淺談網絡計算與應用.doc

淺談網絡計算與應用

摘要：作為一種新型的分布計算技術,網格計算將地理上分布的、異構的資源 用高速網絡連接在一起，集成一臺高速的超級計算機。分析了網格計算的意義、 體系結構、資源管理、任務管理與任務調度、高速通信和安全等核心技術，以及 網格應用實例和OGSI,并在資源管理方面提出了一種類似于搜索引擎技術組織 局部資源，各局部資源管理系統通過P2P結構互連,實現任務遷移，達到負載平衡, 并保證用戶提交的任務在一?組密集的資源集合上運行。網格計算的沙漏結構體 系，以及網格Z間存在的問題。并在此基礎上全面剖析了 OGSA網格技術標 準。圍繞OGSA的中心思想、結構和平臺組成展開討論。并設計了企業應用網 格計算的整合關鍵部分：發布和發現。

關鍵字：網格計算技術；計算節點；超級計算機；超處理能力；資源管理OG SA網絡服務企業應用

Abstract: Grid computing is a new distributed technology, which connects distributed and heterogeneons resources with high-speed network integrating a super computer of processing capacity? The paper not only explain significanee and architecture of grid computing, but also expand on several kernel technology such as OGS1, resource management, task management, task scheduling , high rate communication, security, ect. Aiming at the particularity of the grid computing environmerits, We designed a mechanism similar to technology of search engine with which we may registry, discovery, locate resources in Grid. The whole model of resource management is built by connecting task manager in local resource management system and others with P2P model. Task may migrate among task managers in order to balanee load? Task users summit may be executed in relatively tight resource sets, which will not only decrease the total comm uni cation overheads of the whole task but also enhance the performance of system? Then , we analyze the new Standardof the Grid: OGSA. In the endof thisarticle 、 we design the keypartsof Grid computing in enterprises application: thefunctionof dispatch and thefindfor the Grid service.

Key words: grid computing technology； computing knot； supercomputer； supe r processing capacity； resource management OGSA , Gridservice , Enterprise Applicati on

目錄：

TOC \o "1-5" \h \z HYPERLINK \l "bookmark6" \o "Current Document" \h 第一章引言2

HYPERLINK \l "bookmark8" \o "Current Document" \h 第二章網絡計算基礎2

HYPERLINK \l "bookmark10" \o "Current Document" \h 2. 1什么是網格計算3

2.2網格計算能做什么

2.3主要組成部分是什么

網格計算的標準

網格計算的標準

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總結

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