Table of ContentsData Link and Physical LayersPPT Slide Data Link and Physical Layers Medium Access Control Goals: Aloha Aloha model Can this possibly work? Probability of success A probability model Poisson Examples of the Poisson model Poisson model for Aloha Probability of success Throughput Aloha and its descendants Improving performance CSMA: Carrier Sense Multiple Access Add Collision Detection Ethernet/IEEE 802.3 Ethernet specification Scaling Scaling, mathematically speaking Scaling, continued Scaling: the bottom line The Token Ring Token Ring Frame Format The token Token Ring continued FDDI DQDB Error Control CRC CRC polynomial CRC checking Framing |
Author: Lillian N. Cassel
Email: cassel@acm.org Home Page: http://lcassel.csc.villanova.edu |