4.3.1 - Networks - Peer to Peer and Client Server Networks

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  • Created by: Annie
  • Created on: 07-05-13 18:27
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  • Client Server & Peer to Peer Networks
  • Peer to Peer
    • Client Server & Peer to Peer Networks
    • Advantages
      • Because there is no reliance on a central server, only parts of a network will break down at one rime rather than the central server which will stop all activity
      • No network management needed
      • High ability users can choose for themselves which resources they want to use
      • They are quite simple to set up using wizards by the OS
      • Good for home users to share files, printers (etc) as no server is needed
        • Home users don't often need strong security
    • All PCs have equal access to storage on other PCs, printers, scanners, WAN connections (Internet)
    • No central storage
      • Often used for illegal file sharing activity because there is no central server to shut down by governments or copyright holders
    • Disadvantages
      • Computers will run slowly if accessed for files by other users
        • Standard PCs are not designed for multiple users whereas servers are
      • Backups need to made on each individual computer
      • Regular training is required for all users
        • P2P networks are controlled by computers & their users, one mistake can hold up the whole network
      • High level security cannot be reached
      • Designed for limited number of computers only
        • Will start to have issues once the number of computers is over 15
    • Each computer has the same status
      • No central control
      • Connected through a switch
    • Used mainly for small groups
  • Client Server
    • Software is typically stored on the server as an "installation package" so it can be installed quickly on to any connected PC
    • All computers have a level of access determined by the user account which is logged in
    • A central server holds all the user files
    • The server requires maintenance
      • A network manager is usually employed to do this
    • Separate PCs are connected to the server through a switch
    • The server is a power computer with large storage capacity for users files
      • Parallel processing to handle rapid responses to multiple requests
    • Advantages
      • Possible to share files between users and have private files too
      • Central backups are possible
        • Less likely to fail
      • Software updates can be readily rolled out to connected PCs
      • Less able users are not able to affect other users through lack of knowledge
      • Specialised specification of a server enables users to get fast responses to file and printing requests
      • Much higher security is possible
        • Only one person needs to be responsible
    • Disadvantages
      • Expertise needed to manage such a network takes time to acquire and mistakes will affect all users
      • Network operating system needs to be able to manage user rights
        • This can be complex especially for many groups with different access rights
      • Much more expensive due to servers and network managers


Mr A Gibson

Number three of four Mind Maps related to networking. This one covers the differences between peer-to-peer and server client networks.

Resource 1 - 4.3.1 - Networks (1)

Resource 2 - 4.3.1 - Networks - Software Components

Resource 3 - 4.3.1 - Networks - Peer to Peer and Client Server Networks - this resource

Resource 4 - 4.3.1 - Networks - Wireless Networking

Print these off and stick them on your wall!

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