Method for deployment of copy service and copy establishment in peer-to-peer network environment

Abstract

The invention relates to a distributed environment, in particular to a method for deployment of copy service and copy establishment in a peer-to-peer network environment, and belongs to the technical field of distributed data management. Aiming at the P2P system of a super node, the method of the invention comprises: firstly designing a universal deployment method of the copy service and establishing a system architecture of the copy service; then designing a dynamic copy establishing method, starting from the global data resource distribution of the system, determining the resource of the copy needed to establish according to the two factors of the cost that a resource requester accesses the resource and copy access frequency; and finally determining a copy establishing place according to the shortage extent of each region to the resource, the access frequency and the extent of reducing the cost after the copy is established. Simulation experiments and assessment show that resource access performance improvement and copy number can be well balanced.

Description

technical field [0001] The invention relates to a distributed environment, in particular to a copy service deployment method and a copy creation method in a peer-to-peer network environment, and belongs to the field of distributed data management. Background technique [0002] Peer-to-Peer Computing, referred to as P2P, is a new type of architecture model that emphasizes the overall sharing of resources without relying on the support of centralized servers, and is widely used in practice. In the P2P system, the nodes with higher performance in the system are called super nodes. In addition to sharing resources and accessing other resources in the system, they are also responsible for forwarding resource routing messages and resource management; other nodes in the system are called ordinary nodes. , can share resources and access other resources in the system, and accept the management of super nodes. [0003] In distributed systems based on peer-to-peer networks, replica te...

AI Technical Summary

Problems solved by technology

However, for P2P applications with writable data resources, adopting such a replica creation method will bring high replica consistency maintenance costs, and current research rarely considers this issue

In addition, most existing methods start from the local information of a single node and formulate a replica creation strategy under specific evaluation criteria, which has poor scalability and cannot guarantee the global optimal

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