diff --git a/doc/source/images/rabbit/arch.svg b/doc/source/images/rabbit/arch.svg
new file mode 100644
index 0000000000..efed6e9814
--- /dev/null
+++ b/doc/source/images/rabbit/arch.svg
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+		<g id="shape7-22" v:mID="7" v:groupContext="shape" transform="translate(439.61,-2.64582)">
+			<title>Box.7</title>
+			<desc>Node Controller</desc>
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+		<g id="shape8-26" v:mID="8" v:groupContext="shape" v:layerMember="0" transform="translate(319.138,-300.284)">
+			<title>Dynamic connector</title>
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+		</g>
+		<g id="shape9-29" v:mID="9" v:groupContext="shape" v:layerMember="0" transform="translate(212.838,-179.811)">
+			<title>Dynamic connector.11</title>
+			<path d="M0 350.13 L56.69 350.13" class="st4"/>
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+		<g id="shape10-32" v:mID="10" v:groupContext="shape" v:layerMember="0" transform="translate(319.138,-158.551)">
+			<title>Dynamic connector.12</title>
+			<desc>http</desc>
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+			<title>Circle</title>
+			<desc>Nova-Manage</desc>
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+		<g id="shape12-40" v:mID="12" v:groupContext="shape" transform="translate(0.24,-101.858)">
+			<title>Circle.15</title>
+			<desc>Euca2ools</desc>
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+		<g id="shape13-43" v:mID="13" v:groupContext="shape" v:layerMember="0" transform="translate(85.2794,-321.543)">
+			<title>Dynamic connector.16</title>
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+		<g id="shape14-46" v:mID="14" v:groupContext="shape" v:layerMember="0" transform="translate(42.7597,-130.205)">
+			<title>Dynamic connector.17</title>
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+		<g id="shape15-49" v:mID="15" v:groupContext="shape" transform="translate(22.8857,-254.929)">
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+			<desc>Project User Role Network VPN</desc>
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+		<g id="shape16-56" v:mID="16" v:groupContext="shape" transform="translate(14.4132,-30.9923)">
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+		<g id="shape17-66" v:mID="17" v:groupContext="shape" transform="translate(439.61,-158.551)">
+			<title>Box.20</title>
+			<desc>Network Controller</desc>
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+		<g id="shape18-70" v:mID="18" v:groupContext="shape" transform="translate(439.61,-286.11)">
+			<title>Box.5</title>
+			<desc>Storage Controller</desc>
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+		<g id="shape19-74" v:mID="19" v:groupContext="shape" transform="translate(718.627,48.2425) rotate(70.0169)">
+			<title>Dot &#38; arrow</title>
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+				<v:ud v:nameU="Scale" v:val="VT0(1):26"/>
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+		<g id="shape21-94" v:mID="21" v:groupContext="shape" v:layerMember="0" transform="translate(382.917,-179.811)">
+			<title>Dynamic connector.13</title>
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+		<g id="shape22-97" v:mID="22" v:groupContext="shape" transform="translate(386.681,-128.378)">
+			<title>Sheet.22</title>
+			<desc>AMQP</desc>
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+			<desc>AMQP</desc>
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+			<desc>AMQP</desc>
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+			<desc>REST</desc>
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+				<title>Rectangle.10</title>
+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+			<g id="shape20-50" v:mID="20" v:groupContext="shape" transform="translate(17.0079,-5.68434E-014)">
+				<title>Rectangle.11</title>
+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<rect x="0" y="225.135" width="8.50394" height="34.0157" class="st10"/>
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+			<g id="shape21-52" v:mID="21" v:groupContext="shape" transform="translate(25.5118,-5.68434E-014)">
+				<title>Rectangle.12</title>
+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<rect x="0" y="225.135" width="8.50394" height="34.0157" class="st10"/>
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+				<title>Rectangle.13</title>
+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<rect x="0" y="225.135" width="8.50394" height="34.0157" class="st10"/>
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+			<g id="shape23-56" v:mID="23" v:groupContext="shape" transform="translate(42.5197,-5.68434E-014)">
