一种基于云超级节点的移动P2P存储模型及其传输机制研究  

Storage Strategies and Parallel Transmission Algorithm for Mobile Peer-to-Peer Based on the Super Node of Cloud Computing

作　　者：姜春茂[1,2] 张国印[1] 王向辉[1] 

机构地区：[1]哈尔滨工程大学计算机科学与技术学院,哈尔滨150001 [2]哈尔滨师范大学计算机科学技术与信息工程学院,哈尔滨150025

出　　处：《小型微型计算机系统》2013年第7期1570-1574,共5页Journal of Chinese Computer Systems

基　　金：国家自然科学基金项目(61073042)资助;黑龙江省自然科学基金项目(F201121)资助

摘　　要：移动P2P具有一些良好的特点,但是由于移动设备之间的多维异构,设备具有较低的带宽,较高的数据传输代价,加之资源分布的任意性,使得基于MP2P的数据存储和传输受到了极大的限制.如何采用针对性的存储方式及其相应的传输方式是一个重要的研究方向.本文考虑到存储节点的空间限制,数据传输的可靠性等综合因素,提出一种基于云超级节点的移动P2P的存储和传输模型,将部分数据传输到合适的云节点上进行存储,利用云端节点的高可靠性提供较高质量的MP2P服务.结果显示,本文的算法性能较之以往类似的算法有较大的性能提高,同时在存储空间上节约了50%以上,实验和理论分析充分证明了本文提出的存储和传输策略及相应算法是正确、有效的.Mobile P2P has some good characteristics,But mobile equipment multidimensional heterogeneous,low bandwidth,higher data transfer price,the resources distribution arbitrariness,makes the storage and transmission extremely limited based on the MP2P.How to use targeted storage method and the corresponding transmission w ay is an important research direction.In this paper,w e consider the storage nodes space restrictions,the reliability of data transmission,and other comprehensive factors,put forw ard a storage and transmission model of MP2P based on the cloud super node,w e store part of data transmission to the appropriate cloud node,use the high reliability of the clouds node to provide higher quality of MP2P service.The results show that the algorithm performance higher than before,at the same time saving more than 50% storage space.Experimental and theoretical analysis fully proved this paper＇s block storage strategy and corresponding algorithm is correct and effective.

关 键 词：云计算 分布式系统 数据分块存储 并行传输 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]