|Application support?||Asynchronous data NOT designed for voice.||Asynchronous data, synchronous voice, Video, and data.|
|Congestion management?||Yes, traffic tagging with discard eligibility, and possible traffic discard.||Yes, traffic tagging with cell loss priority, and possible traffic discard.|
|Method of identifying traffic?||Data link connection identified.||Virtual path and virtual channel identifiers.|
|Private Virtual Circuits?|
|Switched Virtual Circuits?|
|Congestion notification technique?||Backward and forward explicit congestion notifications.||Congestion notifications in the Payload Type Identifier.|
|LAN or WAN technology?|
|Packet Data Unit size?|
|Sequencing of traffic?|
Extracted from "Comparison of ATM and Frame Relay", Table 1-1, page 7, ATM Volume III by Uyless Black.
Prepared by Patrick Koehler
Date of Last Revision: 17 December 2001.