Subnets divide networks into smaller parts from "summary" of Computer Networking Beginners Guide by Russell Scott
Subnets play a crucial role in network management by breaking down larger networks into smaller, more manageable parts. By dividing a network into subnets, administrators can improve overall performance and efficiency. Each subnet operates as its own network within the larger network, with its own unique address range. This segmentation helps to reduce network congestion and improve data transfer speeds. When a network is divided into subnets, each subnet can have its own set of rules and configurations. This allows for more granular control over network traffic and security settings. For example, administrators can apply different security policies to each subnet based on the specific needs of that part of the network. Subnetting also helps with network scalability. As a network grows, additional subnets can be created to accommodate new devices and users. This flexibility makes it easier to expand the network without causing disruptions to existing systems. Another benefit of subnetting is improved network organization. By grouping devices into smaller subnets based on location, function, or other criteria, administrators can better organize and manage network resources. This makes it easier to troubleshoot issues, monitor network performance, and allocate resources effectively. In summary, subnets divide networks into smaller parts to improve performance, security, scalability, and organization. By segmenting a network into subnets, administrators can better manage network traffic, apply customized security settings, scale the network as needed, and organize resources more effectively.
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