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docs.it4i/salomon/ib-single-plane-topology.md
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@@ -13,16 +13,16 @@ The SGI ICE X IB Premium Blade provides the first level of interconnection via d
Each colour in each physical IRU represents one dual-switch ASIC switch.
![](../../img/IBsingleplanetopologyICEXMcellsmall.png)
![](../img/IBsingleplanetopologyICEXMcellsmall.png)
### IB single-plane topology - Accelerated nodes
Each of the 3 inter-connected D racks are equivalent to one half of Mcell rack. 18x D rack with MIC accelerated nodes [r21-r38] are equivalent to 3 Mcell racks as shown in a diagram [7D Enhanced Hypercube](7d-enhanced-hypercube/).
As shown in a diagram ![IB Topology](../../img/Salomon_IB_topology.png)
As shown in a diagram ![IB Topology](../img/Salomon_IB_topology.png)
- Racks 21, 22, 23, 24, 25, 26 are equivalent to one Mcell rack.
- Racks 27, 28, 29, 30, 31, 32 are equivalent to one Mcell rack.
- Racks 33, 34, 35, 36, 37, 38 are equivalent to one Mcell rack.
![](../../img/IBsingleplanetopologyAcceleratednodessmall.png)
![](../img/IBsingleplanetopologyAcceleratednodessmall.png)