Compiled by: Jayakumar Balasubramanian Web:  http://www.jwritings.com Email:  [email_address]
Why layering ? <ul><li>Break-down of responsibilities </li></ul><ul><li>Making it simple </li></ul><ul><li>Network abstrac...
OSI Layers
TCP/IP Reference model
TCP/IP properties <ul><li>Flexible architecture </li></ul><ul><li>Backbone of modern Internet </li></ul><ul><li>Suite of p...
OSI and TCP/IP
Implementation details
Protocol data flow
Ethernet technology <ul><li>Popular LAN technology IEEE 802.3 </li></ul><ul><li>MAC and LLC layers </li></ul><ul><li>Varia...
Basics of addressing
Ethernet address and frame format <ul><li>48 bit MAC address </li></ul><ul><ul><li>Unicast  </li></ul></ul><ul><ul><li>Mul...
Internet Architecture <ul><li>Network abstraction </li></ul><ul><li>Dynamic path discovery </li></ul><ul><li>OS independen...
Internet backbone of Japan
Web  :  http://www.jwritings.com Email:  [email_address]
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Networking chapter II

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

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Networking chapter II

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