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Containers have been used in many applications for isolation purposes due to the lightweight, scalable and highly portable properties. However, to apply containers in virtual network functions (VNFs) faces a big challenge because high-performance VNFs often generate frequent communication workloads among containers while the container communications are generally not efficient. Compared with hardware...
Today’s lightning fast data generation from massive sources is calling for efficient big data processing, which imposes unprecedented demands on the computing and networking infrastructures. State-of-the-art tools, most notably MapReduce, are generally performed on dedicated server clusters to explore data parallelism. For grass roots users or non-computing professionals, the cost of deploying and...
Information-Centric Networking (ICN) provides substantial flexibility for users. One of the most important features of ICN is the universal in-network caching. The characteristics of ICN make it substantially different from traditional caching systems. In this paper we propose an age-based cooperative caching scheme in response to the special characteristics of ICN. We leverage the coupling between...
MapReduce has achieved tremendous success for large-scale data processing in data centers. A key feature distinguishing MapReduce from previous parallel models is that it interleaves parallel and sequential computation. Past schemes, and especially their theoretical bounds, on general parallel models are therefore, unlikely to be applied to MapReduce directly. There are many recent studies on MapReduce...
Service discovery is critical for mapping logical resource name to physical resources in large-scale distributed systems. The traditional Domain Name System (DNS) deployed on the Internet, however, suffers from slow-down, vulnerability for denial of service attacks, and does not support fast updates. To address these problems, a novel decentralized service discovery approach based on peer-to-peer...
As an emerging portable service platform, OSGi is now taking a more and more important role in Ubiquitous Computing environment. As a module management framework, OSGi provides the functions of dynamic loading and unloading software modules at runtime. But its use is limited because it is centralized and single programming language supported. In this paper we present LIR-OSGi, an extended framework...
In the past few years, we have witnessed a flourish of online social network sites (OSNs). In this kind of websites, the users are not only information consumers, but also actively upload contents of their own to the OSNs. Being sharply different from the conventional sites, OSNs have attracted many studies recently. These studies, however, mainly focus on the social behaviors within OSNs, e.g., the...
As an emerging portable service platform, OSGi (Open Service Gateway Initiative) is taking a more and more important role in modern Service Oriented Architectures (SOA). In order to improve the capability of using distributed services in network-based OSGi applications, R-OSGi (Remote OSGi) is invented. However, network-based SOA applications are prone to the big impact on Quality of Service (QoS)...
In recent years, we have witnessed a gold rush of location based services enabled by location awareness and persistent Internet connections of modern smartphones. However, the poor performance of indoor localization remains an obstacle to providing these services effectively inside buildings. Obtaining a comprehensive database of points of interest and high quality indoor maps is another obstacle...
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