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11 lines
622 B
Text
11 lines
622 B
Text
aggregate (optimise a list of route prefixes)
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Takes a list of prefixes in conventional format on stdin, and
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performs two optimisations to attempt to reduce the length of the
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prefix list. The first optimisation is to remove any supplied
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prefixes which are superfluous because they are already included in
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another supplied prefix. For example, 203.97.2.0/24 would be removed
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if 203.97.0.0/17 was also supplied. The second optimisation
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identifies adjacent prefixes that can be combined under a single,
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shorter-length prefix. For example, 203.97.2.0/24 and 203.97.3.0/24
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can be combined into the single prefix 203.97.2.0/23.
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