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Client/Server and Peer to Peer

Client/Server and Peer to Peer. National 4/5 Computing Science. 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. Client and Server Networks.

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Client/Server and Peer to Peer

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  1. Client/Server and Peer to Peer National 4/5 Computing Science

  2. 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

  3. 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…

  4. A sample Client Server network Web Server E-mail Server Client Client File Server

  5. 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

  6. 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

  7. 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!

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