|Authors||W. L. Guay, B. Bogdanski, S. Reinemo and O. Lysne|
|Title||VFtree- Fat Tree Routing With Virtual Lanes in InfiniBand|
|Afilliation||Communication Systems, Communication Systems|
|Publication Type||Talks, contributed|
|Year of Publication||2010|
|Location of Talk||Poster, HiPEAC ACACES, Barcelona, Spain|
Even though the bisectional bandwidth in a fat-tree is constant, hot spots are still possible. Such a situation may be alleviated through adaptive routing or congestion control, however, these methods are not fully supported in InfiniBand technology. We propose an inexpensive approach for reducing the hot-spot problem in fat-trees, which is based on the application of virtual lanes.