at has a greater abundance of routing resources (more cross- points). As a consequence, it has a better capability to face heavy traffic situations and the congestion is more difficult. On the other hand, Banyan networks have the minimum amount of resources needed to route correctly incoming packets toward the right output ports. A demonstration of this fact is that there is one and only one path between each input and output port. This minimization of resources has several advantages, like the existence of an auto- matic routing algorithm or the minimization of power consumption, but imply that con- gestion is easier when the traffic increases. All the other switch fabric architectures, if they are strictly nonblocking, have intermediate performances between the crossbar and the banyan switches with the same number of input-output ports. Naturally a great amount of specific studies have been done on each switch fabric structure. The reader interested in the detailed analysis of a specific space division switch fabric is encouraged to go through the bibliographic research from the following texts and technical papers [4-6]. Appendix E: Space Division Switch Fabric Performance Evaluation References 1. Patel, J. H., Performance of processor-memory interconnections for multiprocessors, Transaction on Computers, C-30(10), 771-780 (1981). IEEE. 2. Hui, J. and Arthurs, E., A broadband packet switch for integrated transport, Journal of Selected Areas in Communications, 5(8), 1264-1273 (1987). IEEE. 3. Karol, M. J., Hluchyj, M. G., and Morgan, S. P., Input versus output queueing on a space- division packet switch, Transaction on Communications, 35(12), 1347-1356 (1987). IEEE. 4. Jonathan Chao, H. and Liu, B., High Performance Switches and Routers, s.l.: Wiley, New York, 2007. ISBN-13: 978-047005367. 5. Hennesy, J. and Patterson, D. A., Computer Architecture: A Quantitative Approach, 4th ed., s.l.: Morgan Kaufmann, San Francisco, CA, 2006. ISBN-13: 978-0123704900. 6. Ayandeh, S., A framework for benchmarking performance o