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@@ -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.
+