Re: Best way to index IP data?

From: Steve Atkins <steve(at)blighty(dot)com>
To: PostgreSQL Performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Best way to index IP data?
Date: 2008-01-11 23:55:46
Message-ID: 34490294-7EC5-4689-956E-764B64B1F4F1@blighty.com
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On Jan 11, 2008, at 3:52 PM, Joshua D. Drake wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
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> On Fri, 11 Jan 2008 15:37:37 -0800
> Steve Atkins <steve(at)blighty(dot)com> wrote:
>
>>> Well, maybe. The problem is actually that, without a netmask
>>> under CIDR,
>>> the address alone isn't really enough. You have to have a netmask
>>> to get
>>> the packets to the destination.
>>
>> Not really. You may well need netmasks to configure your interface,
>> but there's absolutely no need for them to identify an IP endpoint,
>> which is all
>> you need to identify the destination the packet is going to, and
>> that is the
>> most common use of IP addresses.
>
> Steve I think you are speaking of practicality and implementation
> versus RFC compliance. I believe per the RFC Andrew is correct.

I don't believe that's the case, but really we're at "how many angels
dance on the head of a pin" level quibbling by this point. :)

Cheers,
Steve

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