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研究生:簡家弘
研究生(外文):Chia-Hung Chien
論文名稱:基於市場機制之分散式資源排程
論文名稱(外文):Market-based Decentralized Resource Scheduling
指導教授:蘇豐文蘇豐文引用關係
指導教授(外文):Von-Wun Soo
學位類別:碩士
校院名稱:國立清華大學
系所名稱:資訊工程學系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2004
畢業學年度:92
語文別:英文
論文頁數:49
中文關鍵詞:格網計算資源排程市場導向規劃工作流程
外文關鍵詞:grid computingresource schedulingmarket-oriented programmingworkflow
相關次數:
  • 被引用被引用:0
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  • 下載下載:6
  • 收藏至我的研究室書目清單書目收藏:1
格網計算(Grid Computing)是一個正在崛起的嶄新計算架構。這種計算架構正在被許多科學研究所使用中。這種計算架構原本僅止於加速運算上的功用,但現在已經已衍生出新的一種:”資源分享”的概念。在這種概念之下,在虛擬組織(Virtual Organization)中的成員,可以共享彼此的資源以完成他們自己的工作。
在這種資源分享的架構下,我們會希望使用者的工作是一個工作流程,將所有的細節工作都事先定義好,而後藉由代理人程式來進行資源調配的工作。在調配資源的過程當中,我們必需要解決不同的工作流程中,同時對同一個資源的要求衝突。依照以往的集中管理方式,或許可以解決這個問題,但也同時遇到其他問題,如:對集中排程者(centralized scheduler)負載過重、或是排程者發生問題而導致整個系統停擺。
基於以上的理由,所以我們想採取去集中式排程(decentralized scheduling)。在我們的系統中,我們採用市場機制(market mechanism)的方法。一方面讓工作流程代理人(Work-flow Agent)根據外在狀況調整工作流程的資源要求時程(schedule),而另一方面也由市場中間人(Market Broker Agent)來調整資源的相關資訊,並回報給各工作流程代理人,最後達到平衡時,我們將可以確定各工作流程可以被正確地執行。
最後我們將會比較我們提出的兩種解決市場振盪的兩種方法─機率及α法─的效果及與先到先處理(First Come First Serve)法的差距。
The Grid Computing is a new emerging computing infrastructure. It provides a new platform to share computational resources. Every participant has his own jobs to execute. How to schedule all participants’ jobs is an important problem. For each job, we have an execution workflow. In the traditional system, there is a centralized scheduler. Because of some problems, like single-node failure, and load-balancing consideration, we want to solve the scheduling problem without a central scheduler.
In this paper, we take the market-oriented programming into our simulation. We create several Workflow Agents to plan feasible schedules for the work-flows according to the market prices of the resources and a Market Broker Agent to coordinate the simultaneous resources accesses.
We describe our system model and compare two methods -- probability and α-method -- with the centralized scheduling algorithm FCFS
Chapter 1 Introduction 1
1.1 What is Grid Computing 1
1.2 An Example for Illustration 3
1.3 Potential Problems of Grid Computing 4
1.4 Motivation 5
1.5 Related Work 7
Condor/Condor-G 7
Acution/Combinatorial Auction 8
1.6 Problem Definition 10
1.7 Market-Oriented Programming 12
1.7.1 What is Market-Oriented Programming 12
1.7.2 Why to Use Market-Oriented Programming 13
1.8 Ogranization of Thesis 14
Chapter 2 Market Model and System Architecture 15
2.1 Revised Market-Oriented Programming 15
2.1.1 Definition and Assumption 15
2.1.2 Market Model 16
2.1.3 Utility Function of a Work-flow Agent 18
2.1.4 Market-Price Adjustment 19
2.2 System Architecture 20
2.2.1 Architecture 20
2.2.2 Components 22
Information Service Agent 22
Resource Provider Agent 22
Market Broker Agent 23
Work-flow Agent 24
Chapter 3 Experiment and Discussion 29
3.1 Implementation 29
3.2 Experimant and Discussion 31
Chapter 4 Conclusion and Future Work 38
Reference 41
Appendix The Work-flow Representation XML Content 43
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19.Java Agent Development Framework, http://jade.tilab.com/
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