Say "group" and then try to keep your mind from photos of substantial, authorities-funded medical applications or herds of caffeinated drinks-powered grad pupils. Pretty difficult. However, the vast majority of good performance computers (HPC) clusters are nowhere around big enough to qualify as massive, are employed in professional situations, and are powered by Gigabit Ethernet interconnects. Even throughout the TOP500® Supercomputer Web sites 1200059 the volume of clusters jogging Gigabit Ethernet is far more than double the amount of clusters running InfiniBand. Definitely, increased rate and reduce latency will be great for just about any installing. But the overall performance specifications for many programs just don’t worth the top cost and labor-intense maintenance of InfiniBand.