The Principles of Computer networking

Whether you want to connect a few PC’s for file sharing and printer access or you wish to connect several business sites, using a Chicago computer networking professional can help you achieve your goal. On a larger scale, these networks can be used to comprise a wide area network (WAN) which encompasses a larger geographical space. Most common localized area networks (LANs) are used to connect users in a given set of locations for productivity, entertainment and communications purposes. This guide establishes the core principles behind LAN technology to help users better understand the networking process.

The Scope of Local Computer Networks


Local area networks can be used for many purposes including shared Internet access, file sharing, print sharing and several collaborative applications. LANs can be protected using firewalls which will limit the users that are authorized to enter your network from outside of the building.

The implementation of the LAN can vary greatly depending on the scope of the service. Often the devices on the LAN are connected via a wireless or wired connection to a single point such as a network switch. Importantly, companies and households are allowed to set individual computer level access to the network, ensuring that users only have access to the files and applications intended for their user. These features are very helpful limiting access to confidential data or keeping children off of the Internet when un-supervised.

Many companies have an intranet which allows multiple users to access shared services via a portal application. Additionally, access to extranets (such as web browsing) can be limited according to filters and parameters set by the network administrator.

Proper Implementation for a Local Area Network


On your LAN you can easily setup shared services such as file and print sharing. Devices can either be connected via a wireless router or hardwired using ethernet cabling. Due to advances in wireless technology and security, many companies choose wireless over wired applications.

Computers on the same local network are connected via a shared router, which broadcasts the signal to authorized machines. Since access to the LAN is password protected, individual users are able to access the shared resources only with proper authorization. Many networks today have specified public or shared drives which can be access universally on the server, providing an opportunity to easily collaborate, review and update documents across an organization. Each individual folder can be shared only with the people that require access to perform their job duties. Today’s complex networking software enables network administrators to connect remote machines in a secure manner to keep your business running smoothly.