Re: Best way to index IP data?

From: Michael Stone <mstone+postgres(at)mathom(dot)us>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Best way to index IP data?
Date: 2008-01-14 11:19:24
Message-ID: 20080114111921.GE5294@mathom.us
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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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