Gianni Pucciani

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A Data Grid is a wide area computing infrastructure that employs Grid technologies to provide storage capacity and processing power to applications that handle very large quantities of data. Data Grids rely on data replication to achieve better performance and reliability by storing copies of data sets on different Grid nodes. When a data set can be(More)
Data replication is an important aspect in a data grid for increasing fault tolerance and availability. Many grid replication tools or middleware systems deal with read-only files which imply that replicated data items are always consistent. However, there are several applications that do require updates to existing data and the respective replicas. In this(More)
In Grid environments, several heterogeneous database management systems are used in various administrative domains. However, data exchange and synchronisation need to be available across different sites and different database systems. In this article we present our data consistency service CONStanza and give details on how we achieve relaxed update(More)
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