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Link Layer - Coggle Diagram
Link Layer
services
framing
wraps
datagram -> frame
adds into frame
MAC address
error detection code
flow control
error detection
error correction
half duplex / full duplex
where is it implemented?
every end-host
NIC adapter
bus host system
types of link
point to point
broadcast (shares cable, etc)
multiple access protocol
collisions
channel partitioning
TDMA
fixed slots
FDMA
frequency & spectrum
random access (send back on collission)
slotted ALOHA
unslotted ALOHA
CSMA
listens
only goes when dapet giliran
taking turns
circular token passing
MAC Address
what?
layer link address
1 network adapter address
contains
link & network layer address
Ethernet
what & why
LAN
types
star (switch)
self learning
switch table
transparent
transaction method
buffer packet
bus
fast & cheap
ethernet frame
ARP (Address Resolution Protocol
what?
given internet address, discover link layer address