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Aiming at the issues of the traditional centralized UDDI model, the distributed UDDI model was proposed. The model adopted the latest version specification of UDDI v3 and the management technology of key space, avoiding uneven service accessing, low processing efficiency and prone to single point of failure. Moreover, service publication and service discovery were elevated, and the good practicability...
Vehicular ad hoc networks (VANETs) allow vehicles to generate and broadcast messages to inform nearby vehicles about road conditions, such as traffic congestion and accidents. Neighboring vehicles can utilize this information, which may improve road safety and traffic efficiency. However, messages generated by vehicles may not be reliable. We propose a novel announcement scheme for VANETs based on...
Cloud computing is a cluster of virtual computing resources pool, converge all computing resources. Cloud platforms manage and schedule unified computing resources. It provides highly scalable and balance the terminals' services. In order to improve the cloud platform for resource utilization and the efficiency of task distribution, this paper proposes a method that the resource manager and scheduler...
Grid computing enables heterogeneous machines to share computational resources across different organisations and various geographic locations. Introducing a market-like mechanism into Grid computing benefits participants. In this paper, we propose a cost-effective and secure marketplace which encourages good conduct for Grid computing.
The current Virtual Machine (VM) live migration research mainly focuses on transferring run-time memory state of VMs, but neglects the network state. This paper designs an Efficient and Reliable VIrtual Network (ERVIN) system, which applies several techniques: Central Information management Distributed Data transmission (CIDD), layer-two network virtualization, store and replay. It guarantees that...
In order to make all get the benefits of health care system, we need one platform which can hold very large scale data for all participation. And this platform is non-none other than IBM Z900 mainframe server system, DB2 Large-scale relational database and CICS transaction middleware. As the lowest bottom of all system dealing data, we store all concerned data through DB2 large-scale relational database...
With the increasing prevalence of large scale cloud computing environments, how to place requested applications into available computing servers regarding to energy consumption has become an essential research problem, but existing application placement approaches are still not effective for live applications with dynamic characters. In this paper, we proposed a novel approach named EnaCloud, which...
Kerberos protocol is one of the popular security protocols used to authenticate the identities of the communication participants. The key distribution mechanism in this protocol is suitable for other secure applications. We formalize the protocol using CSP methods. Based on the formal model, the mechanism of the protocol is exposed to us clearly. Principles and tools support the verification of the...
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