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Virtualization is a key technology in research fields such as cloud computing, big data and new networks. A lot of cloud computing platforms, data centers, intranets and test environments of networks developed in recent years all depend on virtualization. Virtualization technology has become a hot research focus in computer industry because of its flexibility and wide application. By analyzing the...
Device-to-Device (D2D) communications and small cell networks, as promising technologies to improve spectral efficiency and system throughput for future cellular networks, have received increasing attentions. In this paper, we model D2D communications in the two-tier heterogeneous macro-small cell networks. We propose not only two novel resource sharing strategies for D2D users, namely dedicated resource...
Mobile Internet access has become the norm rather than an exception in our daily lives, resulting in a large proportion of traffic attributed to mobile devices. To enhance the mobility support in Internet architecture, many research initiatives have devoted to investigating Named Data Networking (NDN) as the fundamental paradigm for the future Internet. NDN supports the consumer mobility by re-issuing...
Most of existing network testbeds can only support the experimentation of L2∼L4 forwarding protocols, leaving the evaluation of L4∼L7 applications still a tremendous challenge. This paper pioneers to present the design of sea-cloud innovation environment (SCIE) based on the software defined networking (SDN) and network functions virtualization (NFV) paradigms to support adaptive service-oriented experimentation,...
A heterogeneous processor consists of cores that are asymmetric in performance and functionality. Such a design provides a cost-effective solution for processor manufacturers to continuously improve both single-thread performance and multi-thread throughput. This design, however, faces significant challenges in the operating system, which traditionally assumes only homogeneous hardware. This paper...
The traditional procedural or OO methodology now cannot meet the expanding software scales and the software evolution processes very well. A new methodology named AOP (Aspect Oriented Programming) makes up their shortages in dealing with cross-cutting concerns. Software process architecture is a high level abstraction of software processes. In order to improve the efficiency of software evolution...
The importance and popularity of software evolution are increasing as more and more successful software systems have become legacy systems. SDDM system dynamic development model, which supports software concurrent engineering, is extended with standardization, role model, resource model and hierarchy. And by doing so, we produce the SDDM, which is configurable and reusable to support the standardization...
Software process reuse emphasizes to compose software processes from existing software process components. However, existing research does not provide a practical solution. According to the similarities between software products and software processes, we argue that process architecture can play a very important role in software process reuse. This paper defines process architecture made of evolution...
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