Index: diagrams/testbed-logos.dia
==================================================================
--- diagrams/testbed-logos.dia
+++ diagrams/testbed-logos.dia
@@ -60,11 +60,11 @@
         <dia:attribute name="hguides"/>
         <dia:attribute name="vguides"/>
       </dia:composite>
     </dia:attribute>
   </dia:diagramdata>
-  <dia:layer name="testbed" visible="true">
+  <dia:layer name="testbed" visible="true" active="true">
     <dia:object type="Standard - Box" version="0" id="O0">
       <dia:attribute name="obj_pos">
         <dia:point val="-5,2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
@@ -949,20 +949,20 @@
         <dia:connection handle="0" to="O25" connection="14"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Cisco - Man gold" version="1" id="O27">
       <dia:attribute name="obj_pos">
-        <dia:point val="30,6"/>
+        <dia:point val="30,5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="29.9995,5.9995;31.8385,9.29038"/>
+        <dia:rectangle val="29.9995,4.9995;31.8385,8.29038"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="30,6"/>
+        <dia:point val="30,5"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1.838043019822859"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
@@ -994,20 +994,20 @@
         <dia:real val="1"/>
       </dia:attribute>
     </dia:object>
     <dia:object type="Cisco - Man blue" version="1" id="O28">
       <dia:attribute name="obj_pos">
-        <dia:point val="10,6"/>
+        <dia:point val="10,5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="9.9995,5.9995;11.8383,9.29083"/>
+        <dia:rectangle val="9.9995,4.9995;11.8383,8.29083"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="10,6"/>
+        <dia:point val="10,5"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1.8378321383382539"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
@@ -1039,14 +1039,14 @@
         <dia:real val="1"/>
       </dia:attribute>
     </dia:object>
     <dia:object type="Standard - Text" version="1" id="O29">
       <dia:attribute name="obj_pos">
-        <dia:point val="25,6"/>
+        <dia:point val="25,5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="25,5.405;27.47,6.95"/>
+        <dia:rectangle val="25,4.405;27.47,5.95"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
           <dia:attribute name="string">
             <dia:string>#Testbed
@@ -1057,11 +1057,11 @@
           </dia:attribute>
           <dia:attribute name="height">
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="25,6"/>
+            <dia:point val="25,5"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
           </dia:attribute>
           <dia:attribute name="alignment">
@@ -1106,20 +1106,20 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
     <dia:object type="Cisco - Man red" version="1" id="O31">
       <dia:attribute name="obj_pos">
-        <dia:point val="23,6"/>
+        <dia:point val="23,5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.9995,5.9995;24.8385,9.29038"/>
+        <dia:rectangle val="22.9995,4.9995;24.8385,8.29038"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="23,6"/>
+        <dia:point val="23,5"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1.8380430198228592"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
@@ -1151,14 +1151,14 @@
         <dia:real val="1"/>
       </dia:attribute>
     </dia:object>
     <dia:object type="Standard - Text" version="1" id="O32">
       <dia:attribute name="obj_pos">
-        <dia:point val="32,6"/>
+        <dia:point val="32,5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="32,5.405;38.61,6.95"/>
+        <dia:rectangle val="32,4.405;38.61,5.95"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
           <dia:attribute name="string">
             <dia:string>#Community member
@@ -1169,11 +1169,11 @@
           </dia:attribute>
           <dia:attribute name="height">
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="32,6"/>
+            <dia:point val="32,5"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
           </dia:attribute>
           <dia:attribute name="alignment">
@@ -1185,18 +1185,18 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O33">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.6007,7.9069"/>
+        <dia:point val="23.5746,7.00374"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.1564,7.8365;23.6711,10.7584"/>
+        <dia:rectangle val="20.1653,6.93305;23.6453,10.5743"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.6007,7.9069"/>
