Telematics Chapter 6: Network Layer - Freie Universität Berlin

IP Subnets: Computation of the Destination
The entrance router of the FU Berlin, which receives the IP packet, does not know,
where host “117.200” is located.
160 45 117 200
IP address
Subnet mask
Network of the addressed host
0111 1000
10100000
00101101 01110101 11001000
255 255 224 0
1111 1111
1111 1111
1110 0000
0000 0000
160 45 96 0
10100000
00101101
AND
01100000
00000000
A router computes the subnet “160.45.96.0” and sends the packet to the router,
which links this subnet.
Univ.-Prof. Dr.-Ing. Jochen H. Schiller ▪ cst.mi.fu-berlin.de ▪ Telematics ▪ Chapter 6: Network Layer
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