To speed delivery of content, we must ensure that the data source is close to the end-user. By minimizing the distances between content and the user, site speed can be dramatically improved to improve the user experience and business perspective.
Basic of Content Delivery Network (CDN)
The Content Distribution Network (CDN) is primarily designed to reduce latency by bringing content closer to end-users. Imagine that you have uploaded content to servers located in the United States. UU. And this is for users in Asia. The latency will be important because of the many jumps that may be necessary for the content to reach users in Asia. However, if the same content is available on servers in Asia, the delivery will be much faster.
Content Delivery Network is a distributed network of Web servers that enables faster delivery of Web content, increasing the availability and speed of Web sites. Because original content is available as content copied over the network, end users can access content from a nearby CDN server. This greatly reduces the loads on the origin server because the number of users requesting content to a single server is greatly reduced.
CDN improves the optimal use of network resources while improving the user experience. Media companies or e-commerce companies contact CDN service providers to speed up the delivery of their content to end-users. CDN service providers must lease hosting provider services to host CDN servers in their data centers located at various locations, depending on the presence of end-users.
Significant features of CDN services
As stated earlier, the location of CDN servers is instrumental in creating a highly efficient network that effectively improves the availability and distribution of audience-referenced content. Since the fundamental purpose of a content delivery network is the instant delivery of the requested content, the delivery nodes contain cached content that runs one or more delivery applications and is placed near the end-users.
The basic functions of the storage node are to provide data to the cached content delivery nodes and to protect the source servers by implementing the content in the hierarchical model to facilitate level caching. Original nodes are the main nodes that store the content. The number of origin nodes can be increased to allow scalable and resilient operations. All CDN components, including management, routing, monitoring, are hosted on the control node.
CDN implementation typically runs across multiple sites and extends across multiple backbones to reduce bandwidth costs and improve page load times, as well as overall availability of content. Different forms of CDN architectures can be designed to meet individual workloads and needs.
Content delivery networks can primarily handle three types of content: static content, dynamic content, and streaming content. Static content is produced using standard programming languages, such as Java, PHP, or ruby, while static content such as CSS, images, and JavaScript are not associated with any changes. The demand for streaming content (audio or video files) is growing.
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