Re: [Int-area] Comments on current MPvD draft.

Ted Lemon <mellon@fugue.com> Wed, 15 November 2017 21:07 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Thu, 16 Nov 2017 05:07:26 +0800
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To: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
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Subject: Re: [Int-area] Comments on current MPvD draft.
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On Nov 16, 2017, at 12:03 AM, Eric Vyncke (evyncke) <evyncke@cisco.com> wrote:
> This could be an alternative but I can only imagine the pile of changes to be done... RA-guard, RFC 4890, ...

Wouldn't these changes be required as well if you used a different multicast address?

> In either alternative (different link-local group, different ND code), we HAVE to ensure whether it is doable with the existing HW/SW in the routers/switches/AP... I am afraid that this is more complex to change the network/routers than the end-points (thinking about OS/HW refresh cycle) but I can, obviously, be wrong on this statement.

Yes.   So this is once again arguing for the encapsulation solution.