diff --git a/assignments/lab1/notes/graphdir/Cubic-sfqCoDel-8.ellipse b/assignments/lab1/notes/graphdir/Cubic-sfqCoDel-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..4d627d22c8ce39ba77633c201c37097850e178cc
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/Cubic-sfqCoDel-8.ellipse
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diff --git a/assignments/lab1/notes/graphdir/Cubic-sfqCoDel-8.pts b/assignments/lab1/notes/graphdir/Cubic-sfqCoDel-8.pts
new file mode 100644
index 0000000000000000000000000000000000000000..059bd716b7a80bf582a14f76637194e4a3dd5c10
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/Cubic-sfqCoDel-8.pts
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diff --git a/assignments/lab1/notes/graphdir/TCP-Linux-compound-8.ellipse b/assignments/lab1/notes/graphdir/TCP-Linux-compound-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..7028bb7811130534834accefb63a08bee7114702
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/TCP-Linux-compound-8.ellipse
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diff --git a/assignments/lab1/notes/graphdir/TCP-Linux-compound-8.pts b/assignments/lab1/notes/graphdir/TCP-Linux-compound-8.pts
new file mode 100644
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--- /dev/null
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diff --git a/assignments/lab1/notes/graphdir/TCP-Linux-cubic-8.ellipse b/assignments/lab1/notes/graphdir/TCP-Linux-cubic-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..d0a72fc0890d164dc14a98149327c6b99dfc2b27
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/TCP-Linux-cubic-8.ellipse
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diff --git a/assignments/lab1/notes/graphdir/TCP-Linux-cubic-8.pts b/assignments/lab1/notes/graphdir/TCP-Linux-cubic-8.pts
new file mode 100644
index 0000000000000000000000000000000000000000..26e3e1b3d9b877db05ea9ca3b579ce74ecd4f9ed
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diff --git a/assignments/lab1/notes/graphdir/TCP-Newreno-8.ellipse b/assignments/lab1/notes/graphdir/TCP-Newreno-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..39e6d50f91b5edd47ef47760498a7ae963222514
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/TCP-Newreno-8.ellipse
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diff --git a/assignments/lab1/notes/graphdir/TCP-Newreno-8.pts b/assignments/lab1/notes/graphdir/TCP-Newreno-8.pts
new file mode 100644
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diff --git a/assignments/lab1/notes/graphdir/TCP-Rational-0.1-8.ellipse b/assignments/lab1/notes/graphdir/TCP-Rational-0.1-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..14cbecba95e78c305843f310f27b7e54f90d1ba0
--- /dev/null
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diff --git a/assignments/lab1/notes/graphdir/TCP-Rational-0.1-8.pts b/assignments/lab1/notes/graphdir/TCP-Rational-0.1-8.pts
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diff --git a/assignments/lab1/notes/graphdir/TCP-Rational-1-8.ellipse b/assignments/lab1/notes/graphdir/TCP-Rational-1-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..6e41e40ed9cf4282b541bdf675774ea14c683593
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/TCP-Rational-1-8.ellipse
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diff --git a/assignments/lab1/notes/graphdir/TCP-Rational-1-8.pts b/assignments/lab1/notes/graphdir/TCP-Rational-1-8.pts
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diff --git a/assignments/lab1/notes/graphdir/TCP-Rational-10-8.ellipse b/assignments/lab1/notes/graphdir/TCP-Rational-10-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..294343484a06cd103e9b564ff3798709308b203f
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/TCP-Rational-10-8.ellipse
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diff --git a/assignments/lab1/notes/graphdir/TCP-Rational-10-8.pts b/assignments/lab1/notes/graphdir/TCP-Rational-10-8.pts
new file mode 100644
index 0000000000000000000000000000000000000000..ddaf2a1c87536659e6b61f71c86a18d39a7f2d78
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/TCP-Rational-10-8.pts
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diff --git a/assignments/lab1/notes/graphdir/TCP-Reno-XCP-8.ellipse b/assignments/lab1/notes/graphdir/TCP-Reno-XCP-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..d2112acbcf6cfed19a0912e2c8fff93a41a0cd72
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/TCP-Reno-XCP-8.ellipse
