Link Layer Services,Framing, link access,
Reliable delivery between two physically connected devices,
Flow Control,Error Detection,Error Correction,
Link Layer: Implementation,Error Detection,Parity Checking,
What is Internet checksum?,Checksumming:Cyclic Redundancy Check,
CRC Example,Multiple Access Links and Protocols,
Multiple Access protocols,MAC Protocols: a taxonomy,
1.Channel Partitioning,2.Random Access,3.Taking turns,
Channel Partitioning MAC protocols: TDMA,
TDMA: time division multiple access,Channel Partitioning
MAC protocols: FDMA(frequency division multiple access),
Channel Partitioning MAC protocols: FDMA etcdownload lecture now..
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