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Telecommunications

Telecommunications. Introduction to telecommunication issues. New Reality. Digital Superhighway. Bandwidth Last Mile delivery Ownership Fat or Thin Clients Content Retail and Business-to-Business. UNDER CON- STRUCTION. Moore’s Law. Chip capacity doubles every 18 Months. Bandwidth.

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Telecommunications

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  1. Telecommunications Introduction to telecommunication issues

  2. NewReality

  3. Digital Superhighway Bandwidth Last Mile delivery Ownership Fat or Thin Clients Content Retail and Business-to-Business UNDER CON- STRUCTION

  4. Moore’s Law Chip capacity doubles every 18 Months. Bandwidth Gordon Moore

  5. Modem Standard Telephone System Analog Switch Switch Switch Analog Digital Digital Network Network

  6. Telecommunications History • Pre 1984 Local and long distance monopoly • 1984 AT&T settlement Intense long distance competition • 1996 Telecommunications Act Local access competition Bandwidth

  7. The Telecom Wars AT&T MCI/Worldcom Sprint SBC GTE BT Cable & Wireless BellSouth Quest • • •

  8. Telephone Changes • Rapidly decreasing long distance rates • Value added telephone services • Cellular access • Flat rate long distance? • Internet access

  9. Datagram Logic (IP) Packet n Packet 2 Packet 1 1 3 2 3 1 2 3 1 PAD 2

  10. Internet • Best effort processing • Speed depends on traffic • Packets follow different routes • Routes determined as packets sent • No delay control Telephone • Reserved processing • 56.6 Kb/sec data speed • All traffic follows same route • Route determined when call made • Delay critical

  11. Bandwidth Needs • Voice: 56.6 Kbs • Data: 30KB = 4.2 sec • Image: 500KB = 70.7 sec • Video: 500 Kbs (heavily compressed)

  12. Access Any time Any place Any way

  13. Standard voice • Integrated Services Digital Network • Digital Subscriber Lines • Cable Modem • Direct network connection

  14. Desktop Control • Who controls the desktop • Standardization and version management • Distribution • Payment for access

  15. Mindshare Ownership

  16. Client Focus Bill Gates

  17. Net Focus Larry Ellison

  18. The Information Paradigm ? Profitability ? Impact on traditional business ? Security ? Privacy

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