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The advent of cloud computing motivates business organizations to migrate their complex data management systems from local servers to cloud servers for scalable and durable resources on pay per use basis. Considering enormous users and large amount of documents at cloud servers, there is a requirement of an access control scheme, which supports fine-grained cum flexible access control along with "Query-Response"...
Many organizations, including businesses, government agencies and research organizations, are collecting vast amounts of data, which are stored, processed and analyzed to mine interesting patterns and knowledge to support efficient and quality decision making. In order to improve data quality and to facilitate further analysis, many application domains require information from multiple sources to...
In the age of internet, when data production has gone off-bounds, organizations are facing a tough challenge in terms of processing, analyzing and storing big data. The major drawback with this data is that it is not only being created at a lightning fast pace but it is also unstructured i.e. does not have a fixed schema. Moreover it is arising from disparate and discrete sources such as the social...
Locator-Identifier-Separation (LIS) architectures introduce a novel addressing scheme by decoupling the node identification and locator functionalities into separate address parts in order to tackle mobility and multi-homing issues. As part of LIS concepts, a fast and global scalable mapping system is required to resolve the node ID into the corresponding locations. Current mapping systems are typically...
The idea of cloud computing has been evolving over the years, towards the direction that best suits the perpetual needs of organizations. The majority of organizations have started to house their own Internal private cloud, rather than relying on third party private clouds for wide range of reasons. Development of an internal private cloud has to overcome a wide range of challenges to match the performance...
Growing core counts have highlighted the need for scalable on-chip coherence mechanisms. The increase in the number of on-chip cores exposes the energy and area costs of scaling the directories. Duplicate-tag-based directories require highly associative structures that grow with core count, precluding scalability due to prohibitive power consumption. Sparse directories overcome the power barrier by...
Recently, the autonomic communication networks paradigm has been introduced as a solution to the increasing management complexity of communication networks in the Future Internet. In order to encompass the large-scale nature of these networks, a general consensus has been reached that the supporting autonomic management architectures should be distributed for scalability reasons. However, several...
In high performance computing environment, the metadata servers of distributed file system become critical to impact overall system performance. An approach of memory based metadata server is proposed, instead of the disk based approach. We present a metadata management system with matrix organization, non-overhead reliable mechanism and static scalability method, which is design to efficiently utilize...
In order to build Grid resource sharing environment, a basic problem is to locate one or more entities (e.g. CPU, memory, OS, applications) that match a provided description, this called resource discovery process. This paper proposes a model of resource discovery method that based on classifying the nodes of resources according to their importance to a Grid application. Each group has a leader that...
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