Re: Best way to index IP data?
От | Michael Stone |
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Тема | Re: Best way to index IP data? |
Дата | |
Msg-id | 20080114111921.GE5294@mathom.us обсуждение исходный текст |
Ответ на | Re: Best way to index IP data? (Florian Weimer <fweimer@bfk.de>) |
Ответы |
Re: Best way to index IP data?
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Список | pgsql-performance |
On Mon, Jan 14, 2008 at 09:27:52AM +0100, Florian Weimer wrote: >* Steve Atkins: >> I don't think there's ambiguity about what an dotted-quad without a >> netmask means, and hasn't been for a long time. Am I missing >> something? > >Classful addressing is still part of many user interfaces, for >instance Cisco's IOS. It's not just that the CLI accepts it, it's >also the standard[*] output format (that is, "192.0.2.0" instead of >"192.0.2.0/24"; if no prefix length is given, the one based on the >class is used). Again, is this at all ambiguous *in the context of a host IP*? (IOW, if I say that I recieved an IP packet from 10.0.0.1, are you really going to ask me to clarify the netmask?) Mike Stone
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