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The byte-addressable Non-Volatile Memory (NVM) offers fast, fine-grained access to persistent storage, and a large volume of recent researches are conducted on developing NVM-based in-memory file systems. However, existing approaches focus on low-overhead access to the memory and only guarantee the consistency between data and metadata. In this paper, we address the problem of maintaining consistency...
The byte-addressable Non-Volatile Memory (NVM) offers fast, fine-grained access to persistent storage. While DRAM and NVM have similar read performance, the write operations of existing NVM materials incur longer latency and lower bandwidth than DRAM. This read-write asymmetry nature of NVM causes two bottlenecks for accessing read-and write-intensive file data: expensive data block lookups via file...
Rumor propagation has become a major area of social network research. There are some existing models that combine rumor propagation and trust network, but the trust degree is constant in these models without considering the influence of rumor propagation on trust degree among nodes. This paper put forward a rumor propagation model (DTM) which is based on two-level-mixing SIR epidemic model [1] and...
It is challenging to achieve network load balancing, simultaneously meeting the quality of service (QoS) demands of bandwidth and delays. In this paper we have designed and implemented a multicast routing system over Software Defined Networking (SDN) and sFlow. The system has been developed on the top of RYU controller. Our main contributions are: (1) compatibility of our system with traditional multicast...
The byte-addressable Non-Volatile Memory (NVM) offers fast, fine-grained access to persistent storage, and a large volume of recent researches are conducted on developing NVM-based in-memory file systems. However, existing approaches focus on low-overhead access to the memory and only guarantee the consistency between data and metadata. In this paper, we address the problem of maintaining consistency...
Distributed shared memory typically use conventional Ethernet as communication medium using broadcast or multicast for synchronization mechanisms. This causes uncertainty of time spent in synchronization and interruption of unrelated processes in the same multicast group. In this research, we propose a dynamic SDN multicast mechanism to improve efficiency of synchronization for distributed shared...
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