Availability EdgeCenter: node availability

EdgeCenter reliability across different regions

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Scenario
Aggregation
Period
Dynamics of availability
Cities with low availability
Providers with low availability

About EdgeCenter

EdgeCenter — a Russian CDN provider and cloud platform. In addition to content delivery, it provides DDoS protection, cloud hosting, and DNS services. Its infrastructure is based on Anycast routing and is actively expanding across Russia and the CIS. It is aimed at technology companies and projects with demanding fault-tolerance requirements. EdgeCenter builds its infrastructure free from legacy technical debt, with fault tolerance designed in at the architecture level. The key maturity indicator is incident recovery time. Check the log in the histogram of cities with low availability: fast recovery indicates automated incident response.

What is Availability and why measure it?

Availability — the percentage of time the CDN correctly serves user requests. This is a basic indicator of provider reliability.
The practical difference between availability levels:

AvailabilityDowntime per year
99,0%87 hours
99,9%8,7 hours
99,99%52 minutes

Even brief outages directly impact revenue, reputation, and search rankings — Google takes site availability into account when ranking pages.

What do the availability charts show?

01

Availability chart (HTTP/HTTPS) — lets you see short-term outages that don't always make it into official provider reports. A discrepancy between HTTP and HTTPS may indicate SSL termination issues at individual nodes.

02

Cities with low availability — locations with unstable CDN node operation. An incident in a specific city may be invisible in overall statistics but critical for the local audience.

03

Providers with low availability — a comparative reliability ranking. Shows how well the declared SLA matches real independent monitoring data.