5: DataLink Layer5-1 Multiple Access Links and Protocols Two types of “links”: r point-to-point m PPP for dial-up access m point-to-point link between.
1 Announcement r Homework #3 was due last night r Homework #4 is out.
1 Random Access Protocols r When node has packet to send m transmit at full channel data rate R. m no a priori coordination among nodes two or more transmitting.
