Communications of the ACM
Hide and Seek: An Introduction to Steganography
IEEE Security and Privacy
Optimizing Cauchy Reed-Solomon Codes for Fault-Tolerant Network Storage Applications
NCA '06 Proceedings of the Fifth IEEE International Symposium on Network Computing and Applications
Wayback: a user-level versioning file system for linux
ATEC '04 Proceedings of the annual conference on USENIX Annual Technical Conference
FAST'08 Proceedings of the 6th USENIX Conference on File and Storage Technologies
Enhancing Web Service Selection by User Preferences of Non-functional Features
NWESP '08 Proceedings of the 2008 4th International Conference on Next Generation Web Services Practices
DepSky: dependable and secure storage in a cloud-of-clouds
Proceedings of the sixth conference on Computer systems
SecCSIE: A Secure Cloud Storage Integrator for Enterprises
CEC '11 Proceedings of the 2011 IEEE 13th Conference on Commerce and Enterprise Computing
Information Dispersion over Redundant Arrays of Optimal Cloud Storage for Desktop Users
UCC '11 Proceedings of the 2011 Fourth IEEE International Conference on Utility and Cloud Computing
Enhancing privacy in cloud computing via policy-based obfuscation
The Journal of Supercomputing
Identity-based data storage in cloud computing
Future Generation Computer Systems
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Effortless data storage ''in the cloud'' is gaining popularity for personal, enterprise and institutional data backups and synchronisation as well as for highly scalable access from software applications running on attached compute servers. The data is usually access-protected, encrypted and replicated depending on the security and scalability needs. Despite the advances in technology, the practical usefulness and longevity of cloud storage is limited in today's systems, which severely impacts the acceptance and adoption rates. Therefore, we introduce a novel cloud storage management system which optimally combines storage resources from multiple providers so that redundancy, security and other non-functional properties can be adjusted adequately to the needs of the storage service consumer. The system covers the entire storage service lifecycle from the consumer perspective. Hence, a definition of optimality is first contributed which is bound to both the architecture and the lifecycle phases. Next, an ontology for cloud storage services is presented as a prerequisite for optimality. Furthermore, we present NubiSave, a user-friendly storage controller implementation with adaptable overhead which runs on and integrates into typical consumer environments as a central part of an overall storage system. Its optimality claims are validated in real-world scenarios with several commercial online and cloud storage providers.