RE: Last Call: <draft-ietf-mif-current-practices-09.txt> (Current Practices for Multiple Interface Hosts) to Informational RFC

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Thanks for the review. I've modified the draft according to your comments. Please see inline for more details.


BR,
Pierrick

> -----Message d'origine-----
> De : SM [mailto:sm@xxxxxxxxxxxx]
> Envoyé : lundi 25 avril 2011 16:31
> À : ietf@xxxxxxxx
> Cc : Margaret Wasserman; SEITE Pierrick RD-RESA-REN
> Objet : Re: Last Call: <draft-ietf-mif-current-practices-09.txt> (Current
> Practices for Multiple Interface Hosts) to Informational RFC
> 
> At 09:38 28-03-2011, The IESG wrote:
> >The IESG has received a request from the Multiple Interfaces WG (mif) to
> >consider the following document:
> >- 'Current Practices for Multiple Interface Hosts'
> >   <draft-ietf-mif-current-practices-09.txt> as an Informational RFC
> >
> >The IESG plans to make a decision in the next few weeks, and solicits
> >final comments on this action. Please send substantive comments to the
> >ietf@xxxxxxxx mailing lists by 2011-04-11. Exceptionally, comments may be
> 
> I missed the Last Call deadline.  This I-D is worth reading if the
> person is interested in multiple-interface solutions implemented in
> some widely used operating systems.
> 
> In Section 2.3.1:
> 
>    "On hosts with per-interface DNS server lists, different mechanisms
>     are used to determine which DNS server is contacted for a given
>     query.  In most cases, the first DNS server listed on the "primary"
>     interface is queried first, with back off to other servers if an
>     answer is not received."
> 
> This can result in the application trying to connect to the wrong
> destination node  (Section 4.1 of draft-ietf-mif-problem-statement-13).
> 
> In Section 3.1.3:
> 
>    "Depending on the network configuration, applications in reasearch In
>     Motion (RIM) BlackBerry devices [BLACKBERRY] can use can use direct
>     TCP/IP connectivity or different application proxys to establish
>     connections over the wireless network."
> 
> There is a typo for "Research".  See also "can use".
> 

Thanks.

> In Section 3.2.1.3:
> 
>    "Windows uses a host-wide "effective" server list for an actual query,
>     where the effective server list may be different for different names.
>     In the list of DNS server addresses, the first server is considered
>     the "primary" server, with all other servers being secondary."
> 
> I suggest using "preferred" and avoid "primary" or "secondary" when
> discussing DNS servers in this context.
> 

I see your point, but the section describes the behaviour of a particular OS and "primary" or "secondary" is the terminology used by this OS.  

> In Section 3.2.1.3:
> 
>    "The Internet Systems Consortium (ISC) DHCP Client [ISCDHCP] and its
>     derivative for OpenBSD [OPENBSDDHCLIENT] can be configured with
>     specific instructions for each interface.  However, each time new
>     configuration data is received by the host from a DHCP server,
>     regardless of which interface it is received on, the DHCP client
>     rewrites the global configuration data, such as the default routes
>     and the DNS server list (in /etc/resolv.conf) with the most recent
>     information received.  Therefore, the last configured interface
>     always become the primary one.  The ISC DHCPv6 client behaves
>     similarly.:
> 
> That rewrite can be overridden for OpenBSD dhclient (
> http://www.openbsd.org/faq/faq6.html#DHCPclient ).
> 


Good point, I've modified the draft accordingly. Thanks.

> Regards,
> -sm

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