-        <dia:point val="20.2425,10.6871"/>
+        <dia:point val="23.5746,7.00374"/>
+        <dia:point val="20.2425,10.4935"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
       </dia:attribute>
       <dia:attribute name="line_color">
@@ -1216,18 +1216,18 @@
         <dia:connection handle="1" to="O11" connection="11"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O34">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.2861,7.67684"/>
+        <dia:point val="11.2861,6.71548"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="11.2197,7.61046;18.4508,11.0322"/>
+        <dia:rectangle val="11.2177,6.64711;18.446,10.898"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="11.2861,7.67684"/>
-        <dia:point val="18.3494,10.9491"/>
+        <dia:point val="11.2861,6.71548"/>
+        <dia:point val="18.3494,10.8288"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
       </dia:attribute>
       <dia:attribute name="line_color">
@@ -1247,18 +1247,18 @@
         <dia:connection handle="1" to="O11" connection="11"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O35">
       <dia:attribute name="obj_pos">
-        <dia:point val="10.5538,7.7327"/>
+        <dia:point val="10.5538,6.78275"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="3.51678,7.66552;10.6209,11.3098"/>
+        <dia:rectangle val="3.52189,6.71381;10.6227,11.2101"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="10.5538,7.7327"/>
-        <dia:point val="3.61656,11.2398"/>
+        <dia:point val="10.5538,6.78275"/>
+        <dia:point val="3.61656,11.1412"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
       </dia:attribute>
       <dia:attribute name="line_color">
@@ -1278,18 +1278,18 @@
         <dia:connection handle="1" to="O44" connection="10"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O36">
       <dia:attribute name="obj_pos">
-        <dia:point val="31.2844,7.80996"/>
+        <dia:point val="31.2844,6.85122"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="31.2183,7.74385;39.1012,11.3692"/>
+        <dia:rectangle val="31.2163,6.78313;39.0967,11.2582"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="31.2844,7.80996"/>
-        <dia:point val="38.9992,11.2802"/>
+        <dia:point val="31.2844,6.85122"/>
+        <dia:point val="38.9992,11.1887"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
       </dia:attribute>
       <dia:attribute name="line_color">
@@ -1309,18 +1309,18 @@
         <dia:connection handle="1" to="O50" connection="10"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O37">
       <dia:attribute name="obj_pos">
-        <dia:point val="31.4145,9.28982"/>
+        <dia:point val="31.3667,8.28984"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="31.3522,9.22749;33.0847,14.4017"/>
+        <dia:rectangle val="31.3053,8.22843;33.1693,14.3591"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="31.4145,9.28982"/>
-        <dia:point val="32.927,14.2946"/>
+        <dia:point val="31.3667,8.28984"/>
+        <dia:point val="32.995,14.2512"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
       </dia:attribute>
       <dia:attribute name="line_color">
@@ -2097,14 +2097,14 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
     <dia:object type="Standard - Text" version="1" id="O58">
       <dia:attribute name="obj_pos">
-        <dia:point val="17,8"/>
+        <dia:point val="16.5,7"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="17,7.405;20.0975,8.15"/>
+        <dia:rectangle val="14.9512,6.255;18.0487,7"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
           <dia:attribute name="string">
             <dia:string># Slice def.#</dia:string>
@@ -2114,25 +2114,25 @@
           </dia:attribute>
           <dia:attribute name="height">
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="17,8"/>
+            <dia:point val="16.5,6.85"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
           </dia:attribute>
           <dia:attribute name="alignment">
-            <dia:enum val="0"/>
+            <dia:enum val="1"/>
           </dia:attribute>
         </dia:composite>
       </dia:attribute>
       <dia:attribute name="valign">
-        <dia:enum val="3"/>
+        <dia:enum val="1"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O65" connection="2"/>
+        <dia:connection handle="0" to="O65" connection="1"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Standard - Text" version="1" id="O59">
