Date: Wed, 25 Jun 2008 13:52:37 +0900 (JST)
From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Subject: [users:00790] Re: Major Version Up: IPv6 Ready Logo Program Phase-1/Phase-2 Core Protocols
To: users@tahi.org, tabe@miraclelinux.com
Cc: kkeil@suse.de, yoshfuji@linux-ipv6.org
Message-Id: <20080625.135237.112045439.yoshfuji@linux-ipv6.org>
In-Reply-To: <4858CB53.2030402@miraclelinux.com>
References: <20080613055633.GA6462@pingi.kke.suse.de>	<20080617164458.7db4a92b.akisada@tahi.org>	<4858CB53.2030402@miraclelinux.com>
X-Mail-Count: 00790

In article <4858CB53.2030402@miraclelinux.com> (at Wed, 18 Jun 2008 17:46:11 +0900), Toyo Abe <tabe@miraclelinux.com> says:

> o Linux considers the Redirect as upper-layer reachability confirmation as described
>   in rfc4861 appendix C.
> o But linux doesn't change NCE state from PROBE to REACHABLE only by upper-layer
>   reachability confirmation. Linux allows to update it to REACHABLE from DELAY or from 
>   REACHABLE by upper-layer reachability confirmation.

Sounds reasonable to me. :-)

We are optimistic in DELAY/REACHABLE phase because the router is much more
likely connected.
On the other hand, PROBE means we did not get such confirmation in "DELAY"
phase, so we just wait for real NA for sure.

--yoshfuji