Routing protocols: Select the best path to reach the destination.

Mumbai to Delhi

Routing protocols: Select the best path to reach the destination.



Airways       2 hrs    10
Railways   15 hrs    40
Roadways    48 hrs    80

Administrative distance = Trustworthiness
Lower the value best is the performance
Higher the value poor the performance


Routing Protocols

RIp    120
igrp    100
eigrp    90
isis    115
ospf    110
bgp    200 for ibgp
bgp     20 for ebgp


Routed protocols: They carry the data from source to destination via the best path selected by the routing protocols.
aeroplane
train
bus, car


ip
ipx
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