[ih] Origin of the loopback interface

Vint Cerf vint at google.com
Fri Oct 20 17:08:50 PDT 2017


i have this hazy feeling it might have originated in the port expander
adventure but it might simply have been a way to test TCP/IP locally
without actually leaving the computer.

v


On Fri, Oct 20, 2017 at 5:29 PM, Brian E Carpenter <
brian.e.carpenter at gmail.com> wrote:

> Hi,
>
> Over on ipv6 at ietf.org we're discussing the issue of how to assign an
> address to a node without assigning it to a specific physical or tunnel
> interface. This is a minor gap in the IPv6 addressing architecture spec,
> but it creates a terminology issue in various other places.
>
> The thread started with the following message, and has got surprisingly
> long:
> https://mailarchive.ietf.org/arch/msg/ipv6/U0QzAWpZTypF8gyZZ8HPfXZLOPM
>
> So the question came up of when and where the term 'loopback interface'
> arose. Does anybody here have an answer for that?
>
> Regards
>    Brian Carpenter
>
>
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