research2: Draft architecture + figures

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+management#</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="24.875,3.94625"/>
+          </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="2"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O17" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Box" version="0" id="O19">
+      <dia:attribute name="obj_pos">
+        <dia:point val="29.55,3.2"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="29.5,3.15;35.5,5.1"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="29.55,3.2"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="5.9000000000000021"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.8500000000000005"/>
+      </dia:attribute>
+      <dia:attribute name="border_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O20">
+      <dia:attribute name="obj_pos">
+        <dia:point val="32.5,4.125"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="30.3562,3.35125;34.6437,4.89875"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#hash
+management#</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="32.5,3.94625"/>
+          </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="2"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O19" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Box" version="0" id="O21">
+      <dia:attribute name="obj_pos">
+        <dia:point val="42.45,5.1"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="42.4,5.05;49.6,7.8"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="42.45,5.1"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="7.1000000000000014"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2.6500000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="border_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O22">
+      <dia:attribute name="obj_pos">
+        <dia:point val="46,6.425"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="43.6287,6.05125;48.3712,6.79875"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#peer discovery#</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="46,6.64625"/>
+          </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="2"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O21" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O23">
+      <dia:attribute name="obj_pos">
+        <dia:point val="30.1652,9.95013"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="30.099,9.88401;35.4617,21.612"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="30.1652,9.95013"/>
+        <dia:point val="35.3686,21.5101"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="22"/>
+      </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="O5" connection="8"/>
+        <dia:connection handle="1" to="O11" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O24">
+      <dia:attribute name="obj_pos">
+        <dia:point val="42.5163,7.79918"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="25.2985,7.73432;42.5811,14.6695"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="42.5163,7.79918"/>
+        <dia:point val="25.4025,14.5498"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="22"/>
+      </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="O21" connection="8"/>
+        <dia:connection handle="1" to="O4" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O25">
+      <dia:attribute name="obj_pos">
+        <dia:point val="45.1416,7.79925"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="36.5087,7.73035;45.2105,21.6049"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="45.1416,7.79925"/>
+        <dia:point val="36.5776,21.5101"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="22"/>
+      </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="O21" connection="8"/>
+        <dia:connection handle="1" to="O11" connection="8"/>
+      </dia:connections>
+    </dia:object>
+  </dia:layer>
+</dia:diagram>

diff --git a/doc/research2/img/kernel.dia.autosave b/doc/research2/img/kernel.dia.autosave
new file mode 100644 (file)
index 0000000..cb443f9
--- /dev/null
+++ b/doc/research2/img/kernel.dia.autosave
@@ -0,0 +1,986 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<dia:diagram xmlns:dia="http://www.lysator.liu.se/~alla/dia/">
+  <dia:diagramdata>
+    <dia:attribute name="background">
+      <dia:color val="#ffffff"/>
+    </dia:attribute>
+    <dia:attribute name="pagebreak">
+      <dia:color val="#000099"/>
+    </dia:attribute>
+    <dia:attribute name="paper">
+      <dia:composite type="paper">
+        <dia:attribute name="name">
+          <dia:string>#Letter#</dia:string>
+        </dia:attribute>
+        <dia:attribute name="tmargin">
+          <dia:real val="2.5399999618530273"/>
+        </dia:attribute>
+        <dia:attribute name="bmargin">
+          <dia:real val="2.5399999618530273"/>
+        </dia:attribute>
+        <dia:attribute name="lmargin">
+          <dia:real val="2.5399999618530273"/>
+        </dia:attribute>
+        <dia:attribute name="rmargin">
+          <dia:real val="2.5399999618530273"/>
+        </dia:attribute>
+        <dia:attribute name="is_portrait">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+        <dia:attribute name="scaling">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="fitto">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+      </dia:composite>
+    </dia:attribute>
+    <dia:attribute name="grid">
+      <dia:composite type="grid">
+        <dia:attribute name="width_x">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="width_y">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="visible_x">
+          <dia:int val="1"/>
+        </dia:attribute>
+        <dia:attribute name="visible_y">
+          <dia:int val="1"/>
+        </dia:attribute>
+        <dia:composite type="color"/>
+      </dia:composite>
+    </dia:attribute>
+    <dia:attribute name="color">
+      <dia:color val="#d8e5e5"/>
+    </dia:attribute>
+    <dia:attribute name="guides">
+      <dia:composite type="guides">
+        <dia:attribute name="hguides"/>
+        <dia:attribute name="vguides"/>
+      </dia:composite>
+    </dia:attribute>
+  </dia:diagramdata>
+  <dia:layer name="Background" visible="true" active="true">
