Telecommunications

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Telecommunications

• Introduction to telecommunication issues

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NewReality
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Digital Superhighway

• Bandwidth
• Last Mile delivery
• Ownership
• Fat or Thin Clients
• Content
• Retail and Business-to-Business

UNDER CON- STRUCTION
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Moores Law
Chip capacity doubles every 18 Months.
Bandwidth
Gordon Moore
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Standard Telephone System
Analog
Switch
Switch
Switch
Analog
Digital
Digital
Network
Network
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Telecommunications History

• Pre 1984
• Local and long distance monopoly
• 1984 ATT settlement
• Intense long distance competition
• 1996 Telecommunications Act
• Local access competition

Bandwidth
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The Telecom Wars
ATT MCI/Worldcom Sprint SBC GTE BT Cable
Wireless BellSouth Quest
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Telephone Changes

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

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Datagram Logic (IP)
Packet n
Packet 1
Packet 2
1
3
3
2
1
2
3
1
PAD
2
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• Telephone
• Reserved processing
• 56.6 Kb/sec data speed
• All traffic follows same route
• Route determined when call made
• Delay critical

• Internet
• Best effort processing
• Speed depends on traffic
• Packets follow different routes
• Routes determined as packets sent
• No delay control

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Bandwidth Needs

• Voice 56.6 Kbs
• Data 30KB 4.2 sec
• Image 500KB 70.7 sec
• Video 500 Kbs (heavily compressed)

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Access
Any time Any place Any way
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• Standard voice
• Integrated Services Digital Network
• Digital Subscriber Lines
• Cable Modem
• Direct network connection

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Desktop Control

• Who controls the desktop
• Standardization and version management
• Distribution
• Payment for access

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Mindshare
Ownership
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Client Focus
Bill Gates
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Net Focus
Larry Ellison
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Issue e-Business
Electronic Storefronts Business to Business
Content
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E-commerce
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(No Transcript)
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The Information Paradigm
? Profitability ? Impact on traditional
business ? Security ? Privacy