Networks and Communication Part C

Networks and Communication Part C

1. Client-Server Network

   • The clients are linked to the server and the server handles; File Storage, Backup, Application Sharing, Printer Management.
   • They are connected via a communication device.
   • Passwords are needed in order to gain access to the resources such as files and printers.
   • These users get a certain amount of storage space, the printers, files (these can be locked for certain users) and software on the server
   • The antivirus software is managed centrally which means that it is safer, although it does need specialist staff

2. Peer-to-peer Networks

   • A peer to peer network does not have a central server
   • Each of the computers have their own software installed on the computer
   • It is easier to set up and maintain for a user that does not have specialist help. This is why it is commonly found in homes and small offices.
   • In a peer to peer network there is no leader that acts as a server as there is no server role.

3. Advantage and Disadvantage

   • Advantage for Client-Based
     • Backups are made centrally so the users don't have to think about them
     • Antivirus software is taken care of centrally
     • There is more processing power available to the client as the network processing is done centrally
     • File sharing is available, as is sharing of resources such as printers and software
   • Disadvantage for Client-Based
     • If the server fails then all of the files are inaccessible
     • A specialist network manager is a necessity
     • There can be lots of network traffic if lots of applications are run from the server
     • The hardware is expensive
   • Advantage for Peer-to-Peer
     • There is no reliance on a server, only the resources on a particular computer are lost
     • This type of network can be set up by a non-specialist
     • No very expensive hardware neeeded
   • Disadvantages for Peer-to-Peer
     • The responsibility of backups and maintaining antivirus software is on the user
     • Processing is done by each client
     • Software needs to be installed on each computer