       <dia:attribute name="obj_pos">
         <dia:point val="-2,11"/>
@@ -2305,11 +2305,11 @@
       <dia:object type="Standard - Text" version="1" id="O64">
         <dia:attribute name="obj_pos">
           <dia:point val="-0.5,23.5"/>
         </dia:attribute>
         <dia:attribute name="obj_bb">
-          <dia:rectangle val="-1.0175,23.0592;0.038,23.9407"/>
+          <dia:rectangle val="-1.0175,23.09;0.0175,23.91"/>
         </dia:attribute>
         <dia:attribute name="text">
           <dia:composite type="text">
             <dia:attribute name="string">
               <dia:string>#A2#</dia:string>
@@ -2319,11 +2319,11 @@
             </dia:attribute>
             <dia:attribute name="height">
               <dia:real val="0.88194441050291061"/>
             </dia:attribute>
             <dia:attribute name="pos">
-              <dia:point val="-0.5,23.7347"/>
+              <dia:point val="-0.5,23.745"/>
             </dia:attribute>
             <dia:attribute name="color">
               <dia:color val="#ffffff"/>
             </dia:attribute>
             <dia:attribute name="alignment">
@@ -2340,17 +2340,17 @@
       </dia:object>
     </dia:group>
     <dia:group>
       <dia:object type="Standard - Box" version="0" id="O65">
         <dia:attribute name="obj_pos">
-          <dia:point val="14,8"/>
+          <dia:point val="15,7"/>
         </dia:attribute>
         <dia:attribute name="obj_bb">
-          <dia:rectangle val="13.95,7.95;17.05,9.05"/>
+          <dia:rectangle val="14.95,6.95;18.05,8.05"/>
         </dia:attribute>
         <dia:attribute name="elem_corner">
-          <dia:point val="14,8"/>
+          <dia:point val="15,7"/>
         </dia:attribute>
         <dia:attribute name="elem_width">
           <dia:real val="3"/>
         </dia:attribute>
         <dia:attribute name="elem_height">
@@ -2369,17 +2369,17 @@
           <dia:boolean val="true"/>
         </dia:attribute>
       </dia:object>
       <dia:object type="Standard - Box" version="0" id="O66">
         <dia:attribute name="obj_pos">
-          <dia:point val="14,9"/>
+          <dia:point val="15,8"/>
         </dia:attribute>
         <dia:attribute name="obj_bb">
-          <dia:rectangle val="13.95,8.95;17.05,10.05"/>
+          <dia:rectangle val="14.95,7.95;18.05,9.05"/>
         </dia:attribute>
         <dia:attribute name="elem_corner">
-          <dia:point val="14,9"/>
+          <dia:point val="15,8"/>
         </dia:attribute>
         <dia:attribute name="elem_width">
           <dia:real val="3"/>
         </dia:attribute>
         <dia:attribute name="elem_height">
@@ -2398,14 +2398,14 @@
           <dia:boolean val="true"/>
         </dia:attribute>
       </dia:object>
       <dia:object type="Standard - Text" version="1" id="O67">
         <dia:attribute name="obj_pos">
-          <dia:point val="15.5,9"/>
+          <dia:point val="16.5,8"/>
         </dia:attribute>
         <dia:attribute name="obj_bb">
-          <dia:rectangle val="15.1175,8.425;15.8825,9.575"/>
+          <dia:rectangle val="16.1175,7.425;16.8825,8.575"/>
         </dia:attribute>
         <dia:attribute name="text">
           <dia:composite type="text">
             <dia:attribute name="string">
               <dia:string>#A#</dia:string>
@@ -2415,11 +2415,11 @@
             </dia:attribute>
             <dia:attribute name="height">
               <dia:real val="1.2347221747040749"/>
             </dia:attribute>
             <dia:attribute name="pos">
-              <dia:point val="15.5,9.3425"/>
+              <dia:point val="16.5,8.3425"/>
             </dia:attribute>
             <dia:attribute name="color">
               <dia:color val="#ffffff"/>
             </dia:attribute>
             <dia:attribute name="alignment">
@@ -2435,17 +2435,17 @@
         </dia:connections>
       </dia:object>
     </dia:group>
     <dia:object type="Standard - Line" version="0" id="O68">
       <dia:attribute name="obj_pos">
-        <dia:point val="1,12"/>
+        <dia:point val="1,11.5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="0.936014,11.936;8.62175,14.8372"/>
+        <dia:rectangle val="0.934388,11.4344;8.6194,14.8067"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="1,12"/>
+        <dia:point val="1,11.5"/>
         <dia:point val="8.51657,14.7074"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
       </dia:attribute>
@@ -2460,11 +2460,11 @@
       </dia:attribute>
