Hierarchical Routing
Hierarchical routing
:
Routing
that is based on hierarchical addressing.
Note:
Most
Transmission Control Protocol
/
Internet Protocol
(
TCP/IP
) routing is based on a two-level hierarchical routing in which an IP
address
is divided into a
network
portion and a
host
portion. Gateways use only the network portion until an IP
datagram
reaches a
gateway
that can deliver it directly. Additional levels of hierarchical routing are introduced by the addition of subnetworks.
Source:
From
Federal Standard 1037C
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