ATM

Asynchronous Transfer Mode

• Legacy technology for telecommunications
• Backbone of PTS, ISDN
• Enabled the reliable delivery of voice, video, and data
• Frames were a fixed size of 56 bytes
  • All data is gonna be tini tiny
  • Real time applications will be getting the attention that they need
• Time Division Multiplexing (TDM)
  • Allow multiple users to use one resource
• Quality of Service
  • First in First out is the opposite idea of QoS.
• Very fast for its time (155 Mbps vs. 1,544)