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Calculating network Capacity & Bus

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Original Message
Name: Woglet
Date: September 15, 2003 at 06:30:37 Pacific
Subject: Calculating network Capacity & Bus
OS: XP
CPU/Ram: 512mb RAM 2.4Ghz
Comment:

Just a question. Say I listen to an online radio station using a normal PC,
and the radio station sends MP3 encoded stereo music through the Internet
and to a company network to my computer.
The source of the music comes from a CD and would be compressed at a ratio
of 8:1.

Say the computer is an IBM PC with a 100 Mbps Ethernet interface and a
100MHz 32-bit PCI bus, and I use Media Player.
Also:
. buffer size of the network card in the user's computer is 16 bytes
. one bus cycle is required to send an interrupt from the NIC to the
CPU
. two bus cycles are required to send each group of four bytes (32
bits)
. one bus cycle is required to send an interrupt from the CPU to the
sound card


- How much company network capacity would be consumed by me while listening
to music?
- What percentage of available bus cycles on my computer would be consumed
while listening?



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