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Visionhost has been providing its services from the modern Gyrocenter data centre in Amsterdam.

The Gyrocenter is still a relatively young company. In 2005, Gyrocenter was finally completed to a technically high spec and nowadays, it's one of the top leaders in providing expert technology, security and reliability in Amsterdam.


The whole building is under 24-hour surveillance by a CCTV (Closed Circuit Television). Access to the buildings, spaces and data floors is controlled by a PAC (Proximity Access Cards) system. Through this system people have access only to the areas intended for them. Engineers are there 24/7, 365 days per year & can directly intervene in suspicious situations.


The Gyrocenter has its own UPS systems. Once outside power fails, these UPS systems maintain the power on 3 diesel generators until the power is restarted. Without fuel supply the Gyrocenter can maintain electricity supply for all it's facilities for a full 48 hours, thus providing an 100% guarantee on it's power.

Air Conditioning

The air on all data floors are kept at a constant temperature of 21°C ± 2°C with a humidity of 50% ± 10%. This is done by using a monitored BMS (Building Management System).

Fire Detection and Control

The whole building is covered by a Very Early Smoke Detection Apparatus (VESDA). This ensures that any incipient fires will be detected & controlled immediately. In addition, they also have many argon gas fire extinguishers, which are harmless to electronic equipment.

Building Management System

The entire data centre is monitored using a BMS. Sensor monitors measure temperatures & voltages, thus helping with detection of any potential leaks. Should any problems occur, this system allows engineers to be able to intervene at an early stage.


The network is constructed from high quality components using brands such as D-Link and Foundry. Through the use of high quality components, any potential downtime is reduced to a minimum.


Two Foundry NetIron routers are used for routing, which are installed in a redundant setup. This means that should one of the two routers fail, the network will automatically engage the other router.

Next transits & peerings are all connected to the network through these routers

- 10 Gbit T-systems
- 10 Gbit NL-IX/AMS-IX
- 2 Gbit Openpeering
- 1 Gbit Interoute
- 1 Gbit Jointransit
- 1 Gbit Eweka
- 1 Gbit Flag Telecom
- 1 Gbit True
- 1 Gbit Cogent
- 1 Gbit Level3
- 1 Gbit KPN

As you can see, the network has a total capacity of more than 20Gbit.


From the main blades of the two routers are two Foundry FESX448 Gigabit switches with 10 Gigabit fiber cables connected to the routers. From here all subswitches have at least 2 gigabit connections.

As mentioned above, all subswitches of at least 2x 1 Gigabit connections are connected to the core switches. These compounds are also in a redundant setup. This means that one connection is active and the other inactive. If one of these active compounds is not available, the other connection is activated and run on the network from then on.