+				<title>Rectangle.14</title>
+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<rect x="0" y="225.135" width="8.50394" height="34.0157" class="st10"/>
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+			<g id="shape24-58" v:mID="24" v:groupContext="shape" transform="translate(51.0236,-5.68434E-014)">
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+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<rect x="0" y="225.135" width="8.50394" height="34.0157" class="st10"/>
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+			<desc>key: topic.host</desc>
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+			<path d="M96.38 259.15 L56.69 259.15 L56.69 230.8 L9.81 230.8" class="st14"/>
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+		<g id="shape29-78" v:mID="29" v:groupContext="shape" transform="translate(630.202,-200.8)">
+			<title>Rectangle</title>
+			<desc>Topic Consumer</desc>
+			<v:userDefs>
+				<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+		<g id="shape30-82" v:mID="30" v:groupContext="shape" transform="translate(630.202,-135.603)">
+			<title>Rectangle.30</title>
+			<desc>Topic Consumer</desc>
+			<v:userDefs>
+				<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+			<v:textBlock v:margins="rect(4,4,4,4)" v:tabSpace="42.5197"/>
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+			<title>Sheet.31</title>
+			<path d="M0 259.15 L104.88 259.15" class="st15"/>
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+		<g id="shape32-92" v:mID="32" v:groupContext="shape" transform="translate(525.32,-156.863)">
+			<title>Sheet.32</title>
+			<path d="M0 259.15 L104.88 259.15" class="st15"/>
+		</g>
+		<g id="shape33-97" v:mID="33" v:groupContext="shape" transform="translate(457.289,-156.863)">
+			<title>Sheet.33</title>
+			<path d="M0 259.15 L8.5 259.15" class="st16"/>
+		</g>
+		<g id="shape34-100" v:mID="34" v:groupContext="shape" transform="translate(616.029,-51.9812)">
+			<title>Rectangle.34</title>
+			<v:userDefs>
+				<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+		<g id="shape35-102" v:mID="35" v:groupContext="shape" transform="translate(630.202,-63.3198)">
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+			<desc>Direct Publisher</desc>
+			<v:userDefs>
+				<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+			<v:textBlock v:margins="rect(4,4,4,4)" v:tabSpace="42.5197"/>
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+		<g id="shape36-106" v:mID="36" v:groupContext="shape" transform="translate(596.722,-24.9734)">
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+			<desc>Worker (e.g. compute)</desc>
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+			<title>ATM switch.37</title>
+			<desc>name: msg_id (type: direct)</desc>
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+			<g id="shape45-131" v:mID="45" v:groupContext="shape">
+				<title>Rectangle</title>
+				<v:userDefs>
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+			<g id="shape46-133" v:mID="46" v:groupContext="shape" transform="translate(8.50394,-5.68434E-014)">
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+				<v:userDefs>
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+			<g id="shape47-135" v:mID="47" v:groupContext="shape" transform="translate(17.0079,-5.68434E-014)">
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+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<rect x="0" y="225.135" width="8.50394" height="34.0157" class="st10"/>
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+			<g id="shape48-137" v:mID="48" v:groupContext="shape" transform="translate(25.5118,-5.68434E-014)">
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+				<v:userDefs>
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+				<rect x="0" y="225.135" width="8.50394" height="34.0157" class="st10"/>
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+			<g id="shape50-141" v:mID="50" v:groupContext="shape" transform="translate(42.5197,-5.68434E-014)">
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+				<v:userDefs>
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+			<desc>key: msg_id</desc>
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+			<desc>Direct Consumer</desc>
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+		<g id="shape29-78" v:mID="29" v:groupContext="shape" transform="translate(630.202,-200.8)">
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+				<v:cp v:nameU="Room" v:lbl="Room" v:type="0" v:sortKey="Asset" v:invis="false" v:ask="false" v:langID="1033"/>