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diff --git a/assignments/lab1/notes/graphdir/TCP-Reno-XCP-8.pts b/assignments/lab1/notes/graphdir/TCP-Reno-XCP-8.pts
new file mode 100644
index 0000000000000000000000000000000000000000..884ceea8145b843df519196a906363ffa7aaded2
--- /dev/null
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diff --git a/assignments/lab1/notes/graphdir/TCP-Vegas-8.ellipse b/assignments/lab1/notes/graphdir/TCP-Vegas-8.ellipse
new file mode 100644
index 0000000000000000000000000000000000000000..2f69affcca2bf40c0015a771814462fe9cf95cf0
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/TCP-Vegas-8.ellipse
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diff --git a/assignments/lab1/notes/graphdir/TCP-Vegas-8.pts b/assignments/lab1/notes/graphdir/TCP-Vegas-8.pts
new file mode 100644
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diff --git a/assignments/lab1/notes/graphdir/graph-8.gnu b/assignments/lab1/notes/graphdir/graph-8.gnu
new file mode 100644
index 0000000000000000000000000000000000000000..e71cfffc9895ca15c83c4879a78b54f5599b9d42
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/graph-8.gnu
@@ -0,0 +1,28 @@
+set xrange [0:4.81667320313] reverse
+set yrange [0:1.81830054762]
+#set logscale x 2
+#set logscale y 2
+
+set xtics ("1" log(1)/log(2), "2" log(2)/log(2), "4" log(4)/log(2), "8" log(8)/log(2), "16" log(16)/log(2), "32" log(32)/log(2), "64" log(64)/log(2), "128" log(128)/log(2), "256" log(256)/log(2), "512" log(512)/log(2), "1024" log(1024)/log(2), "2048" log(2048)/log(2), "4096" log(4096)/log(2), "8192" log(8192)/log(2), "16384" log(16384)/log(2), "32768" log(32768)/log(2))
+
+set xlabel "Queueing delay (ms)"
+set ylabel "Throughput (Mbps)"
+set grid
+
+#set title "15 Mbps dumbbell, Empirical distribution of flow lengths, nsrc 8"
+
+unset key
+
+set terminal svg fsize 14
+set output "graph-8.svg"
+set label "Vegas" at 1.4329594072761,0.01 point textcolor lt 1
+set label "RemyCC-10" at 0.378511623253742,1.11 point textcolor lt 1
+set label "Compound" at 2.92599941855622,0.81 point textcolor lt 1
+set label "Cubic" at 3.26303440583379,1.06 point textcolor lt 1
+set label "Cubic/sfqCoDel" at 4.45285896471381,1.26 point textcolor lt 1
+set label "XCP" at 3.56071495447448,1.26 point textcolor lt 1
+set label "RemyCC-0.1" at 1.67807190511263,1.73 point textcolor lt 1
+set label "RemyCC-1" at 0.765534746362967,1.45 point textcolor lt 1
+set label "NewReno" at 2.58496250072116,0.665 point textcolor lt 1
+plot "TCP-Vegas-8.ellipse" with lines lt 1, "TCP-Rational-10-8.ellipse" with lines lt 1, "TCP-Linux-compound-8.ellipse" with lines lt 1, "TCP-Linux-cubic-8.ellipse" with lines lt 1, "Cubic-sfqCoDel-8.ellipse" with lines lt 1, "TCP-Reno-XCP-8.ellipse" with lines lt 1, "TCP-Rational-0.1-8.ellipse" with lines lt 1, "TCP-Rational-1-8.ellipse" with lines lt 1, "TCP-Newreno-8.ellipse" with lines lt 1
+set output
diff --git a/assignments/lab1/notes/graphdir/graph-8.png b/assignments/lab1/notes/graphdir/graph-8.png
new file mode 100644
index 0000000000000000000000000000000000000000..d26efd8174653c21b2a6171e851f92e1be07dbda
Binary files /dev/null and b/assignments/lab1/notes/graphdir/graph-8.png differ
diff --git a/assignments/lab1/notes/graphdir/graph-8.svg b/assignments/lab1/notes/graphdir/graph-8.svg
new file mode 100644
index 0000000000000000000000000000000000000000..de96a4369ff4ecd5a3fc6872c09d65e77461c190
--- /dev/null
+++ b/assignments/lab1/notes/graphdir/graph-8.svg
@@ -0,0 +1,964 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg 
+ width="600" height="480" 
+ viewBox="0 0 600 480"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 4.6 patchlevel 4 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="600" height="480" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5'/>
+	<path id='gpPt0' stroke-width='0.190' stroke='currentColor' d='M-1,0 h2 M0,-1 v2'/>
+	<path id='gpPt1' stroke-width='0.190' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
+	<path id='gpPt2' stroke-width='0.190' stroke='currentColor' d='M-1,0 L1,0 M0,-1 L0,1 M-1,-1 L1,1 M-1,1 L1,-1'/>
+	<rect id='gpPt3' stroke-width='0.190' stroke='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<rect id='gpPt4' stroke-width='0.190' stroke='currentColor' fill='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<circle id='gpPt5' stroke-width='0.190' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.190' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+</defs>
