Strict-Sense Nonblocking Conditions for the Multirate Switching Fabric for the Discrete Bandwidth Model

Table 2

The number of passive optical elements , active optical elements , and the normalized cost for a given capacity for different SSNB switching fabrics where , and .

banyan		%	banyan		%	banyan
8	48	84	175%	48	96	200%	52.8	104.4
16	288	304	106%	256	300	117%	284.8	330.4
32	1 152	1 216	106%	960	1 120	117%	1 075.2	1 241.6
64	4 736	3 200	68%	3 840	4 032	105%	4 313.6	4 352.0
128	14 336	11 904	83%	12 544	14 080	112%	13 977.6	15 270.4
256	52 736	34 816	66%	45 056	42 240	94%	50 329.6	45 721.6
512	153 600	122 368	80%	138 240	141 312	102%	153 600.0	153 548.8
1 024	534 528	350 208	66%	471 040	412 672	88%	524 492.8	447 692.8
2 048	1 523 712	1 189 888	78%	1 396 736	1 347 584	96%	1 549 107.2	1 466 572.8
4 096	5 136 384	3 358 720	65%	4 620 288	3 870 720	84%	5 133 926.4	4 206 592.0
8 192	14 450 688	11 165 696	77%	13 418 496	12 451 840	93%	14 863 564.8	13 568 409.6
16 384	47 742 976	31 227 904	65%	43 581 440	35 373 056	81%	48 355 737.6	38 495 846.4