[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: FYI: DNSOPS presentation

To: Mohacsi Janos <mohacsi@niif.hu>
Subject: Re: FYI: DNSOPS presentation
From: Tore Anderson <tore.anderson@redpill-linpro.com>
Date: Tue, 20 Apr 2010 14:07:03 +0200
Cc: Philip Homburg <pch-v6ops@u-1.phicoh.com>, Jason Livingood <jason_livingood@cable.comcast.com>, IPv6 Operations <v6ops@ops.ietf.org>
In-reply-to: <alpine.BSF.2.00.1004201355100.74067@mignon.ki.iif.hu>
Organization: Redpill Linpro AS
References: <C7F1FD96.21939%jason_livingood@cable.comcast.com> <4BCD5C6F.2090009@redpill-linpro.com> <m1O49Mw-0001cpC@stereo.hq.phicoh.net> <4BCD7774.5010601@redpill-linpro.com> <m1O4B3y-0001cKC@stereo.hq.phicoh.net> <4BCD8E9F.90700@redpill-linpro.com> <alpine.BSF.2.00.1004201355100.74067@mignon.ki.iif.hu>
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4

* Mohacsi Janos

>> Yes, that the effect of the change proposed in 
>> draft-arifumi-6man-rfc3484-revise-02, and also how Microsoft's 
>> getaddrinfo() currently behaves.  I strongly support the proposed
>> change.
>> 
>> RFC 3484, however, currently says to prefer 6to4 over IPv4 NAT44
>> (or more precisely RFC 1918 IPv4).
> 
> However all the existing implemention prefers IPv4 with RFC1918
> addresses.

That is not the case.  Mac OS X and GNU libc+derivates are two prominent
examples of getaddrinfo()/RFC 3484 implementations that follow the RFC
to the letter.  They prefer 6to4 over (RFC 1918) IPv4.

That's what causing most of the client loss in my dual-stack measurements.

Best regards,
-- 
Tore Anderson
Redpill Linpro AS - http://www.redpill-linpro.com/
Tel: +47 21 54 41 27

Follow-Ups:
- Re: FYI: DNSOPS presentation
  - From: Mohacsi Janos <mohacsi@niif.hu>

References:
- Re: FYI: DNSOPS presentation
  - From: Jason Livingood <jason_livingood@cable.comcast.com>
- Re: FYI: DNSOPS presentation
  - From: Tore Anderson <tore.anderson@redpill-linpro.com>
- Re: FYI: DNSOPS presentation
  - From: Philip Homburg <pch-v6ops@u-1.phicoh.com>
- Re: FYI: DNSOPS presentation
  - From: Tore Anderson <tore.anderson@redpill-linpro.com>
- Re: FYI: DNSOPS presentation
  - From: Philip Homburg <pch-v6ops@u-1.phicoh.com>
- Re: FYI: DNSOPS presentation
  - From: Tore Anderson <tore.anderson@redpill-linpro.com>
- Re: FYI: DNSOPS presentation
  - From: Mohacsi Janos <mohacsi@niif.hu>

Prev by Date: Re: FYI: DNSOPS presentation
Next by Date: Re: FYI: DNSOPS presentation
Previous by thread: Re: FYI: DNSOPS presentation
Next by thread: Re: FYI: DNSOPS presentation
Index(es):
- Date
- Thread