Abstract
Nowadays there is growing interest in evolving the distributed sensors concept from the more traditional one of enabling technology to monitor the surrounding physical environmenttowards Cyber Physical Systems (CPS) sensors and actuators, that is, as a suitable tool to measure/influence the cyber activity of possibly worldwide communities of users (e.g., any geotagged operation leaving a cyber footprint and any cyber physical incentive to stimulate activity as in crowdsensing). To leverage this novel perspective, we propose a framework to integrate at bestmultilayer CPS sensors and actuatorsas the basis for autonomic management operations on both physical and cyber worlds. In this paper the specific application domain target is peer-to-peer content sharing based on social identities and relationships, but we claim that the proposed CPS framework is of general applicability. In particular, our original middleware solution adopts CPS actuators to move users’ content temporarily from smart home environments to high-performance cloud resources to minimize the access time of a dynamically selected quota of contents. Then, based on social network sensors and connectivity/networking ones hosted at lightweight domestic Web servers, our CPS actuators can originally and dynamically move content back from the cloud to smart homes when appropriate, in order to both retain full ownership of user-generated content and reduce cloud hosting costs.
Highlights
Distributed sensors are traditionally identified as means for monitoring the physical environment where they are located, for example, to recognize inter-/intradaily vehicle traffic patterns or to promptly identify emergency events
Nowadays there is growing interest in evolving the distributed sensors concept from the more traditional one of enabling technology to monitor the surrounding physical environment towards Cyber Physical Systems (CPS) sensors and actuators, that is, as a suitable tool to measure/influence the cyber activity of possibly worldwide communities of users. To leverage this novel perspective, we propose a framework to integrate at best multilayer CPS sensors and actuators as the basis for autonomic management operations on both physical and cyber worlds
Based on social network sensors and connectivity/networking ones hosted at lightweight domestic Web servers, our CPS actuators can originally and dynamically move content back from the cloud to smart homes when appropriate, in order to both retain full ownership of user-generated content and reduce cloud hosting costs
Summary
Distributed sensors are traditionally identified as means for monitoring the physical environment where they are located, for example, to recognize inter-/intradaily vehicle traffic patterns or to promptly identify emergency events. On the other hand, monitoring how frequently the album pictures are downloaded provides a time-evolving trend for actual resource accesses To leverage this novel perspective, we originally propose a middleware framework to integrate and exploit at best CPS multilayer sensors and actuators as the basis for autonomic management on both cyber and physical worlds. The application domain targeted here is peer-to-peer content sharing based on social identities and relationships In this domain, the primary goal is to exploit CPS context data efficiently to improve performance and users’ privacy through advanced content management operations, in a seamless way for final users and with minimum need of configuration management.
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