Also, it specifies Key Update for OSCORE (KUDOS), a light-weight course of action that two peers can use to update their keying material and set up a new OSCORE Security Context. Esko Dijk, Chonggang Wang, Marco Tiloca, 2022-07-11, This document specifies the use of the Constrained Application Protocol (CoAP) for team communication, which includes the use of UDP/IP multicast as the default underlying information transportation.