+    <dia:object type="Standard - Line" version="0" id="O0">
+      <dia:attribute name="obj_pos">
+        <dia:point val="14.5,18.3"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.495,18.295;44.855,18.305"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="14.5,18.3"/>
+        <dia:point val="44.85,18.3"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.010000000000000002"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O1">
+      <dia:attribute name="obj_pos">
+        <dia:point val="15.625,12.81"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="15.62,12.795;30.655,12.815"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="15.625,12.81"/>
+        <dia:point val="30.65,12.8"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.010000000000000002"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Box" version="0" id="O2">
+      <dia:attribute name="obj_pos">
+        <dia:point val="19.1,2.35"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="19.095,2.345;40.355,10.505"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="19.1,2.35"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="21.25"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="8.1500000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="border_width">
+        <dia:real val="0.010000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O3">
+      <dia:attribute name="obj_pos">
+        <dia:point val="29.725,6.425"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="28.9838,6.3775;30.4663,6.4725"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Sender (Seeder) / Receiver (Leecher)#</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="0.10000000149011612"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="29.725,6.4525"/>
+          </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="2"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O2" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Box" version="0" id="O4">
+      <dia:attribute name="obj_pos">
+        <dia:point val="51.65,15.3"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="51.6,15.25;58.05,17.35"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="51.65,15.3"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="6.3500000000000014"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.9999999999999982"/>
+      </dia:attribute>
+      <dia:attribute name="border_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O5">
+      <dia:attribute name="obj_pos">
+        <dia:point val="54.825,16.3"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="52.9088,15.9263;56.7413,16.6738"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#??LEDBAT??#</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="54.825,16.5213"/>
+          </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="2"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O4" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Box" version="0" id="O6">
+      <dia:attribute name="obj_pos">
+        <dia:point val="17.5,14.6"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="17.495,14.595;27.605,16.755"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="17.5,14.6"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="10.100000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2.1499999999999986"/>
+      </dia:attribute>
+      <dia:attribute name="border_width">
+        <dia:real val="0.010000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Box" version="0" id="O7">
+      <dia:attribute name="obj_pos">
+        <dia:point val="21.9,8.6"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="21.895,8.595;37.805,9.905"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="21.9,8.6"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="15.899999999999999"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.3000000000000007"/>
+      </dia:attribute>
+      <dia:attribute name="border_width">
+        <dia:real val="0.010000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O8">
+      <dia:attribute name="obj_pos">
+        <dia:point val="29.85,9.25"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="29.6425,9.2025;30.0575,9.2975"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#socket API#</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="0.10000000149011612"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="29.85,9.2775"/>
+          </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="2"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O7" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O9">
+      <dia:attribute name="obj_pos">
+        <dia:point val="29.1068,9.90411"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="23.7687,9.89705;29.1139,14.6024"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="29.1068,9.90411"/>
+        <dia:point val="23.7771,14.595"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.010000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="22"/>
+      </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="O7" connection="8"/>
+        <dia:connection handle="1" to="O6" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O10">
+      <dia:attribute name="obj_pos">
+        <dia:point val="9.55,16.05"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="9.33125,16.0025;9.76875,16.0975"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#user space#</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="0.10000000149011612"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="9.55,16.0775"/>
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+          <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">
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+      </dia:attribute>
+    </dia:object>
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+        <dia:point val="9.7,20.9"/>
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+      <dia:attribute name="obj_bb">
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+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#kernel space#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
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+          <dia:attribute name="height">
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+            <dia:color val="#000000"/>
