From b51b463f0911ca584961e08cf502b80f155882b2 Mon Sep 17 00:00:00 2001 From: Armon Dadgar Date: Mon, 9 Mar 2015 10:01:50 -0700 Subject: [PATCH] website: Update FAQ about UDP multicast --- website/source/docs/faq.html.markdown | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/website/source/docs/faq.html.markdown b/website/source/docs/faq.html.markdown index 7d6a00736f..b1be80f8fa 100644 --- a/website/source/docs/faq.html.markdown +++ b/website/source/docs/faq.html.markdown @@ -42,3 +42,11 @@ those privileges that make sense for your deployment. Using the SCADA service is optional. SCADA is only enabled by opt-in. See the [Atlas integration guide](/docs/guides/atlas.html) for more details. + +# Q: Does Consul rely on UDP Broadcast or Multicast? + +Consul uses the [Serf](https://serfdom.io) gossip protocol, which only +uses UDP unicast. Broadcast and Multicast are rarely available in a multi-tenant +or cloud network environment. For that reason, Consul and Serf were both +designed to avoid any dependence on those capabilities. +