How data flow from source to destination, Explain each step
from layer to layer?
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Answer Posted / nagaraju r
This is how data flow from Source to destination
Let us assume we are trying to send one attachment mail. we
login web email client using web browser where application
layer comes into picture. at the moment when we attach one
doc file of 512 kb presentation layer comes into picture
where presentation layer compress doc format to 300 kb and
hand over to transport layer where transport layer divides
300 kb of data in to segments and add sequence number to
each segments (this will help destination transport layer
to arrange in proper order) then Network layer ensapsulates
it in to IP packets/Datagram and route ip packets to
destination address, once destination router receives ip
packet it will decapsulates ip packet in to frame and
handover frame to data link layer where data link layer
carry the frames in to bits hand over to physical layer.
Physcial layer to Application layer.....this process
continues.....until communication ends.
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