       <dia:attribute name="end_arrow_width">
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O61" connection="7"/>
+        <dia:connection handle="0" to="O61" connection="4"/>
         <dia:connection handle="1" to="O3" connection="12"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Standard - Arc" version="0" id="O69">
       <dia:attribute name="obj_pos">
@@ -2648,13 +2648,183 @@
       </dia:attribute>
       <dia:attribute name="valign">
         <dia:enum val="2"/>
       </dia:attribute>
     </dia:object>
+    <dia:object type="Standard - Arc" version="0" id="O74">
+      <dia:attribute name="obj_pos">
+        <dia:point val="19.3603,11.4175"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="2.75543,9.94689;19.4109,11.7392"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="19.3603,11.4175"/>
+        <dia:point val="2.81282,11.6461"/>
+      </dia:attribute>
+      <dia:attribute name="arc_color">
+        <dia:color val="#808080"/>
+      </dia:attribute>
+      <dia:attribute name="curve_distance">
+        <dia:real val="1.5328563480916273"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="3"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow_length">
+        <dia:real val="0.5"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow_width">
+        <dia:real val="0.5"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O11" connection="11"/>
+        <dia:connection handle="1" to="O44" connection="10"/>
+      </dia:connections>
+    </dia:object>
+    <dia:group>
+      <dia:object type="Standard - Box" version="0" id="O75">
+        <dia:attribute name="obj_pos">
+          <dia:point val="10,10"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="9.95,9.95;13.05,11.05"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="10,10"/>
+        </dia:attribute>
+        <dia:attribute name="elem_width">
+          <dia:real val="3"/>
+        </dia:attribute>
+        <dia:attribute name="elem_height">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="border_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:attribute name="border_color">
+          <dia:color val="#0000ff"/>
+        </dia:attribute>
+        <dia:attribute name="inner_color">
+          <dia:color val="#0090ff"/>
+        </dia:attribute>
+        <dia:attribute name="show_background">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+      </dia:object>
+      <dia:object type="Standard - Text" version="1" id="O76">
+        <dia:attribute name="obj_pos">
+          <dia:point val="11.5,10.5"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="10.9825,10.09;12.0175,10.91"/>
+        </dia:attribute>
+        <dia:attribute name="text">
+          <dia:composite type="text">
+            <dia:attribute name="string">
+              <dia:string>#A1#</dia:string>
+            </dia:attribute>
+            <dia:attribute name="font">
+              <dia:font family="sans" style="80" name="Helvetica-Bold"/>
+            </dia:attribute>
+            <dia:attribute name="height">
+              <dia:real val="0.88194441050291061"/>
+            </dia:attribute>
+            <dia:attribute name="pos">
+              <dia:point val="11.5,10.745"/>
+            </dia:attribute>
+            <dia:attribute name="color">
+              <dia:color val="#ffffff"/>
+            </dia:attribute>
+            <dia:attribute name="alignment">
+              <dia:enum val="1"/>
+            </dia:attribute>
+          </dia:composite>
+        </dia:attribute>
+        <dia:attribute name="valign">
+          <dia:enum val="2"/>
+        </dia:attribute>
+        <dia:connections>
+          <dia:connection handle="0" to="O75" connection="8"/>
+        </dia:connections>
+      </dia:object>
+    </dia:group>
+    <dia:object type="Standard - Text" version="1" id="O77">
+      <dia:attribute name="obj_pos">
+        <dia:point val="11.5,11"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="9.9075,11;13.0925,11.745"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Sliver def.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="11.5,11.595"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O75" connection="6"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O78">
+      <dia:attribute name="obj_pos">
+        <dia:point val="14,11"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14,10.405;15.0125,11.15"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
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