Re: [saad] About saad

Fred,

The DNS is a node identifier, but it currently can't be used by the
transport layer as a connection endpoint identifier.

There are have also been some experimental proposals (viz. Cheriton's TRIAD
work) to use DNS names for routing.

            jak

----- Original Message ----- 
From: "Fred Baker" <fred@cisco.com>
To: "James Kempf" <kempf@docomolabs-usa.com>
Cc: <saad@ietf.org>
Sent: Thursday, October 16, 2003 12:13 PM
Subject: Re: [saad] About saad

> At 12:07 PM 10/16/2003, James Kempf wrote:
> >An IP address acts in two roles:
> >
> >1) As a node or endpoint identifier to the transport layer for an end to
end
> >conversation.
> >
> >2) As a locator for routing packets to a particular topological location.
>
> actually, I will argue that the endpoint identifier is the dns name. That
> has problems in that
>
>   - it needs to be able to name a service and get the address of the most
> serviceable instance of a computer offering it to the requestor; it
> currently simply offers *an* address of a list of addresses from which the
> requestor needs to choose at random
>
>   - it presumes a global address space (there is no concept of "source
> route to this gateway address and then to that private address", or the
> obvious generalization)
>
>   - A list of other things I will think of just after I send this email
>
> But it in fact acts to identify the intended endpoint.
>
>

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