{"id":182397,"date":"2024-03-28T08:22:00","date_gmt":"2024-03-28T07:22:00","guid":{"rendered":"https:\/\/datascientest.com\/en\/?p=182397"},"modified":"2024-03-09T20:49:08","modified_gmt":"2024-03-09T19:49:08","slug":"understanding-lan-local-area-network-definition-and-functionality-explained","status":"publish","type":"post","link":"https:\/\/datascientest.com\/en\/understanding-lan-local-area-network-definition-and-functionality-explained","title":{"rendered":"Understanding LAN (Local Area Network): Definition and Functionality Explained"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"182397\" class=\"elementor elementor-182397\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-28c5192 e-flex e-con-boxed e-con\" data-id=\"28c5192\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-296b1b0 elementor-widget elementor-widget-heading\" data-id=\"296b1b0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">Whether in a multi-storey commercial building or a single-family home, all devices in the area are connected to each other. How is this possible? Thanks to the<b> Local Area Network (LAN). <\/b>Datascientest explains everything you need to know about the LAN.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-792ae5e e-flex e-con-boxed e-con\" data-id=\"792ae5e\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce18a15 elementor-widget elementor-widget-heading\" data-id=\"ce18a15\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What is Local Area Network LAN?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8381b05 elementor-widget elementor-widget-text-editor\" data-id=\"8381b05\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><strong>LAN stands for Local Area Network.<\/strong> In concrete terms, it&#8217;s a computer network where all the terminals are in the same place. For example, all the computers, printers, cables, access points, switches, routers, etc. located within a building.<\/p><p>The idea is to connect devices located in a single, limited area. This facilitates communication between <strong>network nodes and resource sharing.<\/strong> And that&#8217;s regardless of the size of the area covered.<\/p><p>So LANs work just as well for a home network with two or three users as they do for a corporate network with thousands of employees. In fact, on a corporate scale, LANs are also known as enterprise LANs.<\/p><p><strong>LANs<\/strong> were developed in the 1960s for colleges, universities and research centers. The idea was to facilitate connections between computers in these educational facilities. But with the development of Ethernet technology (in 1973), LANs became widespread: in businesses, restaurants, caf\u00e9s&#8230;<\/p><p>Good to know: LANs are distinct from wide area networks (WANs) or metropolitan area networks (MANs), which cover much larger geographical areas. However, <strong>WANs and MANs can also link several LANs together.<\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a05b43d elementor-widget elementor-widget-image\" data-id=\"a05b43d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/09\/Local-Area-Network-1.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2bdda81 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"2bdda81\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/en\/data-courses\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn all about LAN<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d72c5a5 e-flex e-con-boxed e-con\" data-id=\"d72c5a5\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-28dbf53 elementor-widget elementor-widget-heading\" data-id=\"28dbf53\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How does LAN work?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-586b7e0 elementor-widget elementor-widget-heading\" data-id=\"586b7e0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-medium\">Wired or wireless LAN<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e3a0752 elementor-widget elementor-widget-text-editor\" data-id=\"e3a0752\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Originally, the LAN consisted solely of a group of computers and peripherals sharing a common communication line (thanks to Ethernet). Later, the development of Wi-Fi facilitated wireless links with a server (known as WLAN). Businesses and home users can now choose between wired and wireless LANs. But generally speaking, a wireless LAN is preferable to a wired LAN connection, since there&#8217;s no need to install cabling throughout a building. This makes the wireless version much more flexible and economical.<\/p><p>LAN networks of any kind need the following components to function:<\/p><ul><li>switches ;<\/li><li>routers (only for large LANs, to rationalize traffic flows) ;<\/li><li>Ethernet cables, which serve as a shared medium for the various devices (only for wired networks).<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c58d78f elementor-widget elementor-widget-text-editor\" data-id=\"c58d78f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>This is the configuration that connects terminals, servers and other devices to the corporate or home network.