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Goals of this chapter: List the advantages of networked computing relative to standalone computing, distinguish between client/server and peer-to-peer networks, list elements common to all client/server networks, describe several specific uses for a network,. Inviting you to refer. | Why Use Networks Network - Group of computers and devices Connected by transmission media Stand-alone computer - Not connected to other computers - Uses local software and data Advantages of networks over standalone computers - Device sharing by multiple users Saves money and time - Central network management 9 7 2011 Goals of This Chapter List the advantages of networked computing relative to standalone computing Distinguish between client server and peer-to-peer networks List elements common to all client server networks Describe several specific uses for a network Identify some of the certifications available to networking professionals Identify the kinds of skills and specializations that will help you excel as a networking professional Types of Networks Models vary according to - Computer positioning - Control levels over shared resources - Communication and resource sharing schemes Network models - Peer-to-Peer - Client server 1 Peer-to-Peer Networks Advantages - Simple configuration - Inexpensive to set up Disadvantages - Not flexible - Not necessarily secure - Not practical for large installations 9 7 2011 Peer-to-Peer Networks Typical in a home with several computers Direct computer communication - Equal authority Individual resource sharing - May share resources - May prevent access to resources Each computer can send data to every other computer on the network Peer-to-Peer Networks Resource sharing method - Modify file sharing controls A user responsibility - Not centrally controlled Potential variations and security issues Environments - Small home or office - Large networks using the Internet Gnutella Freenet original Napster BitTorrent software 2 Obama s Helicopter Secrets Revealed Because of misconfigured peer-to-peer file sharing Link Ch 1a on the course Web page samsclass.info Click on CNIT 106 March 1st 2009 Marine One details leaked from P2P net Posted by Richard Koman March 1 2009 2 07 PM A company that monitors P2P networks says it found .
