Re: [mif] Default Route with DHCPv6 on a single-egress-interfaced Mobile Router

Hui Deng <denghui02@gmail.com> Fri, 17 September 2010 02:23 UTC

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Date: Fri, 17 Sep 2010 10:23:38 +0800
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From: Hui Deng <denghui02@gmail.com>
To: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Cc: mif@ietf.org
Subject: Re: [mif] Default Route with DHCPv6 on a single-egress-interfaced Mobile Router
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Hi Alex,

Inline please

2010/9/17 Alexandru Petrescu <alexandru.petrescu@gmail.com>

> Le 13/09/2010 16:31, Hui Deng a écrit :
>
>> Hello Alex,
>> Before discussion, just wondering whether you have read the draft before
>> http://tools.ietf.org/html/draft-dec-dhcpv6-route-option-03
>> Whether this draft solve your issue or not?
>>
>
> In a sense, yes, it does solve in a way the issue: I need a default route
> on a Mobile Router at home and that draft could deliver it.  I may have
> comments on it.
>
> People from different drafts are working on the merged solution recently,
>>
>
> Hmm... which solution and how recent?  Do you mean that authors of
> draft-dec-dhcpv6-route-option-03 and of
> draft-droms-dhc-dhcpv6-default-router-00 are about to write a common draft?
>  I am not aware of it.  If and when that happens I am interested to comment
> on it.
>
No, it is related to
1) draft-dec-dhcpv6-route-option-03
2) draft-sun-mif-route-config-dhcpv6-02
3) draft-sarikaya-mif-dhcpv6solution
They are going to publish a merged one based on draft-dec-dhcpv6 shortly,
please help to comment on it,

thanks

-Hui


>
> Alex
>
> thanks
>> -Hui
>>
>> 2010/9/11 Alexandru Petrescu <alexandru.petrescu@gmail.com
>> <mailto:alexandru.petrescu@gmail.com>>
>>
>>
>>    Hello MIF,
>>
>>    I have a particular interest in MIF for simultaneous use of multiple
>>    egress interfaces for bandwidth augmentation on a Mobile Router.
>>      But it is not for this reason I post now.  I post now to ask about
>>    Default Route delivered to a single-egress-interfaced Mobile Router.
>>      This discussion was originated in the MEXT WG upon IESG LC of the
>>    DHCPv6-PD-NEMO draft, then redirected to DHC WG then MIF WG was
>>    mentioned too.
>>
>>    Le 31/08/2010 04:56, Hui Deng a écrit :
>>    [...]
>>
>>        2) DHCPv6 routing configuration: a specification of DHCPv6 options
>>        allowing client nodes to perform route table configuration.
>>
>>
>>    Would this item allow for a draft describing the way in which
>>    DHCPv6(/-PD) assigns a Default Route to a single-egress-interfaced
>>    Mobile Router?
>>
>>    My problem is a Mobile Router connected on the home link.  It acquires
>> a
>>    prefix (the Mobile Network Prefix) using DHCPv6-PD.  Being a Router it
>>    doesn't configure a default route from SLAAC (if I want it to I have to
>>    switch it from Router to Host - burdensome).  DHCPv6 doesn't deliver it
>>    a Default Route either.  So I am left with a nice machine without a
>>    default route - I have to manually configure it.
>>
>>    I could write a draft telling that DHCPv6 option is delivered to a
>>    single-egress-interfaced Mobile Router and allows it to configure a
>>    default route.  Would this draft fit within this potential Charter
>> item?
>>
>>    Any comments appreciated: is this kind of work appropriate here?  Is
>>    another alternative work (like DHCPv6 tells Router to acquire this from
>>    SLAAC, and modify SLAAC)?  Could this be adapted to MIF by saying there
>>    _could_ be multiple such egress interfaces each with its own default
>>    route (hard, there should be only one default - the last resort)?
>>
>>    Any comments appreciated about how to set a default route on a Mobile
>>    Router single-egress interface.
>>
>>    Alex
>>
>>        3) MIF API: While no changes are needed for applications to run on
>>        multiple interface hosts, this API could provide additional
>> services
>>        to applications running on hosts attached to multiple provisioning
>>        domains. For instance, these services could help in solving
>>        first-hop, source address and/or DNS selection issues. Goals and
>>        Milestones Nov 2010: Initial WG draft on Split-DNS solution Nov
>>        2010:
>>        Initial WG draft on DHCPv6 option for routing configuration Nov
>>        2010:
>>        Initial WG draft on MIF API extension. Nov 2011: Submit Split-DNS
>>        solution to IESG for publication as a Proposed Standard RFC Nov
>>        2011:
>>        Submit DHCPv6 routing configuration option to IESG for
>>        publication as
>>        a Proposed Standard RFC Nov 2011: Submit MIF API extension solution
>>        to IESG for publication as an Informational RFC
>>
>>
>>
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>>
>
>