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Re: [homenet] Let's make in-home ULA presence a MUST !?

Ted Lemon <mellon@fugue.com> Wed, 15 October 2014 14:48 UTC

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From: Ted Lemon <mellon@fugue.com>
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To: Markus Stenberg <markus.stenberg@iki.fi>
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Cc: Erik Kline <ek@google.com>, HOMENET Working Group <homenet@ietf.org>, Pierre Pfister <pierre.pfister@darou.fr>, Gert Doering <gert@space.net>, Mikael Abrahamsson <swmike@swm.pp.se>
Subject: Re: [homenet] Let's make in-home ULA presence a MUST !?
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> On 15.10.2014, at 7.58, Mikael Abrahamsson <swmike@swm.pp.se> wrote:
>> Just to be clear, I am against flash renumbering, I want to see renumbering done with 30-60 minute overlap at least. I however do see that we really really need to support renumbering. One way of making sure that support works is to expose applications to frequent renumbering.

We do need to support renumbering.   For graceful renumbering, most common applications already support it with no problem, although 30-60 minutes is too short, because that will break for example a movie stream.   But a 30-60 minute overlap will work fine for web browsing and nearly all applications a typical end-user uses other than long movies.

There are applications that will fail because they bind to an address and have no error recovery mechanism for when the address goes away, but AFAIK these are quite uncommon.   So really you are proposing a very expensive cure for an insignificant problem.

On Oct 15, 2014, at 3:02 AM, Markus Stenberg <markus.stenberg@iki.fi> wrote:
> Every time I hear about ISP-forced customer renumberings, the more I start to think that 1+ ULA prefixes per home is a MUST, not a SHOULD.

I'm not sure I'd go that far, but it's definitely a really strong SHOULD.

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