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Multicast and prefix caching are two promising approaches to provide scalable video-on-demand (VoD) services. We contribute to solve the adaptive multicast delivery and the cache allocation problem for VoD services with client caching under asynchronous client requests. We first propose a client caching enabled adaptive multicast delivery scheme, which combines the stream merginglike method with prefix...
Distributed cloud networking builds on network functions virtualization (NFV) and software defined networking (SDN) to enable the deployment of network services in the form of elastic virtual network functions (VNFs) instantiated over general purpose servers at distributed cloud locations. We address the design of fast approximation algorithms for the NFV service distribution problem (NSDP), whose...
After more than 20 years of development, Internet of things has a IoT of applications in the actual scene, which greatly facilitates people's work and life. As people paying more and more attention to environmental quality, the application of Internet of Things in indoor environment monitoring and control has become an important branch. In this paper we present a set of lightweight intelligent solutions...
Due to the explosive growth in multimedia traffic demand, scalability and delivery efficiency of video-on-demand (VoD) services have become important issues. In this paper, we develop a joint cache allocation and multicast delivery scheme to minimize the average bandwidth consumption of VoD services with client caching under the zero-delay constraint. Specifically, we first propose a client caching...
With the higher requirements on quaLity of products in the market, an integrated Q&P system based on the integration of CAPP (Computer-Aided Process Planning) with quaLity control technology is developed, and it respectively adopts SPC (Statistical Process Control) and process documents as its key quaLity control technology and direction. Then, the connection between network-based CAPP and quaLity...
This paper integrates grid technology and OGC compliant services to design and implemented a geospatial Web service platform for the western region's surveying and mapping project. It can make use of OGC common services and interoperability interfaces to supply efficient and secure data management, publishing and inquiries in the heterogeneous computer environment and as well as multi-scale seamless...
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