In June 2022, the outcome of Fed4Fire+ OpenCall was published and SN4I was accepted to integration in Fed4Fire+. As an important aspect, a new type of "sliver" (available resource) is proposed in Fed4Fire+, which is an OSM instance with resources to deploy Network Services from a catalog, or developed by expermienters. This approach is being evaluated among others for SLICES-RI. See details in https://www.fed4fire.eu/news/new-testbeds-joins-the-fed4fire-federation/