2. AUTONOMOUS SYSTEMS [ AS ] AND THE INTERNET.
❑ The notion of Autonomous System describes a
set of routers grouped in the same
administrative control, generally operated by an
ISP or a company network.
❑ So, we can see the whole of Internet as a
collection of such interlinked autonomous
systems.
❑ Generally all the routers will follow the same
routing algorithms inside the same Autonomous
system.
BY: PRINCE KUMAR 2
3. AUTONOMOUS SYSTEMS [ AS ] AND THE INTERNET.
ROUTING
INTER - AS INTRA - AS
BY: PRINCE KUMAR 3
4. AUTONOMOUS SYSTEMS [ AS ] AND THE INTERNET.
INTRA - AS INTER - AS
ROUTING INFORMATION PROTOCOL
OPEN SHORTEST PATH FIRST PROTOCOL
BORDER GATEWAY PROTOCOL
BY: PRINCE KUMAR 4
5. RIP vs OSPF.
RIP
DISTANCE VECTOR
BELLMAN - FORD
OSPF
LINK STATE
DIJKASTRA SHORTEST PATH
BY: PRINCE KUMAR 5
6. RIP vs OSPF.
RIP
HOPS COUNT [15 max]
OSPF
COST OR BANDWIDTH
OF LINKS
BY: PRINCE KUMAR 6