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Re: [homenet] wifi broadcast domain - Mikael Abrahamsson's comments

Juliusz Chroboczek <jch@irif.fr> Wed, 03 April 2019 15:59 UTC

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Date: Wed, 03 Apr 2019 17:58:59 +0200
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From: Juliusz Chroboczek <jch@irif.fr>
To: Michael Richardson <mcr+ietf@sandelman.ca>
Cc: 'homenet' <homenet@ietf.org>, "STARK, BARBARA H" <bs7652@att.com>
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Subject: Re: [homenet] wifi broadcast domain - Mikael Abrahamsson's comments
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>> If there is a more complex HNCP network, then we could probably simulate
>> the L2 scenario with VXLAN, configured by HNCP.

> If memory serves, VXLAN requires support for multicast, which HNCP+Babel
> doesn't provide.  There's a set of IBM (?) extensions to VXLAN that avoid
> the use of multicast, I'm not a fan.

Another issue is that since VXLAN emulates a layer 2 network, it doesn't
have any means to regulate MTU; hence, it requires either network-layer
fragmentation or the use of jumbograms.

Not a fan, sorry.

-- Juliusz

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