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Client-Server and P2P Networks

Client-Server and P2P Networks. Chapter 3. This presentation covers:. The advantages and disadvantages of: Client-Server Networks & Peer-to-Peer Networks. Introduction. Different types of networks have different needs.

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Client-Server and P2P Networks

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  1. Client-Server and P2P Networks Chapter 3

  2. This presentation covers: • The advantages and disadvantages of: • Client-Server Networks & • Peer-to-Peer Networks

  3. Introduction • Different types of networks have different needs. • These needs are based on the size of the network and the types of data that need to be transmitted from one computer to another. • The size of an organisation can determine the type of network used also.

  4. Client-Server Network • Often found in Medium to Larger sized organisations • At least one computer acts as a server which controls: • File storage • Back-up • Application sharing • Printer management • All clients connect to the server via a network device such as a switch. • Clients are required to log on to the server using methods such as: • Username and Password • Biometric recognition • Swipe cards

  5. Client-Server Network Server

  6. Client-Server Network • Large organisations are likely to have more than one server. • Each server carries out a different role on the network: • Manage printing • Manage email • Manage files • Once connected to the servers clients will have access to features such as: • Dedicated storage • Files (if the user has the access rights) • Software used within the company • Peripheral devices such as printers and scanners (if connected)

  7. Peer-to-Peer (P2P) • P2P networks require no server. • Each connected computer performs its own functions but can share files and resources. • Each computer is considered equal to it’s peers. • These types of networks are usually found in the home or in smaller organisations and are much easier to set up compared to Client-Server networks.

  8. Peer-to-Peer (P2P)

  9. Peer-to-Peer (P2P) and Piracy • P2P networks have been at the forefront of piracy battles between entertainment companies and those who download their products illegally. • Applications such as BitTorrent and Limewire have allowed people to share and download entertainment free of charge very easily.

  10. Peer-to-Peer (P2P) and Piracy • Originally BitTorrent was developed to share files easily over networks. • However, the benefits of this technology was soon exploited by file sharers to pirate music, films and even games across the Internet. • This has led some entertainment organisations, such as Sony, to take some controversial steps in protecting their media. • For instance, they shipped out their music CDs with a piece of software that secretly installed on your computer that prevented you from copying the CD.

  11. Advantages and Disadvantages

  12. Advantages and Disadvantages

  13. Advantages and Disadvantages

  14. Questions • Describe three advantages of networking computers. • What is the main difference between a client-server and a P2P network? • Describe two disadvantages of a client-server network. • Describe two disadvantages of a P2P network. • Describe two advantages of a P2P network.

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