{"id":6599,"date":"2026-09-15T01:05:46","date_gmt":"2026-09-15T08:05:46","guid":{"rendered":"https:\/\/xlc.com\/glossary\/cloud-network\/"},"modified":"2026-09-15T01:05:46","modified_gmt":"2026-09-15T08:05:46","slug":"cloud-network","status":"publish","type":"glossary","link":"https:\/\/xlc.com\/jp\/glossary\/cloud-network\/","title":{"rendered":"Cloud Network"},"content":{"rendered":"<p><!-- CMS rich text: paste standard H2-H5, P, UL, OL, blockquote, image, and table HTML directly. --><\/p>\n<p>In simple terms, a cloud network provides the connectivity layer that allows cloud resources to exchange data, communicate with users, and connect with external systems.<\/p>\n<p>Cloud networks use software-defined networking technologies to manage virtual network resources while relying on underlying physical infrastructure.<\/p>\n<p>They are commonly used in public cloud, private cloud, and hybrid environments where applications and services require flexible, scalable, and controlled connectivity.<\/p>\n<h2>Cloud Network Explained<\/h2>\n<p>A cloud network connects different resources inside and outside a cloud environment.<\/p>\n<p>These resources may include:<\/p>\n<ul>\n<li>applications;<\/li>\n<li>virtual servers;<\/li>\n<li>databases;<\/li>\n<li>storage systems;<\/li>\n<li>external users;<\/li>\n<li>private infrastructure;<\/li>\n<li>third-party services.<\/li>\n<\/ul>\n<p>Instead of managing every connection through physical networking equipment, cloud networks allow organizations to create and manage logical network environments through software.<\/p>\n<p>This provides greater flexibility when deploying applications, adjusting resources, and connecting different parts of an infrastructure.<\/p>\n<h2>Key Takeaways<\/h2>\n<ul>\n<li>A cloud network is a virtualized network environment used for cloud connectivity.<\/li>\n<li>It allows applications, servers, and services to communicate.<\/li>\n<li>Cloud networks use software-defined networking technologies.<\/li>\n<li>They support public cloud, private cloud, and hybrid infrastructure.<\/li>\n<li>Cloud networking helps organizations manage connectivity, routing, and access control.<\/li>\n<\/ul>\n<h2>How Does a Cloud Network Work?<\/h2>\n<p>A cloud network works by creating virtual networking environments on top of physical infrastructure.<\/p>\n<p>Cloud platforms use virtualization technologies to create logical networks where organizations can define:<\/p>\n<ul>\n<li>network segments;<\/li>\n<li>IP addressing;<\/li>\n<li>routing rules;<\/li>\n<li>access permissions;<\/li>\n<li>security controls.<\/li>\n<\/ul>\n<p>When an application sends data, the cloud network determines how traffic moves between different resources.<\/p>\n<p>For example, a web application may need to communicate with a database, storage system, and external users. The cloud network manages these connections and controls how traffic flows between them.<\/p>\n<h2>Key Components of a Cloud Network<\/h2>\n<h3>Virtual Networks<\/h3>\n<p>Virtual networks create isolated environments where cloud resources can communicate.<\/p>\n<p>They allow organizations to separate workloads, control access, and organize infrastructure according to business or technical requirements.<\/p>\n<h3>Routing and Traffic Management<\/h3>\n<p>Routing determines how data moves between different resources and locations.<\/p>\n<p>Cloud networks use routing rules to control communication between applications, servers, databases, and external systems.<\/p>\n<h3>Security Controls<\/h3>\n<p>Security is an important part of cloud networking.<\/p>\n<p>Common controls include:<\/p>\n<ul>\n<li>network segmentation;<\/li>\n<li>firewalls;<\/li>\n<li>access rules;<\/li>\n<li>traffic filtering;<\/li>\n<li>private connections.<\/li>\n<\/ul>\n<p>These controls help organizations manage who can access resources and how systems communicate.<\/p>\n<h3>Connectivity Options<\/h3>\n<p>Cloud networks can connect different environments, including:<\/p>\n<ul>\n<li>cloud resources;<\/li>\n<li>dedicated infrastructure;<\/li>\n<li>enterprise networks;<\/li>\n<li>external services.<\/li>\n<\/ul>\n<p>For private connections between cloud platforms and infrastructure environments, XLC provides <a href=\"https:\/\/xlc.com\/jp\/cloud-network\/direct-cloud-connect\/\">Direct Cloud Connect<\/a> solutions that support reliable communication between different environments.