Grid Computing Questions and Answers about GC

[iGuest 3]

Everybody is interesting in the big new world of grid computing should post under this topic. First Question: What is Grid Computing?Grid is a type of parallel and distributed system that enables the sharing, selection, and aggregation of geographically distributed "autonomous" resources dynamically at runtime depending on their availability, capability, performance, cost, and users' quality-of-service requirements.But what are typically grid computing environments? Do anybody have experience with GD in real use?