The document outlines the conceptual architecture for a reservation platform called FlexBook that allows for sharing of resources globally through a distributed catalog and reservation database, with the goal of moving society towards more resource sharing through an open-source software solution that enables finding and reserving various resources online in a flexible, reliable and equitable manner. The platform is designed based on 10 common rules focused on concepts like everything revolving around resources, optimal booking of limited shared resources, openness, equality, flexibility, reliability through individual component responsibility, and information sharing at the speed of light.