Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

project on inet

222 views

Published on

Published in: Education, Technology, Business
  • Be the first to comment

  • Be the first to like this

project on inet

  1. 1. The Internet MONIKA
  2. 2. What is Internet
  3. 3. Beginning of Internet
  4. 4. Local Area Networks  High Speed office networks  Ethernet - 10 / 100 Mbps broadcast  Token Ring 4 / 16 Mbps ring  FDDI 100Mbps ring
  5. 5. Internetworking  Linking Local Area Networks Internetwork Domain
  6. 6. Spreads Via………………………
  7. 7. The Internet - Hosts & Routers  Hosts  generate packets  retain packet until acknowledged by destination  retransmit packet is assumed lost  Routers  switch packets  inspect packet header  decode destination address  lookup address table of destinations  transmit packet on next hop  or drop packets!
  8. 8. The Internet 233 Countries 50+ Million Users A network is added to “the net” every 20 minutes.
  9. 9. The Internet Service Model Internet Applications operate host to host Data Path Internetwork Domain
  10. 10. Some Internet Services
  11. 11. Some Internet Services
  12. 12. TCP/IP vs Telephony  switching data packets, not dedicated analogue circuits  adaptive flow control, not real time flow  end to end absolute data integrity, not data distortion  No defined level of service  No coherent service provider structure  No coherent administrative structure
  13. 13. The Internet World  Communications capabilities as software loaded into the end device  The end devices control the information flow across the network  The network is just a “dumb” switch  The services are loaded into the end devices  Every receiver is a transmitter!
  14. 14. The Internet Environment  Distributed information environment  Diversity of consumer access devices  Ubiquitous network service  end-to-end service model
  15. 15. The Active Communications Model  Capable user devices which can generate and receive services  Passive Data Transmission Network
  16. 16. Internet Growth
  17. 17. International Internet Capacity - A Selection of Projections Linear Thinking in a Non-linear Era Today Sydney 2000 Total 10GB/s Anticipated Pessimistic All Peak 5 Telephone X 10 Bandwidth Traffic trend of Internet 1GB/s 1 projections 698 ~4Q1998 444 X 10 x 400 562 155 155 122 100MB/s 95 All 83 81 68 60 Internet 36 Today 32 X 10 Traffic 24 27 16 24 11 10MB/s 10 7 6 Sources 5 AV-CC “Charging Proposals for AARNet” Aug 94 X 10 AARNet acquisition business case projections Sep 94 1.5 Projection by Telstra Internet & NTG (Donnelly / Kennelly) Sep 95 Former IBU International Wholesale Product Management Sep 95 1MB/s International Engineering (Kennedy) 1996 Capacity currently booked by Telstra Internet Jun 96 Concert - MCI proposal Jun 96 X 10 NTG Strategic Development Unit Jun 96 Actual historical growth 100kB/s 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008
  18. 18. Futures

×