Networking chapter II

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Networking slides (part - II) talks about OSI Layering and Internet Architecture

Networking slides (part - II) talks about OSI Layering and Internet Architecture

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Transcript

  • 1. Compiled by: Jayakumar Balasubramanian Web: http://www.jwritings.com Email: [email_address]
  • 2. Why layering ?
    • Break-down of responsibilities
    • Making it simple
    • Network abstraction
      • OS Independence
      • Hardware independence
      • Migration issues
    • Increase in network applications
  • 3. OSI Layers
  • 4. TCP/IP Reference model
  • 5. TCP/IP properties
    • Flexible architecture
    • Backbone of modern Internet
    • Suite of protocols
    • Well defined standards
    • Request For Comments (RFC)
  • 6. OSI and TCP/IP
  • 7. Implementation details
  • 8. Protocol data flow
  • 9. Ethernet technology
    • Popular LAN technology IEEE 802.3
    • MAC and LLC layers
    • Variants:
      • Thin-wire Ethernet
      • Co-axial cable
      • Twisted pair
    • LAN connectors
      • Switches and Hubs
      • Routers and Switches
    • MAC and LLC layers
  • 10. Basics of addressing
  • 11. Ethernet address and frame format
    • 48 bit MAC address
      • Unicast
      • Multicast
      • Broadcast
    • Ethernet frame fields
      • Preamble
      • Source & destination MAC address
      • Frame type
      • Data & MTU
      • CRC
  • 12. Internet Architecture
    • Network abstraction
    • Dynamic path discovery
    • OS independence
    • The ‘Unified’ and ‘All the same’ experience
    • The internet ‘Backbone’
  • 13. Internet backbone of Japan
  • 14. Web : http://www.jwritings.com Email: [email_address]