[arin-ppml] What is a "host"?

[Owen DeLong]

Because there can be 30, 50, or even 1,000 unique IP addresses on an
interface, but, only one link local.

Owen

On Sep 16, 2010, at 12:12 PM, Vaughn Thurman - Swift Systems Inc wrote:

> Then why not just call it a unique IP address?  The less we have to code our
> definitions, the better IMHO.
> 
> ~Vaughn
> 
> -----Original Message-----
> From: arin-ppml-bounces at arin.net [mailto:arin-ppml-bounces at arin.net] On
> Behalf Of Owen DeLong
> Sent: Thursday, September 16, 2010 3:08 PM
> To: Danny McPherson
> Cc: arin-ppml at arin.net
> Subject: Re: [arin-ppml] What is a "host"?
> 
> I think the simplest useful definition of a host in an IPv6 context is:
> 
> Each link local address present on the network segment constitutes a host.
> 
> Owen
> 
> On Sep 16, 2010, at 10:29 AM, Danny McPherson wrote:
> 
>> 
>> On Sep 13, 2010, at 7:36 PM, Hannigan, Martin wrote:
>>>> 
>>>> Classically (read: not IPv6), a host is any device that speaks TCP/IP.
>>>> Node is used interchangeably while other terms are used to specify
>>>> specific types of host, such as a router.
>>>> 
>>>> 
>>>> Officially in IPv6: http://www.ietf.org/rfc/rfc4294.txt
>>>> 
>> 
>> One other useful references in this context is:
>> 
>> Principles of Internet Host Configuration
> <http://tools.ietf.org/html/rfc5505>
>> 
>> Of course, I think device multi-homiing, virtualization and
> application-level
>> configuration options (e.g., layering violations) continue to blur and
> complicate
>> clear demarcation, introduce complexity and cause operational badness.
>> 
>> -danny
>> 
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