+<g style="fill:none; color:white; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+</g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,412.8 L570.8,412.8  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,412.8 L94.5,412.8 M570.8,412.8 L560.3,412.8  h0.01'/>	<g transform="translate(74.3,418.0)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 0</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,369.5 L570.8,369.5  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,369.5 L94.5,369.5 M570.8,369.5 L560.3,369.5  h0.01'/>	<g transform="translate(74.3,374.7)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 0.2</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,326.3 L570.8,326.3  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,326.3 L94.5,326.3 M570.8,326.3 L560.3,326.3  h0.01'/>	<g transform="translate(74.3,331.5)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 0.4</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,283.0 L570.8,283.0  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,283.0 L94.5,283.0 M570.8,283.0 L560.3,283.0  h0.01'/>	<g transform="translate(74.3,288.2)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 0.6</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,239.8 L570.8,239.8  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,239.8 L94.5,239.8 M570.8,239.8 L560.3,239.8  h0.01'/>	<g transform="translate(74.3,245.0)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 0.8</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,196.5 L570.8,196.5  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,196.5 L94.5,196.5 M570.8,196.5 L560.3,196.5  h0.01'/>	<g transform="translate(74.3,201.7)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 1</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,153.2 L570.8,153.2  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,153.2 L94.5,153.2 M570.8,153.2 L560.3,153.2  h0.01'/>	<g transform="translate(74.3,158.4)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 1.2</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,110.0 L570.8,110.0  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,110.0 L94.5,110.0 M570.8,110.0 L560.3,110.0  h0.01'/>	<g transform="translate(74.3,115.2)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 1.4</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,66.7 L570.8,66.7  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,66.7 L94.5,66.7 M570.8,66.7 L560.3,66.7  h0.01'/>	<g transform="translate(74.3,71.9)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 1.6</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M84.0,23.5 L570.8,23.5  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M84.0,23.5 L94.5,23.5 M570.8,23.5 L560.3,23.5  h0.01'/>	<g transform="translate(74.3,28.7)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:end">
+		<text> 1.8</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M570.8,412.8 L570.8,19.5  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M570.8,412.8 L570.8,402.3 M570.8,19.5 L570.8,30.0  h0.01'/>	<g transform="translate(570.8,439.0)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:middle">
+		<text>1</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M469.7,412.8 L469.7,19.5  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M469.7,412.8 L469.7,402.3 M469.7,19.5 L469.7,30.0  h0.01'/>	<g transform="translate(469.7,439.0)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:middle">
+		<text>2</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M368.7,412.8 L368.7,19.5  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M368.7,412.8 L368.7,402.3 M368.7,19.5 L368.7,30.0  h0.01'/>	<g transform="translate(368.7,439.0)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:middle">
+		<text>4</text>
+	</g>
+</g>
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+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M267.6,412.8 L267.6,19.5  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M267.6,412.8 L267.6,402.3 M267.6,19.5 L267.6,30.0  h0.01'/>	<g transform="translate(267.6,439.0)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:middle">
+		<text>8</text>
+	</g>
+</g>
+<g style="fill:none; color:gray; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='gray' stroke-dasharray=' 2,4' class="gridline"  d='M166.5,412.8 L166.5,19.5  h0.01'/></g>
+<g style="fill:none; color:black; stroke:currentColor; stroke-width:1.00; stroke-linecap:butt; stroke-linejoin:miter">
+	<path stroke='black'  d='M166.5,412.8 L166.5,402.3 M166.5,19.5 L166.5,30.0  h0.01'/>	<g transform="translate(166.5,439.0)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:middle">
