Answer:
grid computing
Step-by-step explanation:
Based on the information provided within the question it can be said that this technology is typically known as grid computing. Like mentioned in the question, this is a type of processor architecture in which various computer resources are combines from different domains in order to work together towards a common main objective. Which is exactly what SETI has done by using many individual's computers to essentially create one supercomputer capable of handling all the data.