Re: The internet architecture

From: Iljitsch van Beijnum <iljitsch at muada.com>
To: Keith Moore <moore at network-heretics.com>
Cc: Noel Chiappa <jnc at mercury.lcs.mit.edu>, ietf at ietf.org
Date: Mon, 1 Dec 2008 14:59:15 +0100
In-reply-to: <4932BFAC.1020101 at network-heretics.com>
References: <20081130151159.418826BE571 at mercury.lcs.mit.edu> <4932BFAC.1020101 at network-heretics.com>

On 30 nov 2008, at 17:30, Keith Moore wrote:

DNS names as
currently used with A, AAAA, MX, and SRV records don't have the right
semantics. Part of the reason is that we don't distinguish betweenDNS
names that are used to name services (which may be implemented on
multiple hosts, each of which has one or more A/AAAA records) and DNS
names that are used to name single hosts (which may have multiple A/AAAArecords for other reasons). And the same DNS name may be usedsometimesas a host name (via A or AAAA records, say when using ssh) andsometimes
as a service name (via MX or SRV records).


Who cares?

Identification is a different problem from classification.

The same ambiguity exists with IP addresses, anyway. Or did you reallythink 74.125.77.99 is a single machine?

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References:
- Re: The internet architecture
  - From: Noel Chiappa
- Re: The internet architecture
  - From: Keith Moore

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Re: The internet architecture

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