+		<text>16</text>
+	</g>
+	<path stroke='black'  d='M84.0,19.5 L84.0,412.8 L570.8,412.8 L570.8,19.5 L84.0,19.5 Z  h0.01'/>	<g transform="translate(20.5,216.2) rotate(270)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:middle">
+		<text>Throughput (Mbps)</text>
+	</g>
+	<g transform="translate(327.4,470.5)" style="stroke:none; fill:black; font-family:Arial; font-size:14.00pt; text-anchor:middle">
+		<text>Queueing delay (ms)</text>
+	</g>
+	<g transform="translate(431.2,410.6)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>Vegas</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(426.0,410.6) scale(5.25)' color='black'/>
+	<g transform="translate(537.7,172.7)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>RemyCC-10</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(532.5,172.7) scale(5.25)' color='black'/>
+	<g transform="translate(280.3,237.6)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>Compound</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(275.1,237.6) scale(5.25)' color='black'/>
+	<g transform="translate(246.2,183.5)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>Cubic</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(241.0,183.5) scale(5.25)' color='black'/>
+	<g transform="translate(126.0,140.3)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>Cubic/sfqCoDel</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(120.8,140.3) scale(5.25)' color='black'/>
+	<g transform="translate(216.1,140.3)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>XCP</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(210.9,140.3) scale(5.25)' color='black'/>
+	<g transform="translate(406.4,38.6)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>RemyCC-0.1</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(401.2,38.6) scale(5.25)' color='black'/>
+	<g transform="translate(498.6,99.2)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>RemyCC-1</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(493.4,99.2) scale(5.25)' color='black'/>
+	<g transform="translate(314.7,269.0)" style="stroke:none; fill:red; font-family:Arial; font-size:14.00pt; text-anchor:start">
+		<text>NewReno</text>
+	</g>
+	<use xlink:href='#gpPt0' transform='translate(309.5,269.0) scale(5.25)' color='black'/>
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+
diff --git a/assignments/lab1/notes/notes.md b/assignments/lab1/notes/notes.md
new file mode 100644
index 0000000000000000000000000000000000000000..e7a197226c1b3e1e47be382d285e8ef18288b509
--- /dev/null
+++ b/assignments/lab1/notes/notes.md
@@ -0,0 +1,304 @@
+# Reproducing Remy in CloudLab
+
+## Basic resources
+
+* Start with Remy instructions here: http://web.mit.edu/remy/#reproduce
+* Use the 'OnePC-Ubuntu14' profile, make sure it run it on the 'Utah Apt' cluster
+
+## Getting Remy installed
+
+*(Note: all of these steps executed on the CloudLab node)*
+
+* `sudo apt-get install libprotobuf-dev`
+	
+  **Failed, package not found**
+  
+* Searched for 'libprotobuf-devel ubuntu trusty' in Google, found nothing helpful
+
+* `sudo apt-get update`
+	
+  **Got an error, apt-get suggested that I run it again**
+  
+* `sudo apt-get update`
+
+  **Same error, decided to keep going anyway**
+  
+* `sudo apt-get install libprotobuf-dev`
+	
+  **Seems to have worked this time**
+
+* `cd /local`
+
+* `sudo chmod a+rwx .`
+
+* `wget http://web.mit.edu/remy/remy-reproduce-1.0.tar.gz`
+
+* `tar zxvf remy-reproduce-1.0.tar.gz`
+
+* `cd remy-reproduce-1.0`
+
+* `./install`
+
+Failed with:
+
+    In file included from /local/remy-reproduce-1.0/tk8.5.10/unix/../generic/tkInt.h:19:0,
+                 from /local/remy-reproduce-1.0/tk8.5.10/unix/../generic/tk3d.c:14:
+    /local/remy-reproduce-1.0/tk8.5.10/unix/../generic/tk.h:76:23: fatal error: X11/Xlib.h: No such file or directory
+    # include <X11/Xlib.h>
+                       ^
+    compilation terminated.
+    make: *** [tk3d.o] Error 1
+    tk8.5.10 make failed! Exiting ...
+    
+* `sudo apt-get install apt-file`
+
+* `sudo apt-file update`
+
+* `apt-file search Xlib.h`
+
+  **The libx11-dev package looks like the most likely candidate**
+
+* `sudo apt-get install libx11-dev`
+
+* `./install`
+
+  **Seems to be re-doing the entire build process, ugh, this might take a while**
+  
+Fails with:
+
+	checking for X11 header files
+	can't find X includes
+	otcl-1.14 configuration failed! Exiting ...
+	Please check http://www.isi.edu/nsnam/ns/ns-problems.html
+	for common problems and bug fixes.