+				<v:cp v:nameU="NetworkName" v:lbl="Network Name" v:type="0" v:sortKey="Network" v:invis="false" v:ask="false"
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+				<v:cp v:nameU="IPAddress" v:lbl="IP Address" v:type="0" v:sortKey="Network" v:invis="false" v:ask="false"
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+				<v:cp v:nameU="SubnetMask" v:lbl="Subnet Mask" v:type="0" v:sortKey="Network" v:invis="false" v:ask="false"
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+				<v:cp v:nameU="MACAddress" v:lbl="MAC Address" v:type="0" v:sortKey="Network" v:invis="false" v:ask="false"
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+				<v:cp v:nameU="CommunityString" v:lbl="Community String" v:type="0" v:sortKey="Network" v:invis="false"
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+				<v:cp v:nameU="NetworkDescription" v:lbl="Network Description" v:type="0" v:sortKey="Network" v:invis="false"
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+				<v:ud v:nameU="visVersion" v:prompt="" v:val="VT0(14):26"/>
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+			<title>ATM switch</title>
+			<desc>name: control_exchange (type: topic)</desc>
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+			<g id="shape5-12" v:mID="5" v:groupContext="shape" transform="translate(-0.188976,-32.2386)">
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+			<g id="shape18-31" v:mID="18" v:groupContext="shape">
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+				<v:userDefs>
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+			<g id="shape21-37" v:mID="21" v:groupContext="shape" transform="translate(25.5118,-5.68434E-014)">
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+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+			<g id="shape22-39" v:mID="22" v:groupContext="shape" transform="translate(34.0157,-5.68434E-014)">
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+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+			<g id="shape23-41" v:mID="23" v:groupContext="shape" transform="translate(42.5197,-5.68434E-014)">
+				<title>Rectangle.14</title>
+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+			<g id="shape24-43" v:mID="24" v:groupContext="shape" transform="translate(51.0236,-5.68434E-014)">
+				<title>Rectangle.15</title>
+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<rect x="0" y="245.777" width="8.50394" height="34.0157" class="st10"/>
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+		</g>
+		<g id="group9-45" transform="translate(403.27,-160.498)" v:mID="9" v:groupContext="group">
+			<title>Sheet.9</title>
+			<g id="shape10-46" v:mID="10" v:groupContext="shape">
+				<title>Rectangle</title>
+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+			<g id="shape11-48" v:mID="11" v:groupContext="shape" transform="translate(8.50394,-5.68434E-014)">
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+				<v:userDefs>
+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<v:userDefs>
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+					<v:ud v:nameU="visVersion" v:val="VT0(14):26"/>
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+				<v:userDefs>
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+		<g id="shape27-66" v:mID="27" v:groupContext="shape" transform="translate(383.427,-210.104)">
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+			<desc>key: topic</desc>
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+			<desc>key: topic.host</desc>
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+			<path d="M96.38 279.79 L56.69 279.79 L56.69 251.45 L9.81 251.45" class="st14"/>
+		</g>
+		<g id="shape29-78" v:mID="29" v:groupContext="shape" transform="translate(567.679,-221.442)">
+			<title>Rectangle</title>
+			<desc>Topic Consumer</desc>
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+			<desc>Topic Consumer</desc>
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+		<g id="shape32-92" v:mID="32" v:groupContext="shape" transform="translate(462.797,-177.505)">
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+		<g id="shape33-97" v:mID="33" v:groupContext="shape" transform="translate(394.766,-177.505)">
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+			<path d="M0 279.79 L8.5 279.79" class="st16"/>
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+		<g id="shape34-100" v:mID="34" v:groupContext="shape" transform="translate(553.506,-72.6236)">
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+			<desc>Direct Publisher</desc>
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