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-   -   Q About Broadband Equivalencies (http:\\b1.hcanet.com\forum/showthread.php?t=9111)

Cyberion 25th Jul 03 05:27 AM

Is there a site that explains why on 10Mb ethernet connection, I don't normally get the full 10Mb.. or mabye I do, I just never realized it though.. Silly isn't it.

Is 900KB/s = 10Mb? Shouldn't 10,000KB/s = 10Mb/s and 100,000KB/s = 100Mb/s?

richardc2000 25th Jul 03 05:44 AM

what exactly do you mean - I am a little slow today
can you give us an example
an extreme one would be if
you are downloading from someone who has cable - rogers.ca (say me)
the max download you are going to get is about 683 kbits/sec
regardless of your bandwidth and if someone else is on line
getting something from my imaginary server, you would normally get
about 1/2 that.

Kawadevil 25th Jul 03 08:11 AM

10Mb (megebits) is about 1.25 MB a second (Megabytes)
Du to overhead in protocolls you will have about 900KB/s or less.

100Mb is about 12.5MB/s, du to overhead you get less in real time.

1000Mb=125MB/s.

It's a simple calculation. Devide Mb/Kb by 8 for MB/KB.

Another thing is Half or Full duplex mode.
With half duplex your pc has to wait if its trancieving data befor it can transmit again. Mosty common if you use a Hub.
With full duplex this happens simulltaniously.
In theory you can have 20Mb or a 200Mb connection with a switch.

Cyberion 25th Jul 03 08:36 AM

I asked cause my friends @ school have been tring to built an experiemental structure, kind of helps in my forensic research too. http://www.betaone.net/index.php?showtopic=24639&st=0&

This structure is to be able to have seamless transfers between different servers.

Its quite harmless really. So far, I've fired VOB files along it.. REALLY fast (aprox.. 7000KB/s avg).. But that was on a 100Mb/s switch connected to a 10Mb/s hub connected to a school LAN with (now) 12Mb/s of "pure" partial ds3 power.. ohhhhh.....

Ya.. I'm a network geek.. ;) heheh...

Problem is.. I'm not yet certain why the throughputs are bogged down. I'm tempted to switch the environment all to Linux. Grrrr...

cappaberra 25th Jul 03 05:26 PM

yea, usually on a solid (small) 100Mb LAN, I can burst up to 11MB/s then falling down to averaging 10MB/s ... it's quite nice. ;)

/me wishes the rest of the internet was like that.... *sigh*

rikytik 25th Jul 03 05:36 PM

I'm listening to you geeks. I guess this explains why on the old time 56 kb/s modem dialup the transfer rate was only 5 kb/s max. And now on a 1000 kb/s cable one can only expect 150 down and maybe 20 up. Still remains mysteious to guys like me and to the techies on the other end of the telephone who want to sell me DSL instead of the slow slow cable isp I have.

MaxPayne 25th Jul 03 06:14 PM

If you need to quickly convert, feel free to use my units converter
http://hz.ekuriren.se/convert.asp

:)

DaMaster 25th Jul 03 10:41 PM

/Me wonders if my big bro will reply to this thread and say if he had 30mb in bits or bytes :lol:

war59312 25th Jul 03 11:46 PM

Glad I have a 100mb network card. :)

Cyberion 26th Jul 03 12:14 AM

glad I have a 1000Mb card...

If I get a extra computer up and running, I'm probably going to use a cross over cable. :)

that lets me get.. according to the calculator.. 125MB/s ;) WOW..


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