Why is AnycastCDN recommended for static files up to 20MB and why use VideoCDN for larger content?

One of the core CDN services is Anycast. Its role is to redirect incoming requests to the appropriate data center in such a way as to maximize the efficiency of incoming traffic. Managing inquiries for other roles, including counteracting network overload, returning from DDoS attacks, or infrastructure resistance to heavy traffic.

The second component is VideoCDN, which has formed a key role in streaming data and video files. It is mainly related to the trends in the distribution and assimilation of information on the Internet.

Some questions can be found here – why is AnycastCDN recommended for static files up to 20MB? Why Use VideoCDN for More Content? How does BlazingCDN address these needs?

Anycast and static content

Anycast CDN configures incoming requests in responses. The primary purpose is to introduce delays in sending replies. This feature allows you to check the data of a data center next to your home area, thus reducing response time. This plays a role when the trial period has multiple requests to the original server. The solution is to help you save improvements and savings. For this purpose, data is used by the centers available in the network, where the servers will efficiently handle the traffic and ensure the continuity of service delivery to end customers.

So why is Anycast recommended for static files up to 20MB? Static content is a type of resource on a page that doesn’t change – images, JavaScript, and CSS. Therefore, the place is to make them available directly via the www server or CDN. It stems from three elements:

  • most of the static files weigh up to 20 MB,
  • larger files would affect the speed and performance of the product,
  • handling static content usually means no bandwidth usage – 80-90% of end-user response time from downloading page files, visiting images.

It’s worth considering that receiving two HTTP requests and two connections may increase by increasing overhead compared to a single request with more latency. Separating static files into hosts for images, CSS, and JavaScript (which are of different sizes) can visibly improve the speed of your website.

Static content and the CDN role

Moving static resources to a CDN can drastically reduce your monthly infrastructure expenses. In addition to reducing bandwidth costs, a CDN can lower server costs by reducing the load on origin servers, allowing you to scale your existing infrastructure. Lastly, some CDN providers offer fixed-price monthly billing, which will enable you to turn variable monthly bandwidth usage into stable, predictable recurring expenses.

CDNs can reduce latency by caching static resources on edge servers closer to users. By reducing the distance between users and static content, you can deliver content faster and increase page loading speed. For sites that use a single origin server, these giant spikes in traffic can often overwhelm the system, resulting in unplanned downtime and downtime.

Within BlazingCDN, you can optimize static resource management in several ways. First, the deployment of PoPs allows for quick delivery of responses to requests at a low, unified rate, regardless of geographic location and the number of requests that come up. You can manage everything from the user panel in the section AnycastCDN -> Pull zone list, where you can set, among others, your preferences regarding caching, HTTP / HTTPS, SSL, domains, or hotlink protection. 

The role of VideoCDN

Pages that mainly serve video content require a lot of bandwidth. Here, delays in responding to requests or problems with loading time significantly affect the use of the service and keeping users with the brand. The forecasts also leave no illusions – 80% of network traffic is related to video streaming. In precisely the same proportion, people prefer to watch videos than read them, and 67% are the key to quality.

VideoCDN is nothing but a CDN network designed to handle video stream delivery. While most CDNs are capable of caching and delivering video content along with HTML, images, JavaScript, CSS stylesheets, and other web content, video CDNs can only be built for video streaming. A classic example of a company using this solution is Netflix.

Why to use VideoCDN?

Considering video content on the web, streaming is playing an increasingly important role here. Streaming continuously transfers the video files from the server to the client. However, streaming video is not sent to the user’s device as one continuous file. Instead, streaming video is broken down into smaller segments. Each segment is loaded and placed in the correct order by the user’s video player.

In a live broadcast, there is no saved version of the video ready to use. CDN buffers video segments as they are created in real-time, instead of buffering previously created video. The stream is then made available to viewers from the cache instead of directly from the stream source. Since the CDN is closer to the viewers than the origin server:

  • Handling a cached stream can reduce the round trip time (RTT) to and from the origin server.
  • In addition, using a CDN reduces the likelihood that bandwidth issues will slow down your live streaming for viewers.
  • The origin server is not overwhelmed.

CDNs can handle spikes in viewership and serve a larger than expected live audience. The service automatically uses BlazingCDN to scale live streaming on demand. It is also available as a secondary stream target for a subscription. These features allow content distributors to select one or more destinations – such as an external CDN – to broadcast live. This one-to-many approach provides easy scalability. It is enough to choose a package adequate to the required bandwidth to manage your video resources effectively.

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