A
Data centre (mostly in connection with Google called) is a
cluster of several PCs which perceive a common task. There might be at the moment (autumn, 2006) approx. 40 Google Data centre with a hexamerous number in PCs.
The article " Google hardware architecture "
from Lars violinist offers a very good insight into the topic. To find out by which Data centre a Google-searching result page is provided, one can go with the mouse about one of the links " in the Cache " below the searching results. Then an IP address is indicated in the status strip of the browser, the Data centre identified.