between downloading over a wired connection versus
over-the-air.

I.e., Roadrunner gives me 5 Mbps downstream, which both my 802.11a and
802.11g handle just fine. I see absolutely no difference downloading
over-the-air than I do directly wired. On a good day, even 802.11b works
just as well. 802.11b (11 Mbps) is cutting it close to carry 5 Mbps
though. You never get the advertised speeds. Hence, "on a good day".

Now, local file transfers -- thats different. Good ol' CAT5 still comes out
ahead. 802.11g (and 802.11a) give you mid to high 20'ish Mbps, which isn't
bad, but can be a little painful to transfer huge amounts of data around
such as doing Ghost backups.

BTW: If you are using Windows, before even start looking at wireless, the
first thing you want to do is open your RWIN size. Its a value stored in
your registry as TcpWindowSize. By default, Windows has you bottlenecked.
Value you want to use is your (advertised internet speed x average latency)
divided by eight...

Google/deja for more on it..

Have fun...


.

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