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IP Address Allocation
5-3
8000-A2-GB21-30
April 1998
Host Addressing
Host addresses within the service domain are assigned to end-user systems.
Because they are host addresses, they have a subnet mask of 255.255.255.255
and can be geographically dispersed. (When structured subnet addressing is
discussed in the next section, you will see how IP addresses are allocated to
certain areas.) This conserves address space, but may not scale well to large
numbers of end-user systems. Manual configuration is required for every host
address and routing performance may be decreased.
The following illustration is an example of host addressing.
97-15501-0
1
DSL Card
DSL Port 1
DSL Port 2
DSL Port 3
DSL Port 4
LAN Port
200.200.200.
n
/
255.255.255.0
200.200.200.1 /
255.255.255.255
200.200.200.2 /
255.255.255.255
200.200.200.3 /
255.255.255.255
200.200.200.4 /
255.255.255.255
RTU1
RTU2
RTU3
RTU4
ES1
ES2
ES3
ES4
n
= Any valid IP address