How to Organize Your Network

To break the larger network into smaller sub-networks is called subnets. Subnetting is the method of stealing bits from the HOST portion of an IP address. We end up with NETWORK SUBNET HOST fields after sub-netting. To identify the subnet and another one to identify the broadcast subnet address, we always reserve an IP address.
Subnets: Used for

To help minimize network congestion, subnets provide a way of organizing the network. It will help to group those sections into a single segment if you have a lot of traffic traveling between specific parts of your network, so the traffic does not have to move across the whole network to get from place to place. Separating small sections of the network into subnets helps traffic to flow quicker, inserting traffic where it is not required to avoid taking unnecessary routes.

Subnetting also helps to assign IP addresses easily and prevents vast numbers of IP addresses from being unused. For specific offices or specific teams within an organization, subnets are typically set up geographically to allow their network traffic to remain within the location.

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