...works at three layers: the network, the routing, andthe application layer. We also revisit architectural decisions onnaming, identification, and the use of middle-boxes.We are not alone in seeing the vision of IP-based smart objects, asevidenced by the IPSO Alliance, IETF standards (6LoWPAN, ROLL, CoAP), andrecent start-ups.CALIPSO works within the IETF/IPv6 framework, which includes therecent IET ...