分布式系統(tǒng)中的調(diào)度與緩存技術(shù)

內(nèi)容概要

《分布式系統(tǒng)中的調(diào)度與緩存技術(shù)》主要內(nèi)容簡(jiǎn)介：Distributed System、Contributions of the Book、Organization of the Book、Scheduling Strategy in Distributed Systems、Technology for Network-based Multimedia Services、Caching Strategy in Distributed System等。

作者簡(jiǎn)介

董黎剛，1973年生，博士，副教授，碩士生導(dǎo)師，中國(guó)電子學(xué)會(huì)高級(jí)會(huì)員，浙江工商大學(xué)網(wǎng)絡(luò)與通信工程研究所副所長(zhǎng)，浙江省高校學(xué)科帶頭人培養(yǎng)對(duì)象。于1995年、1998年獲浙江大學(xué)（混合班）學(xué)士、碩士學(xué)位，2003年獲新加坡國(guó)立大學(xué)計(jì)算機(jī)工程專業(yè)博士學(xué)位。研究方向?yàn)橛?jì)算機(jī)網(wǎng)絡(luò)和分布式系統(tǒng)。2008年獲得浙江省高校優(yōu)秀共產(chǎn)黨員稱號(hào)。2006年至今共主持包括國(guó)家863計(jì)劃項(xiàng)目、國(guó)家自然科學(xué)基金在內(nèi)的5項(xiàng)省部級(jí)科研項(xiàng)目，提交4篇互聯(lián)網(wǎng)協(xié)議草案，其中1篇獲準(zhǔn)成為互聯(lián)網(wǎng)國(guó)際標(biāo)準(zhǔn)，在國(guó)內(nèi)外產(chǎn)生重要影響。發(fā)明專利授權(quán)2項(xiàng)，并發(fā)表多篇論文，其中30多篇被EI及SCI檢索。

書籍目錄

PrefaceFigure ListTable List1 Introduction1.1 Distributed System1.2 Contributions of the Book1.3 Organization of the Book2 Related Work2.1 Scheduling Strategy in Distributed Systems2.2 Technology for Network-based Multimedia Services2.3 Caching Strategy in Distributed System3 Multiple-Server Retrieval Scheduling3.1 Motivation3.2 System Modeling and Problem Setting3.3 Multiple-Server/Multiple-Channel Retrieval Strategies3.4 Performance Evaluation3.5 "Experiments on the CM Data Retrieval3.6 Concluding Remarks4 DIN Scheduling4.1 Motivation4.2 Analysis of Scheduling Strategy in Processing Arbitrarily Divisible Load4. 3 Analysis of Scheduling Strategy in Processing Grain-Based Divisible Load4.4 Concluding Remarks 5 Variable Bit Rate Caching5.1 Motivation5.2 System Modeling and Problem Setting5. 3 Variable Bit Rate Caching Strategies5.4 Performance Evaluation5.5 Concluding Remarks 6 Web Object Caching6.1 Motivation6.2 System Modeling and Problem Setting6.3 Web Object Caching Strategy and Algorithm6.4 Performance Evaluation6.5 Concluding Remarks7 DIN Caching7.1 Motivation7.2 System Model7.3 Analysis Model7.4 Simulation7.5 Concluding RemarksReferences

章節(jié)摘錄

版權(quán)頁(yè)：插圖：In this chapter, we study the scheduling strategy of divisible loads in a special network-DIN networks.  Previous scheduling strategy can still be used for DIN networks. However, we proposea novel scheduling strategy that has much better performances thanbefore. Our scheduling strategy has two features.In past scheduling strategy, the allocated fraction of the load isnot processed until entire allocated load fraction is received. In oth-er words, while the data are being received, the host does notprocess data. In our strategy, we let the host process data and re-ceive data simultaneously.  In this way, the processing time isgreatly reduced.  Our numerical experiments show significant im-provement in minimizing the processing time. This is the first fea-ture.The second feature is that, unlike traditional scheduling strat-egy, the originating host of the load does not directly transmit theload fractions to hosts.  Instead, the load is transmitted to andstored in DIN loops. If one host would like to process the load,this host can retrieve one load fraction from the DIN loop. Thisfeature has two advantages. First, the originating host of the loaddoes not need to partition the load. Therefore, the originator of theload des not need to know all the parameters （such as networkstructure, computing ability of hosts） that impact the result of par-tition. Second, the hosts can dynamically adjust the processing a-mount according to their real-time computing abilities without ac-cessing the originating host. For example, when a host becomesbusy, it can return a part of amount of load to the DIN loop, sothat other idle hosts can process them.

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