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5734e6e elementor-widget elementor-widget-heading\" data-id=\"5734e6e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-medium\">Virtual LANs<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa25087 elementor-widget elementor-widget-text-editor\" data-id=\"aa25087\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>In companies with several hundred or even several thousand employees, the<strong> LAN must be capable of connecting thousands of devices.<\/strong><\/p><p>But if too many devices are connected to a single LAN, the volume of traffic can create congestion and bottlenecks.<\/p><p>The<strong> classic LAN configuration<\/strong> with Ethernet\/Wifi and switches then seems insufficient. Instead, it&#8217;s best to divide up the volume of broadcast traffic. This is where virtual local area networks (VLANs) come into play. In this way, traffic is distributed across multiple VLANs, without the need for major changes to the IT infrastructure.<\/p><p>VLANs are widely used in companies, especially those with different departments (accounting, marketing, IT, finance, etc.) spread over several floors or large areas. With VLAN, all devices are connected to the same switch to facilitate collaboration between teams. At the same time, networks are segmented so that each employee can adapt their use to their specific needs.<\/p><p><a href=\"https:\/\/datascientest.com\/en\/cloud-administrator-exploring-roles-salary-trends-and-training-pathways\">Most corporate networks<\/a> are divided into hundreds of VLANs to limit broadcast overload and performance problems.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f045b88 e-flex e-con-boxed e-con\" data-id=\"f045b88\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-283a3d2 elementor-widget elementor-widget-heading\" data-id=\"283a3d2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What are the advantages of LAN?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-191f045 elementor-widget elementor-widget-text-editor\" data-id=\"191f045\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The main advantage of LANs is to facilitate connection between devices. Whatever they may be. PCs, printers, telephones, TVs, speakers, lighting, thermostats, blinds and even coffee makers can all be connected. Network users can share files securely, print documents or control room temperature.<\/p><p>In addition to these everyday uses, here are the benefits of LAN technologies for businesses:<\/p><ul><li><a href=\"https:\/\/datascientest.com\/en\/couchbase-the-data-storage-alternative-to-mongodb\">Data storage<\/a> in a centralized location;<\/li><li>Sharing a single Internet connection between several LAN devices;<\/li><li>Protection of connected devices thanks to <a href=\"https:\/\/datascientest.com\/en\/aws-elastic-load-balancer-the-solution-that-distributes-network-traffic\">network security<\/a> tools.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-312eb20 elementor-widget elementor-widget-image\" data-id=\"312eb20\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/09\/Local-Area-Network-2.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81cd1f5 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"81cd1f5\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/en\/data-courses\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Starting a network training course<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7e0976e e-flex e-con-boxed e-con\" data-id=\"7e0976e\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eca20e elementor-widget elementor-widget-heading\" data-id=\"9eca20e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Things to remember :<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93689ad elementor-widget elementor-widget-text-editor\" data-id=\"93689ad\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li style=\"font-weight: 400;\" aria-level=\"1\">LAN is the network that connects all devices located within a limited geographical area. <br \/>LANs can be wired (using Ethernet) or wireless (using WiFi).<\/li><li style=\"font-weight: 400;\" aria-level=\"1\">But when there are several hundred workstations to connect, these configurations prove insufficient. That&#8217;s why companies also use virtual local area networks (VLANs).<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-671cb90 e-flex e-con-boxed e-con\" data-id=\"671cb90\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a599e2f elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"a599e2f\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/en\/data-courses\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Become a LAN expert<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4083f4b elementor-widget elementor-widget-html\" data-id=\"4083f4b\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [{\n    \"@type\": \"Question\",\n    \"name\": \"What is Local Area Network LAN?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"LAN stands for Local Area Network. 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What is Local Area Network LAN? LAN stands for Local Area Network. In concrete [&hellip;]<\/p>\n","protected":false},"author":67,"featured_media":182401,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2425],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Understanding LAN (Local Area Network): Definition and Functionality Explained<\/title>\n<meta name=\"description\" content=\"Explore the concept of LAN (Local Area Network) and its operational principles. 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