Date: Sat, 24 Feb 2001 08:14:35
From: "neil barnes" <[EMAIL PROTECTED]>
Subject: Re: Got my pc card working
>From: "Shepardson, John D." <[EMAIL PROTECTED]>
>Reply-To: Libretto <[EMAIL PROTECTED]>
>To: Libretto <[EMAIL PROTECTED]>
>Subject: Got my pc card working
>Date: Fri, 23 Feb 2001 15:51:03 -0800
>
>Date: Fri, 23 Feb 2001 15:43:31 -0800
>From: "Shepardson, John D." <[EMAIL PROTECTED]>
>Subject: Got my pc card working
>
>After writing that last message, I didn't want to put any questions
>at the end because nobody would get that far before falling asleep.
>
>So, for you ex-spurts;
>
>On my home network I installed a program on my desktop Mac called
>MacSoho. This lets it act like a windows pc on the Win95 Network
>neighborhood. When I use my libretto to copy files over, a 25
>MB file will go across in about 10 minutes. When I use my Mac
>to copy files over (same direction), it takes about 1 minute.
>What gives? 10 base with one machine, and 100base using the other?
>
>John
>
Well theoretically, with a 10Mb link the best you could transmit a 25MB file
would be on the order of 25 seconds...assuming nothing else is on the
network at the same time. With 100Mb, two to three seconds.
But...
If you have a mixed network, 10/100Mb, then the hub has to do buffering and
translation. It probably doesn't have a huge amount of memory so the whole
thing drops to the slowest speed - or a lot of packets get dropped and have
to be retransmitted (or both).
Plus you have more than the two machines on the network, so bandwidth is
being shared...60% utility on a network is considered *full* - the point at
which resend messages exceed actual data.
But I'd guess the overall slowdown is how fast the processors can serve up
and pack away the data, plus the network neighbourhood translation stuff.
Seems a little slow overall though - perhaps the tracking weight on the the
block round thing is not quite right?
Neil
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