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+      <dia:attribute name="obj_bb">
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+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#raw socket implementation#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
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+          <dia:attribute name="pos">
+            <dia:point val="22.55,15.7025"/>
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+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
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+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
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+        <dia:connection handle="0" to="O6" connection="8"/>
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+      <dia:attribute name="text">
+        <dia:composite type="text">
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+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
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+          <dia:attribute name="height">
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+      <dia:attribute name="obj_bb">
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+      <dia:attribute name="border_width">
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+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
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+        <dia:point val="35.875,22.635"/>
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+      <dia:attribute name="obj_bb">
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+      <dia:attribute name="text">
+        <dia:composite type="text">
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+            <dia:font family="sans" style="0" name="Helvetica"/>
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+      <dia:attribute name="elem_height">
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+      <dia:attribute name="border_width">
+        <dia:real val="0.010000000000000002"/>
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+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
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+      <dia:attribute name="line_style">
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+      <dia:attribute name="show_background">
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+      <dia:attribute name="line_style">
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+            <dia:font family="sans" style="0" name="Helvetica"/>
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+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.010000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="22"/>
+      </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="O24" connection="8"/>
+        <dia:connection handle="1" to="O14" connection="8"/>
+      </dia:connections>
+    </dia:object>
+  </dia:layer>
+</dia:diagram>

diff --git a/doc/research2/img/kernel.png b/doc/research2/img/kernel.png
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diff --git a/doc/research2/src/arch.tex b/doc/research2/src/arch.tex
index e69de29..1e16e6e 100644 (file)
--- a/doc/research2/src/arch.tex
+++ b/doc/research2/src/arch.tex
@@ -0,0 +1,42 @@
+
+
+In this section we present our current architectural design along with the motivation of choices. We are also going to 
+detail our protocol and the packet structure used.
+
+In figure \labelindexref{Figure}{img:archov} we see the main conceptual modules: Application module, 
+wrapper library, peer discovery overlay and the swift transport protocol layer.
+
+\image[scale=0.4]{img/archov.png}{img:archov}{Overview architecture}
+
+The Application module represents the remaining part of the old swift implementation. This is the part that remains in
+user space and contains the file management and hash management features. 
+
+The wrapper library module defines a socket-like API for the user space applications. An regular program will use those
+calls instead of the normal socket ones to use the multiparty sockets. For the moment those calls are simulated system
+calls that initially are resolved with the socket raw implementation (still in user space) . 
+In the future this wrapper library will represent entry points into the kernel.
+
+The peer discovery overlay will remain unchanged. It is still going to work based on UDP sockets and link the same
+levels in the swift implementation as before. 
+
+The multiparty protocol is implemented for now by a user level socket raw layer. This has the advantage of simulating the
+real design modularization but also permit an easier debugging and testing procedure of the integration. In the next step
+this part will be represented by a kernel patch that will communicate through custom made system calls with the wrapper
+library. 
+
+\image[scale=0.5]{img/kernel.png}{img:kernel}{Detail architecture}
+
+\begin{comment}
+In this picture we try to define more which elements are in US and which are in KS. 
+In the first implementation we will make an US implementation for our protocol with raw socket to validate our architecture 
+and to make easier our kernel implementation that will communicate with this implementation.  
+
+Raw socket implementation will support all syscalls and it will be a copy of our kernel implementation. 
+This implementation will have the same API and behavior with kernel implementation. The peer discover will be in 
+Application implementation and it will be developer problems how to implement and how to manage it. 
+When you make a syscall you need to pass the ips where the protocol can find the specify hash 
+
+In the first implementation a swift socket will be available for only one operation transmit data or receive data.  
+In the last implementation the swift protocol will be develop in kernel space, and it will be accessible with a datagram 
+socket that will support all socket syscalls. It will intend to support both operations (receive/ send) data over only one socket.
+\end{comment}
\ No newline at end of file

diff --git a/doc/research2/src/rawsock.tex b/doc/research2/src/rawsock.tex
index e69de29..fd40910 100644 (file)
--- a/doc/research2/src/rawsock.tex
+++ b/doc/research2/src/rawsock.tex
@@ -0,0 +1,4 @@
+
+
+
+