Research Of Cloud Resourcesmultidimensional Query Algorithm Based On Structured Peer-To-Peer Network

In recent years, the rise of cloud computing technology has revolutionized the traditional computing model, while opening up a new mode of utilization of computing resources relying on the Internet. Providing the users with dynamic and scalable computing resources through the Internet technology based on the virtualization technique is the core of the cloud computing. In essence, cloud computing is a calculation model of dynamic virtualized resources available as a service over the Internet. The focus of the study of cloud computing applications is how to effectively organize and control the vast virtual resources on the network computing, as well as the way to calculate the resource pool to provide users with on-demand computing resources and coordinate user needs. People used to manage a large number of cloud resource with computing model of a central server, which enables it become the bottleneck of the whole system and is not conducive to large-scale application of cloud computing. So the distributed cloud resource index storage and query system with P2 P technology is proposed in this paper. The idea is to generate a unique identifier that identifies the node with the SHA-1 hashing algorithm for cloud node as a shared identifier for network topology, storing and indexing system and node queries. And then a distributed cloud computing platform based on structured P2 P network is generated.As a self-organized network, P2 P network has been widely used in resource sharing and resource search. Compared with other networks, P2 P network features with the decentralization, scalability, robustness, high performance and other significant characteristics, while especially the DHT-based structured P2 P networks taking an advantage in stability and scalability over the unstructured P2 P networks. Therefore, solve the resource sharing and discovery problems in the cloud computing with P2 P technology.The focus of research lies in solving the problem of cloud resource query in cloud computing applications with the help of P2 P network technology. Although the P2 P network based on DHT is very high effective in a single dimension query, but it does not support in multidimensional ones. In order to settle the multidimensional query in cloud resources, in this paper, based on structured P2 P networks, we have to establish the overlay network for multidimensional query with the resource information correlation and network grouping mechanism. And according to resource attribute and property values in a different encoding, combined with multi-dimensional cloud resource storing and publish policies, we would implement a multidimensional query method applied to cloud resources.Experiments are conducted in the designed the cloud P2 P network simulator, and the analysis of the results shows that as the number of dimensions of the cloud resource query varies, the average query delay of the network changes small. Rather than increasing with the increase of query dimensions, it is stabilized. In addition, compared to the traditional Chord of P2 P network, the proposed algorithm supports multi-dimensional query and it is stable and efficient without growing great query latency with the increasing number of nodes in the network. It proves that proposed algorithm is suitable for cloud computing network with large number of nodes and expands the application of P2 P network technologies in cloud computing services.