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+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+// 
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see http://www.gnu.org/licenses/.
+// 
+
+// Author: Kewin Rausch <kewin.rausch@create-net.org>
+//
+// NOTES:
+// This module describes a Top of Rack module in the DataCenter use-case.
+//
+// Colors of the IPC reflect the use case layers.
+// Link: https://wiki.ict-pristine.eu/wp2/d21/D21-Datnet-RINA
+
+package rina.CS;
+
+import rina.DAF.DA.DIFAllocator;
+import rina.DIF.IPCProcess;
+
+module DC_TOR
+{
+    @display("i=abstract/switch;bgb=177,325");
+    @node;
+
+    int nofInt = default(1);
+
+    gates:
+        inout medium[nofInt];
+
+    submodules:
+        ShimIPC[nofInt]: IPCProcess {
+            @display("p=90,255;i=,#800000");
+        }
+        DCIPC: IPCProcess {
+            @display("p=90,151;i=,#008000");
+            relay = true;
+        }
+        difAllocator: DIFAllocator {
+            @display("p=90,63;i=,grey");
+        }
+    connections allowunconnected:
+
+        // Every IPC Process is connected to its medium and the Relay IPC.
+        for i=0..nofInt-1 {
+            DCIPC.southIo++ <--> ShimIPC[i].northIo++;
+            ShimIPC[i].southIo++ <--> medium[i];
+        }
+}