<\/p>\n<h2>Cloud Network vs Traditional Network<\/h2>\n<p>Cloud networks and traditional networks serve the same purpose: enabling communication between systems.<\/p>\n<p>However, they differ in how resources are created and managed.<\/p>\n<table class=\"glossary-term-table\">\n<thead>\n<tr>\n<th>Characteristic<\/th>\n<th>Cloud Network<\/th>\n<th>Traditional Network<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Infrastructure<\/td>\n<td>Virtualized network resources<\/td>\n<td>Primarily physical equipment<\/td>\n<\/tr>\n<tr>\n<td>Management<\/td>\n<td>Software-based configuration<\/td>\n<td>Hardware-based management<\/td>\n<\/tr>\n<tr>\n<td>Scalability<\/td>\n<td>Flexible resource adjustment<\/td>\n<td>Often requires physical changes<\/td>\n<\/tr>\n<tr>\n<td>Deployment<\/td>\n<td>Faster provisioning<\/td>\n<td>Hardware setup may be required<\/td>\n<\/tr>\n<tr>\n<td>Control<\/td>\n<td>Managed through virtual networking tools<\/td>\n<td>Managed through physical devices<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Traditional networks remain important, but cloud networks provide additional flexibility for modern applications and distributed infrastructure.<\/p>\n<h2>Cloud Network vs Cloud Connectivity<\/h2>\n<p>Cloud network and cloud connectivity are related but describe different concepts.<\/p>\n<p>A cloud network refers to the internal networking environment that allows cloud resources to communicate with each other.<\/p>\n<p>Cloud connectivity refers to connections between cloud environments and external systems, such as:<\/p>\n<ul>\n<li>enterprise networks;<\/li>\n<li>dedicated infrastructure;<\/li>\n<li>data centers;<\/li>\n<li>other cloud platforms.<\/li>\n<\/ul>\n<p>For example, an organization may use a cloud network to connect applications inside a cloud environment while using dedicated connectivity solutions to connect that environment with external infrastructure.<\/p>\n<h2>Benefits of Cloud Networks<\/h2>\n<h3>Scalability<\/h3>\n<p>Cloud networks allow organizations to adjust connectivity and resources as application requirements change.<\/p>\n<h3>Flexibility<\/h3>\n<p>Virtual networking makes it easier to create, modify, and manage connections without relying only on physical infrastructure changes.<\/p>\n<h3>Hybrid Infrastructure Support<\/h3>\n<p>Cloud networks can connect cloud environments with dedicated servers, private infrastructure, and other systems.<\/p>\n<h3>Better Network Management<\/h3>\n<p>Organizations can control traffic flows, access permissions, and communication between different workloads.<\/p>\n<p>XLC&#8217;s <a href=\"https:\/\/xlc.com\/jp\/network\/\">global network<\/a> infrastructure includes multi-carrier connectivity, Tier 1 IP transit, internet exchange peering, and connectivity options designed for global infrastructure requirements.<\/p>\n<h2>Common Cloud Network Use Cases<\/h2>\n<h3>Hybrid Cloud<\/h3>\n<p>Organizations often combine cloud resources with dedicated infrastructure.<\/p>\n<p>Cloud networking allows these environments to communicate while maintaining control over connectivity and access.<\/p>\n<h3>Enterprise Applications<\/h3>\n<p>Businesses use cloud networks to support applications, databases, internal systems, and users across different locations.<\/p>\n<h3>Multi-Region Deployments<\/h3>\n<p>Companies operating across multiple regions use cloud networking to connect distributed resources and support global applications.<\/p>\n<h3>Data-Intensive Workloads<\/h3>\n<p>AI applications, analytics platforms, and other data-heavy workloads require reliable communication between computing and storage resources.<\/p>\n<h2>Cloud Networks and Dedicated Infrastructure<\/h2>\n<p>Many organizations combine cloud resources with dedicated infrastructure to create hybrid environments.<\/p>\n<p>In these setups, reliable connectivity between cloud platforms, servers, and other systems is essential.<\/p>\n<p>XLC supports infrastructure workloads through <a href=\"https:\/\/xlc.com\/jp\/dedicated-servers\/\">dedicated servers<\/a> designed for organizations running distributed environments.<\/p>\n<p><!-- End CMS rich text. 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