Points of presence
Points of presence, or PoPs, are geographically distributed physical CDN servers that cache and deliver content to end users. They reside in strategic geographic locations with efficient access to communication links, enabling content delivery via the shortest route with minimal latency.
The number and location of PoPs depend on the provider in use:
Yandex Cloud CDN
Yandex Cloud CDN provides access to 26 points of presence with a total throughput exceeding 3 Tbps.
Note
We are continuously developing and expanding the Yandex Cloud CDN network with new points of presence. For the current list of subnets, see Cloud CDN.
Apart from the number of PoPs, their proper placement and technical equipment are also critical.
The physical distance between geographic points on the map may vary greatly from the real path of an internet request. For example, two devices located in the same building but connected to different providers will exchange traffic via peering links between the providers. These peering links may be located in a different city or region.
Yandex Cloud CDN PoPs are deployed based on the network infrastructure specifics and traffic exchange patterns. Optimal placement depends on how close the PoP is to communication links and peering points.
The closest PoP is not necessarily the optimal one for content delivery. Communication links can be congested, resulting in increased latency. Load balancing algorithms in Yandex Cloud CDN help avoid PoP overload and automatically reroute requests to least loaded servers.
PoP server performance also shapes the overall content delivery speed. Stable delivery requires servers that stay within healthy load levels and run on modern hardware, including processors and cache storage disks.
Yandex Cloud CDN uses state-of-the-art hardware to provide reliable and highly efficient performance for each PoP.
List of cities with PoPs
Cities with at least one PoP:
| Russia | Kazakhstan |
|---|---|
| Alexandrov | Aktobe |
| Vladivostok | Karaganda |
| Voronezh | |
| Yekaterinburg | |
| Krasnodar | |
| Moscow | |
| Nizhny Novgorod | |
| Novosibirsk | |
| Petrozavodsk | |
| Rostov-on-Don | |
| Samara | |
| Simferopol | |
| Tambov | |
| Tyumen | |
| Khabarovsk | |
| Chelyabinsk | |
| Chita |
FAQ
What if my city does not host a PoP?
If your city does not host a Yandex Cloud CDN PoP, traffic will be automatically routed to the nearest available one. Load balancing algorithms factor in not only geographic proximity but also the current server load and communication link quality, ensuring an optimal content delivery speed.
Are these resources available outside Russia and Kazakhstan?
Yes, Yandex Cloud CDN resources are available worldwide, even though PoPs are only located in Russia and Kazakhstan. Users in other countries will receive content from PoPs in Russia and Kazakhstan. With high throughput and modern hardware, content delivery stays efficient even for users in other countries.
How go I get a list of PoP IP addresses to configure my firewall?
For the current list of Yandex Cloud CDN PoP IP addresses, see Cloud CDN.
To reduce the number of networks sending requests to the origin, enable origin shielding. With this option enabled, the origin will only get requests from intermediate caching servers. To get the list of the shielding servers' networks, contact support.
Where are your shielding servers located?
Yandex Cloud CDN shielding servers are located in Moscow. They provide an additional caching layer between PoPs and content origins, reducing load on the origins and increasing the content delivery speed for users.
EdgeCDN
The current list of EdgeCDN PoPs is available on the official EdgeCenter website.