Re: New Version Notification for draft-hinden-ipv4flag-00.txt

james woodyatt <jhw@google.com> Mon, 27 November 2017 19:41 UTC

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From: james woodyatt <jhw@google.com>
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Subject: Re: New Version Notification for draft-hinden-ipv4flag-00.txt
Date: Mon, 27 Nov 2017 11:41:47 -0800
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Cc: IPv6 List <ipv6@ietf.org>
To: Erik Kline <ek@google.com>
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On Nov 18, 2017, at 05:12, Erik Kline <ek@google.com>; wrote:
> 
> Operating Systems that implement IPv4 link-local communications (Android does not) might use this signal to disable that as well.

Dear Apple and Microsoft: please do not do that or you will break Nest Weave pairing on your handsets in networks where IPv6 multicast is blocked at the Wi-Fi access point. We fall back to IPv4 link-local broadcast when we can’t use IPv6 link-local multicast for service discovery.


--james woodyatt <jhw@google.com <mailto:jhw@google.com>>