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Network Layer - Coggle Diagram
Network Layer
purpose
processing
datagram
receiver
decapsulate
datagram
sends to transport layer
sender
encapsulate segment into
datagram
forwarding
received from link
decide to forward to which link
routing
compute which route to take
implemented on
hosts
routers
forwarding
routing
datagram/packet
contains
segment
contains
pdu
sender ip address
receiver ip address
datagram forwarding table
also known as routing table
router
components
input ports
act as physical layer
act as link layer
identifies the packet data
switching fabric
main purpose
pass data from input port to output port
types
via memory
via shared bus
output ports