+	
+* Google for `ubuntu trusty x11 header files`
+
+  **Looks like I want the xorg-dev package**
+  
+* `sudo apt-get install xorg-dev`
+
+* Look in `install` script to see if I can easily re-start the build partway through. Nope, looks way more complicated than I want to figure out
+
+* `./install`
+
+Died with a ton of errors, the relevant one might be:
+
+	tcp/remy/dna.pb.h:17:2: error: #error This file was generated by an older version of protoc which is
+ 	#error This file was generated by an older version of protoc which is
+	^
+	tcp/remy/dna.pb.h:18:2: error: #error incompatible with your Protocol 	Buffer headers. Please
+ 	#error incompatible with your Protocol Buffer headers.  Please
+	^
+	tcp/remy/dna.pb.h:19:2: error: #error regenerate this file with a newer version of protoc.
+	#error regenerate this file with a newer version of protoc.
+	^
+	
+* `find . -name dna.pb.h`
+
+	In `./ns-2.35/tcp/remy/dna.pb.h`
+
+* `cd ns-2.35/tcp/remy/`
+
+* I assume `dna.proto` must be the file `dna.pb.h` is compiled from?
+
+* `protoc dna.proto`
+
+  **Fails with `The program 'protoc' is currently not installed.`**
+  
+* `sudo apt-get install protobuf-compiler`
+
+* `protoc dna.proto`
+
+  **Fails with `Missing output directives.`**
+  
+* Google for `Missing output directives. protoc`. Get nothing very helpful
+
+* `man protoc` Suggests that maybe I want to use `--cpp_out=OUT_DIR`
+
+* `protoc --cpp_out=. dna.proto`
+
+  **This seems to work**
+  
+* Try `make` in this directory to see if I can build just from this point, argh, no.
+
+* `cd ../../`
+
+* `make`
+
+  **This seems to start building from the same point, whew**
+  
+Fails; lots of warnings, this seems to be the error:
+
+    In file included from /usr/include/c++/4.8/random:38:0,
+                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
+                 from /usr/include/c++/4.8/algorithm:62,
+                 from /usr/include/google/protobuf/repeated_field.h:49,
+                 from tcp/remy/dna.pb.h:24,
+                 from tcp/remy/memory.hh:8,
+                 from tcp/remy/memoryrange.hh:6,
+                 from tcp/remy/whisker.hh:6,
+                 from tcp/remy/whiskertree.hh:4,
+                 from tcp/tcp-rational.h:17,
+                 from tcp/tcp-rational.cc:15:
+	/usr/include/c++/4.8/cmath:99:16: error: ‘template<class _Tp> constexpr typename __gnu_cxx::__enable_if<std::__is_integer<_Tp>::__value, double>::__type std::abs(_Tp)’ conflicts with previous using declaration ‘template<class Type> Type abs(Type)’
+     abs(_Tp __x)
+                ^
+                
+ * `cd tcp/`
+ 
+ * Edit `tcp-rational.cc` - no mention of abs()
+ 
+ * Get tired of not having vim, `sudo apt-get install vim`
+
+ * Edit `tcp-rational.h` - nothing about abs() in here either
+
+ * `grep abs *.h` - get lots of useless stuff, try ` grep abs *.h | grep -v tabs`. Looks like offender is in `template.h`
+
+ * Try commenting out `abs()` template in `template.h` (lines 86--90)
+
+ * `cd ../`
+
+ * `make`
+
+   **Yay, seems to get farther!**
+   
+   **Got excited to soon, now compile fails when it tries to use `abs()`**
+   
+ * Edit `template.h` to rename `abs()` to `generic_abs()`, edit `sctp/sctp.cc` to call `generic_abs()` on line 2311
+
+ * `make`
+ 
+   **Yay, seems to compile fully! Time to go back to top-level install**
+   
+* `cd ../`
+
+* `./install`
+
+  **Hooray, finally workd, it seems!** 
+  
+Important(?) message:
+
+	Please put /local/remy-reproduce-1.0/bin:/local/remy-reproduce-1.0/tcl8.5.10/unix:/local/remy-reproduce-1.0/tk8.5.10/unix
+	into your PATH environment; so that you'll be able to run itm/tclsh/wish/xgraph.
