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> each AZ is considered a separate datacenter but in real life each AZ is multiple datacenters that are really close to each other For AWS specifically, I’m fa
by Tehnix 4y ago
> each AZ is considered a separate datacenter but in real life each AZ is multiple datacenters that are really close to each other
For AWS specifically, I’m fairly certain they maintain a minimum distance and are much more strict on requirements to be on different grids etc than other Cloud providers. A few years ago they were calling out Azure and Google Cloud on exactly what you describe (having data centers essentially on the same street almost).
- dodobirdlord 4y agoI think you may have slightly misread. I think what’s being said is that a single logical AZ may actually be multiple physical datacenters in close proximity.
- jedberg 4y agoA single AZ may have neighboring datacenters, but they are very strict on having datacenters for different AZs be at least 100km apart and on different flood plains and power grids.
- throwbigdata 4y ago100km? Oh really?
- throwbigdata 4y agohttps://docs.aws.amazon.com/sap/latest/general/arch-guide-architecture-guidelines-and-decisions.html https://docs.aws.amazon.com/sap/latest/general/arch-guide-ar... Each Availability Zone can be multiple data centers.At full scale, it can contain hundreds of thousands of servers. They are fully isolated partitions of the AWS global infrastructure. With its own powerful infrastructure, an Availability Zone is physically separated from any other zones. There is a distance of several kilometers, although all are within 100 km (60 miles of each other).
- eurleif 4y agoSo at most 100km, not at least 100km.
- laluser 4y agoThis should be at most 100km. Range is in 60km-100km range typically.