April 2008 - InfoLab€¦ · 1. Multiple Clients / Single Server . 2008, 21 April CSCI585 -...
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2008 , 21 April CSCI585 - Distributed Databases Distributed Databases by Farnoush Banaei-Kashani Excerpt from “Principles of Distributed Database Systems” by M. Tamer Özsu and Patrick Valduriez
Transcript of April 2008 - InfoLab€¦ · 1. Multiple Clients / Single Server . 2008, 21 April CSCI585 -...
2008, 21 April CSCI585 - Distributed Databases
Distributed Databases
by Farnoush Banaei-Kashani
Excerpt from “Principles of Distributed Database Systems”by M. Tamer Özsu and Patrick Valduriez
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File Systems
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Database Management System
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Motivation
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Distributed DBMS – Reality
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Distributed Database – User View
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Applications – First Generation
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Applications – Second Generation
� Sensor Databases
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Applications – Second Generation
http://www.greatduckisland.net/
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Applications – Second Generation
� Peer-to-Peer Databases
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Applications – Second Generation
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insert(K1,V1)
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Applications – Second Generation
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insert(K1,V1)
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Applications – Second Generation
(K1,V1)
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Applications – Second Generation
retrieve (K1)
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Applications – Second Generation
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Applications – Second Generation
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Topics
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Topics
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Outline
� Definition and Differentiation � Promises and Challenges� Architecture Alternatives
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Distributed Computing
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What is distributed …
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What is Distributed Database System?
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What is not a DDBS?
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What else is not a DDBS?
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Centralized DBMS on Network
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Distributed DBMS Environment
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What else is not a DDBS?
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Shared-Memory Architecture
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Shared-Disk Architecture
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Shared-Nothing Architecture
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Outline
� Definition and Differentiation � Promises and Challenges� Architecture Alternatives
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Distributed Database Promises
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Example
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Example
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Transparency
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Distributed DBMS – Reality
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Distributed Database – User View
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Distributed Database Promises
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Distributed Database Promises
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Performance Improvement
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Parallelism Requirements
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Distributed Database Promises
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Distributed Database Promises
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Outline
� Definition and Differentiation � Promises and Challenges� Architecture Alternatives
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Standard ANSI Database Architecture
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Dimensions of the Problem
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DBMS Architecture Alternatives
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1. Multiple Clients / Single Server
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1'. Multiple Clients / Multiple Server
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2. Datalogical Distributed Database Architecture
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3. Datalogical Multi-DBMS Architecture
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Global Directory - Design Dimensions
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Next: Focus Issues
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References
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References
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References
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References
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References
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References
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References
