Basic HTML version of Foils prepared Dec. 6 98

Foil 17 Cellular - CDPD (1)

From Introduction to Network WANs Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
1 CDPD - Cellular Digital Packet Data
  • rate: 19.2 Kbps
  • digital transmission
  • runs over existing mobile infrastructure
  • uses its own suite of protocols to encapsulate TCP/IP data over the airlink
  • higher reliability, better security
  • based on TCP/IP - easy integration with Internet
  • during activation carrier assigns IP ADDRESS
  • not recommended for Web browsing (rather for short messages, e-mail, web pages without graphics)
  • security based on public key negotiation and RC-4 encryption
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