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What is Multi-CDN?
CDN services host your website or application files on a network of web servers distributed around the world. A single CDN implementation can drastically improve page load times, but on their own, they are inherently vulnerable to performance fluctuations and frequent outages.
Multi-CDN allows you to effectively double your coverage map, ensuring 100% uptime even during provider outages, as well as significant performance gains. Balance out a provider’s weaknesses with another vendor’s strengths --that way, you can be the fastest and enjoy 100% uptime across the globe.
Constellix uses real-time machine learning to dynamically route traffic to the best CDN for each user.
You don't need a CDN aggregator or Multi-CDN provider to get started. Just use your DNS provider, and enjoy complete control through a single interface.
A user makes a query for www.domain.com and the DNS provider answers with www record. In this case, the www record is a CNAME to a pool of multiple hostnames, each for different CDN providers.
The DNS provider uses internal logic to decide which CDN hostname to return. The decision can be based on hostname availability, response time, the location of the user, the user’s network, or a combination of these factors.
The “best” hostname for that user is returned to the resolver, which resolves the CNAME record, allowing the user to connect to the CDN and load the desired website files.