Basic HTML version of Foils prepared 5 February 98

Foil 102 SMDS - Switched Multi-megabit Data Services (3)

From Introduction to Networking Technologies CPS640 MultiMedia and Networking -- Spring Semester 1998. by Roman Markowski
1 SMDS vs. ATM:
  • ATM is one of technologies
  • SMDS is a service which can be provided by ATM, Frame Relay or can be offered without ATM.
  • SMDS is the first ATM service. It offers most of the same advantages as ATM
  • SMDS is data-only solution; adding time-sensitive application (audio, video) support can be relatively easy
  • SMDS and ATM cells are similar, but not quite the the same. Headers (5 bytes for ATM, 7 bytes for SMDS) must be translated
  • SMDS: connection-less; ATM: connection oriented
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