Systems, methods, and instrumentalities are disclosed to propagate announcement and de-announcement of a resource across one or more networks. A first entity, which may be a hosting service capability layer (SCL), may receive a request from an issuer to announce a resource. The first entity may create a representation of the resource. The representation may be referred to as an announced resource. The first entity may send an announce resource request to a second entity (e.g., an announced-to SCL), which may be registered with the first entity. The announce resource request may be sent over an mId interface. The first entity may receive a first response from the second entity over the mId interface indicating that the second entity created the announced resource.