Re: Automatically connecting to stub networks...

otroan@employees.org Thu, 03 December 2020 14:38 UTC

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Subject: Re: Automatically connecting to stub networks...
Date: Thu, 03 Dec 2020 15:38:13 +0100
In-Reply-To: <a2482dd470524c9c80e6faddbca334e2@huawei.com>
Cc: Ted Lemon <mellon@fugue.com>, 6MAN <6man@ietf.org>
To: Vasilenko Eduard <vasilenko.eduard@huawei.com>
References: <DA9CEF7E-44EA-44B0-AF07-2DAC4D29A59F@fugue.com> <59aeb842c7534e5ab24cde0426b5a4c9@huawei.com> <EBF0CBB1-4418-455B-A22A-05D97C704345@fugue.com> <a2482dd470524c9c80e6faddbca334e2@huawei.com>
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Vasilenko,

> You do discuss how RFC 4191 would help.
> This RFC is not needed at all if source address chosen 1st
> Because after source address selection it is trivial to decide about next hop
> Without any tweaking of routing tables on the host.
> 
> Hence, You stick to the current mode of host operation: next hop is decided 1st.
> 
> I agree with RFC 8028 that it should be changed.
> RFC 8028 is the only comprehensive solution now for the general MHMP case.

No, unfortunately not. That only solves the problem when a host is directly connected to the exit routers.
You need SADR in addition. See RFC8043 and its references.

Best regards,
Ole