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Traditionally, network storage systems have mainly been dominated by two IP-based storage technologies, i.e., Network Attached Storage (NAS) and Storage Area Network (SAN). In recent years, cloud based storage (e.g., Amazon S3) has gained growing popularity for its high flexibility and cross-platform compatibility. Many enterprises are considering to replace traditional storage systems with cloud-based...
In this paper, we propose a distributed storage system which relocates data blocks autonomously among the storage nodes. In the system which is composed of heterogeneous storage nodes, there are performance gaps among the storage devices. The storage tiers are made by such gaps in the system. When frequently accessed data blocks are placed on improper storage tier, system performance may decline....
This article describes the iSCSI out-of-band storage virtualization design and implementation process. The out-of-band virtualization storage technology in this paper is established based on the iSCSI protocol, the communication between the initiator and target devices in fully accordance with initiator and target model defined in iSCSI Specifications, but made a change on the flow to meet the storage...
We propose a distributed storage video on demand (VOD) system for delivering consumer generated video (CGV) content, which is stored in a user IP storage. It is important to know how the system manages video information stored in each IP storage and the status of the storage. We also propose a storage management technique implemented using an XML database management system (XDMS) as an additional...
Network bandwidth allocation is crucial for certain applications with quality of service (QoS) requirement such as multimedia in network storage system. And the iSCSI OSD storage system is a object-based system which is a novel network storage technology. In this paper associating with the character of the iSCSI OSD storage system, we propose the priority-based greed bandwidth allocation (PBGBA) algorithm...
Because of its high throughput, low CPU utilization, and direct data placement, RDMA (Remote Direct Memory Access) has been adopted for transport in a number of storage protocols, such as NFS and iSCSI. In this presentation, we provide a performance evaluation of RDMA-based NFS and iSCSI on Wide-Area Network (WAN). We show that these protocols, though benefit from RDMA on Local Area Network (LAN)...
The IP-SAN based on third party transfer protocols comprises host(s), controller(s) and stores by extending the SCSI-3 transport layer to support distribution application. In the implemented architecture data may be sent directly between host and stores, passing all commands through the controller retains simplicity, relieving the controller communication bottleneck. A prototype IP-SAN using Ethernet...
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