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Networking Devices
 

Networking Devices

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    Networking Devices Networking Devices Presentation Transcript

    • Networking and Internetworking Devices ดร . อนันต์ ผลเพิ่ม Anan Phonphoem, Ph.D. [email_address] http://www.cpe.ku.ac.th/~anan Computer Engineering Department Kasetsart University, Bangkok, Thailand
    • Outline
      • Network Devices
        • Repeater/Hub/Bridge/Router/Gateway
      • Backbone Network
        • Bus/Star/VLAN
    • Connecting Devices Networking Devices Repeaters Bridges Internetworking Devices Routers Gateways
    • Connecting Devices Hub
    • Repeater
      • Extend the physical length
      • No network function has been changed
      • Location is matter
    • Function of repeater Repeater is not exactly as same as Amplifier
    • Hub
      • Actually is a multiport repeater
      • Star / Tree Topology
    • Bridge
    • Bridge
      • Divide a large network into smaller segment
      • Isolating and controlling the link problems (e.g. congestion)
      • Regenerate signal + Checking Physical Address and forward only to the specified segment
    • Function of a bridge
    • Multiport bridge
    • Routers
    • Routers in an internet
    • Routers
      • Act like stations on a network
      • Multi-home
      • Definition (Goal)
        • “ Learning how to get from here to there."
        • “ Process of discovering, selecting, and employing paths from one place to another (or to many others) in a network” [from David M. Piscitello, Bellcore and A. Lyman Chapin, BBN]
    • Routing Principle
      • Goal: Arriving at the destination
      • Considerations:
        • Direct route (shortest)
        • Reliable route
        • Cheap route
        • Safe route
        • Scenic route 
    • Gateways (protocol converter)
    • A gateway SNA network (IBM) Netware network (Novell)
    • Connecting Devices Networking Devices Repeaters Bridges Internetworking Devices Routers Gateways
    • Other devices
      • Multiprotocol routers
      • Brouters
      • Switches
      • Routing switches
    • Single VS. Multiprotocol router
    • Brouter
    • Backbone Network Bus Backbone Star Backbone
    • Connecting Remote LAN A point-to-point link acts as a LAN in a remote backbone connected by remote bridges
    • Virtual LAN (VLAN) VLANs create broadcast domains
    • VLAN with backbone switch