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BDC5eChapter7 - Chapter 7 Client/Server Computing Business...

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Chapter 7: Client/Server Computing Business Data Communications, 5e
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What is Client/Server? Client Server Network How is client/server different from other distributed computing? Heavy reliance on user-friendly applications Emphasis on centralizing databases and management functions Commitment to openness/modularity Networking fundamental to operation
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Client-Server Environment
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Why is Client-Server Different? Emphasis on user-friendly client applications Focus on access to centralized databases Commitment to open and modular applications Networking is fundamental to the organization
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Client/Server Applications Emphasis on GUI for users Database Example Database on server, applications for access on client, “glue” (like SQL) enables requests) Application logic can be client-only, or split between client and server
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Classes of Client-Server Applications Host-based processing Server-based processing Client-based processing Cooperative processing “Fat client” vs “fat server”
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3-Tier Client/Server Architecture
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Middleware Standardized interfaces and protocols between clients and back-end databases Hides complexity of data sources from the
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