Re: [homenet] multiple routers vs IoT

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 03 April 2019 17:44 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Tim Coote <tim+ietf.org@coote.org>
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Date: Wed, 03 Apr 2019 13:44:32 -0400
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Subject: Re: [homenet] multiple routers vs IoT
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Tim Coote <tim+ietf.org@coote.org> wrote:
    > On 2 Apr 2019, at 17:04, Michael Richardson <mcr+ietf@sandelman.ca>
    > wrote:

    mcr> The way for multiple routers in the house is to recognize that the IoT
    mcr> gateway is the second router. It's not a second uplink.

    mcr> So there are in fact three situations:

    mcr> 1) multiple uplinks. (rare at this point, we all agree, partly I think
    mcr> because it's hard to do)

    mcr> 2) multiple routers. (rather common, often by mistake) 3) IoT routers
    mcr> (usually on purpose)

    > By ‘IoT router’, do you mean nodes providing the routing to 6LoWPAN network
    > (s) running over various protocols, the router that links IoT nodes to the
    > internet, or something else such as incorporating sensors/actuators that are
    > powered and use wifi as the network protocol?

I mean the gateway between 6lowpan and the home network (whether it's wifi or
wired).  That node likely also links them to the Internet (is appropriate,
ULA otherwise).

sensors/actuators with power and Wifi (and probably an marriage to a cloud
service) are "Web Enabled Devices", not IoT :-)

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-