c lient /s erver and p eer to p eer national 4/5 computing science
TRANSCRIPT
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CLIENT/SERVER AND PEER TO PEERNational 4/5 Computing Science
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LESSON AIMS By the end of this lesson you will be able to:
Describe what a peer to peer network is
Describe what a client server network is
Discuss the differences between them
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CLIENT AND SERVER NETWORKS
You are working on a client and server network Your machine is a CLIENT Your documents are stored and internet access is
managed through the schools SERVER
You connect to a server to use its resources This can vary depending on the server Might just be to store files…
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A SAMPLE CLIENT SERVER NETWORK
Client Client
E-mail Server
File Server
Web Server
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WHAT CAN A SERVER DO?
Servers can perform multiple roles – some are They can run email servers They can store files Control Internet Access Host Web Sites Control printing for multiple computers
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PEER TO PEER NETWORKS
You can run a peer to peer network A peer to peer network is where each computer
shares the functions/files of a network.
Peer to peer networks have advantages: Each computer has its own backing storage so
does not rely on an expensive server. No expensive server hardware or software to
purchase No complex server software to setup
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USES OF PEER TO PEER NETWORKS
Distributed downloading Where instead of downloading from one central
location you download pieces of a file from multiple machines
Can be used for legal AND illegal purposes The technology is legal! The files being shared may not be!