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| n | In practice,
provisioning enforces |
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| capacity rules in
most ISPs (tier 1 |
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| core’s over
provisioned compared |
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| to access ISPs
access links, but |
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| access ISPs are
3-1 to7-1) |
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| n | In practice,
scheduling & queue |
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| management in the
net are pretty |
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| chaotic…at the
whim of |
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| vendor/provider |
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