Re: [v4v6interim] Can we squeeze a tiny topic in the agenda?
Geoff Huston <gih@apnic.net> Mon, 29 September 2008 08:55 UTC
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From: Geoff Huston <gih@apnic.net>
To: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
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Date: Mon, 29 Sep 2008 18:55:49 +1000
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Subject: Re: [v4v6interim] Can we squeeze a tiny topic in the agenda?
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On 29/09/2008, at 6:41 PM, Rémi Denis-Courmont wrote: > On Monday 29 September 2008 10:41:57 ext Andrei Robachevsky, you > wrote: >> Colleagues, >> >> I know the agenda is already very full, but I wonder if we could >> squeeze >> a small topic. >> >> Coming from the RIR side I'd like to bring up an issue of usability >> of >> the former class E space (240/4). I know many are sceptical about >> this, >> but I am not aware of any more or less comprehensive usability tests. >> I'd like to discuss the feasibility of such experiment. > > Linux (until very recently) and Windows 2000/XP will refuse to send > any > traffic to an address in that range. Also last time I checked, the > *BSD > kernel routing would discard these destinations, such that you > cannot cross a > BSD-based router, although BSD "network leaves" can apparently use > them > (should include OSX). Symbian seems to accept it (not well tested). > Haven't checked Windows Vista and 9x, nor big routers. > > I think it's fair to say that this range is NOT usable with legacy > nodes. I > suspect the only place you might seriously be able to use it, is > between two > NATs in the double NAT deployment, and even then I'm suspicious. I refer you to section 3 of draft-fuller-240space-02.txt for a summary of the level of support for use of this addresses in hosts as of March 2008 (its an expired draft - http://smakd.potaroo.net/ietf/idref/draft-fuller-240space/index.html holds a copy) Geoff _______________________________________________ v4v6interim mailing list v4v6interim@ietf.org https://www.ietf.org/mailman/listinfo/v4v6interim
- [v4v6interim] Can we squeeze a tiny topic in the … Andrei Robachevsky
- Re: [v4v6interim] Can we squeeze a tiny topic in … Turchanyi Geza
- Re: [v4v6interim] Can we squeeze a tiny topic in … Rémi Denis-Courmont
- Re: [v4v6interim] Can we squeeze a tiny topic in … Geoff Huston
- Re: [v4v6interim] Can we squeeze a tiny topic in … Rémi Denis-Courmont
- Re: [v4v6interim] Can we squeeze a tiny topic in … teemu.savolainen
- Re: [v4v6interim] Can we squeeze a tiny topic in … Mark Townsley
- Re: [v4v6interim] Can we squeeze a tiny topic in … Alain Durand
- Re: [v4v6interim] Can we squeeze a tiny topic in … Iljitsch van Beijnum
- Re: [v4v6interim] Can we squeeze a tiny topic in … Margaret Wasserman
- Re: [v4v6interim] Can we squeeze a tiny topic in … Rémi Després
- Re: [v4v6interim] Can we squeeze a tiny topic in … Andrei Robachevsky
- [v4v6interim] SP Private space [Re: Can we squeez… Brian E Carpenter
- Re: [v4v6interim] SP Private space [Re: Can we sq… Hiroshi MIYATA