How many servers in the cloud Amazon EC2?
Like many other Internet companies, Amazon doesn't disclose information about their infrastructure, including on the number of servers. But analyst from Accenture Technology Labs has made its own calculation: it happened that seven data centers of Amazon Web Services should be at least 454 400 servers.
Interestingly, 70% of them are located in region US East (Virginia).
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Amazon uses a regular pattern of assignment of internal IP addresses: each instance gets the address of the 10.x.x.x, and each rack gets a range of 10.x.x.x/22, it is possible to identify all the virtual machines in that rack. The researcher scanned through the AWS DNS queries inside the EC2 network using public IP addresses of instances, their the known ranges.
The number of blade servers was estimated based on information on 64 blades per rack — four 10U chassis, each chassis with 16 blades (that is just an assumption based on nothing).
Read more about the methodology, see blog.
This assessment has already caused debate among experts. They argue, how many servers can actually be in each booth, because the company has changed several generations of equipment. But in any case, the General opinion comes down to the fact that Amazon on the number of servers already ahead of all the hosting providers that have publicly disclosed information on the number of servers, but haven't caught up with Google, whose data centers network of about 900 thousand servers.
It should also be noted fairly rapid growth in the infrastructure of Amazon, the graph shows an increase in the number of racks in the US East region, for the period he has gained an average of 110 racks per month.
Article based on information from habrahabr.ru
Interestingly, 70% of them are located in region US East (Virginia).
| number of server racks | number of blade servers | |
| US East (Virginia) | 5030 | 321 920 |
| US West (Oregon) | 41 | 2624 |
| US West (Northern. CA) | 630 | 40 320 |
| EU West (Ireland) | 814 | 52 096 |
| AP Northeast (Japan) | 314 | 20 096 |
| AP Southeast (Singapore) | 246 | 15 744 |
| SA East (Sao Paulo) | 25 | 1600 |
| Total | 7100 | 454 400 |
Amazon uses a regular pattern of assignment of internal IP addresses: each instance gets the address of the 10.x.x.x, and each rack gets a range of 10.x.x.x/22, it is possible to identify all the virtual machines in that rack. The researcher scanned through the AWS DNS queries inside the EC2 network using public IP addresses of instances, their the known ranges.
The number of blade servers was estimated based on information on 64 blades per rack — four 10U chassis, each chassis with 16 blades (that is just an assumption based on nothing).
Read more about the methodology, see blog.
This assessment has already caused debate among experts. They argue, how many servers can actually be in each booth, because the company has changed several generations of equipment. But in any case, the General opinion comes down to the fact that Amazon on the number of servers already ahead of all the hosting providers that have publicly disclosed information on the number of servers, but haven't caught up with Google, whose data centers network of about 900 thousand servers.
It should also be noted fairly rapid growth in the infrastructure of Amazon, the graph shows an increase in the number of racks in the US East region, for the period he has gained an average of 110 racks per month.
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