Intelligent storage: Cross-layer optimization for soft real-time workload
ACM Transactions on Storage (TOS)
Journal of Parallel and Distributed Computing
Multi-dimensional storage qos guarantees for an object-based storage system
ICCS'06 Proceedings of the 6th international conference on Computational Science - Volume Part III
Prototyping object-based ubiquitous multimedia contents storage for mobile devices
UIC'06 Proceedings of the Third international conference on Ubiquitous Intelligence and Computing
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Quality of Service (QoS) is crucial for certain applications such as multimedia. As the Object-based Storage Device (OSD) protocol emerges as the next generation storage technology, QoS provisioning for OSD-based systems has also received a great deal of attention. In this paper, we propose a QoS framework for OSD-based storage system that integrates both the network QoS and storage QoS. We examine the existing OSD specification and analyze the QoS requirements for applications on OSD clients. Based on the QoS requirements analysis, we propose a three-level QoS specification. We further elaborate on extensions to the existing OSD and iSCSI protocol to support our QoS specification. These extensions are then incorporated with the current OSD reference implementation. Finally, we discuss both the implementation structure and issues encountered as part of this study.