--- title: 'Obran Openthread Project Document Thread Primer' disqus: Obran Inc --- Obran Openthread Primer === [TOC] ## What is Thread? ## Node Roles and Types ### Forwarding roles ### Device types ### Other roles and types ### Partitions ### Device limits ### Recap ## IPv6 Addressing ### Scopes ### Unicast ### Unicast address types ### Multicast ### Anycast ### Recap ## Network Discovery and Formation ### Thread networks ### Mesh Link Establishment ### Create a new network ### Join an existing network ### Recap ## Router Selection ### Connected Dominating Set ### Upgrade to a Router ### Downgrade to a REED ### One-way receive links ### Recap