How to predict download time
The KB/sec numbers for peak streaming connection rate:
Connection |
KB/sec |
Remember |
Reality... |
14.4Kbaud modem |
12.8Kb/sec |
1KB/sec |
.5-.75KB/sec |
28.8Kbaud modem |
25.6Kb/sec |
2KB/sec |
1-1.5KB/sec |
ISDN |
56-128Kb/sec |
5-10KB/sec |
2-4KB/sec |
2X CDROM |
300KB/sec |
300KB/sec |
200KB/sec |
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Don't forget per-connection cost
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http is not a good protocol for many tiny transmittals
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separate compressed files must be decompressed separately
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balance the number of files against good file segmentation
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Don't forget bandwidth is a shared resource
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GOAL: Aim for a few 10's of files to make up your world, unless it is very
large