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In modern data centers, many flow-based and task-based schemes have been proposed to speed up the data transmission in order to provide fast, reliable services for millions of users. However, existing flow-based schemes treat all flows in isolation, contributing less to or even hurting user experience due to the stalled flows. Other prevalent task-based approaches, such as centralized and decentralized...
With the advent of big data, data center applications are processing vast amounts of unstructured and semi-structured data, in parallel on large clusters, across hundreds to thousands of nodes. The highest performance for these batch big data workloads is achieved using expensive network equipment with large buffers, which accommodate bursts in network traffic and allocate bandwidth fairly even when...
In today's world many of researches have been done on distributed databases. The main issue in distributed databases is to maintain consistency in databases. To maintain consistency in database, correctness criteria must be met. Many of the concurrency control methods are presented earlier, but they have problems about delay, performance, waiting time and number of message exchanges while maintaining...
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