+
+	IMPORTANT NOTICES:
+
+	(1) You MUST put /local/remy-reproduce-1.0/otcl-1.14, /local/remy-reproduce-1.0/lib,
+	    into your LD_LIBRARY_PATH environment variable.
+   	 If it complains about X libraries, add path to your X libraries
+	    into LD_LIBRARY_PATH.
+	    If you are using csh, you can set it like:
+			setenv LD_LIBRARY_PATH <paths>
+	    If you are using sh, you can set it like:
+			export LD_LIBRARY_PATH=<paths>
+
+	(2) You MUST put /local/remy-reproduce-1.0/tcl8.5.10/library into your TCL_LIBRARY environmental
+    variable. Otherwise ns/nam will complain during startup.
+
+
+	After these steps, you can now run the ns validation suite with
+	cd ns-2.35; ./validate
+
+	For trouble shooting, please first read ns problems page
+	http://www.isi.edu/nsnam/ns/ns-problems.html. Also search the ns mailing list archive
+	for related posts.
+	
+## Make a tarall of the build and copy it off just in case
+
+* `cd /local`
+
+* `tar czvf remy-built.tar.gz remy-reproduce-1.0`
+
+* From my latop, `scp` the file
+
+## Profile 
+
+* Made a new profile called RemyCC
+
+* Created a new instance
+
+## Try to reproduce results
+
+Back to the instructions on the Remy webpage
+
+* `cd /local/remy-reproduce-1.0/ns-2.35/tcl/ex/congctrl/`
+
+* `./run-figure4-parallel`
+
+**Error returned**
+  
+	Traceback (most recent call last):
+	    ImportErrorimport matplotlib
+	  File "runremy.py", line 5, in <module>
+	:   File "runremy.py", line 5, in <module>
+	ImportError: No module named matplotlib    import matplotlib
+	        import matplotlib
+	ImportErrorNo module named matplotlib: No module named matplotlib
+	ImportError:
+	No module named matplotlib
+	
+* `apt-cache search matplotlib`
+
+* `sudo apt-get install python-matplotlib`
+
+* `./run-figure4-parallel`
+
+  **Something seems to be happening in the background. It's not clear
+    how I will know when it's done. I probably should have started it in screen or tmux.**
+    
+  Remy instructions tell me that this will take a long time, but they give me no idea how long that will be or how I can tell when it's done. For now I am trying to guess by watching with `top`.
+  
+  Remy instructions say that I can start generating graphs after a few are done, so I'll try that now
+  
+* `cd ../graphing-scripts`
+
+* `./graphmaker ../congctrl/results/`
+
+  **Complains about not having inkscape**
+  
+* `sudo apt-get install inkscape`
+
+* `./graphmaker ../congctrl/results/`
+
+  **Complains `Found ../congctrl/results/graphdir directory from previous run. This needs to be deleted.`**
+  
+* `rm -rf  ../congctrl/results/graphdir`
+
+* `./graphmaker ../congctrl/results/`
+
+  **Complains `ellipsemaker: command not found`**
+  
+* Edited graphmaker to print the path to ellipsemaker before running it
+
+* `rm -rf  ../congctrl/results/graphdir`
+
+* `./graphmaker ../congctrl/results/`
+
+  **Now works even though I didn't actually change the path to ellipsemaker**
+  
+  **But complains about not having gnuplot**
+  
+* `sudo apt-get install gnuplot`
+
+* `rm -rf  ../congctrl/results/graphdir`
+
+* `./graphmaker ../congctrl/results/`
+
+  **Success, it looks like**
+
+* Try to display results as suggested in paper: `display ../congctrl/results/graphdir/graph-8.png`
+
+  **Fails, no X server, makes sense, I don't have one running on my Mac**
+  
+* Copy file off to my laptop: `hostname` on CloudLab node to get name, then `scp -r node.ricci-qv2216.testbed-pg1.apt.emulab.net:/local/remy-reproduce-1.0/ns-2.35/tcl/ex/congctrl/results/graphdir/ .`
+
+* Open `graphdir/graph-8.png`
+
+  **Looks like it should, I think!**
+
+
+
+
+
+
diff --git a/assignments/lab1/notes/patches/abs.patch b/assignments/lab1/notes/patches/abs.patch
new file mode 100644
index 0000000000000000000000000000000000000000..9a886f6ca1d43454ee8c2aeead3ca65904a76768
--- /dev/null
+++ b/assignments/lab1/notes/patches/abs.patch
@@ -0,0 +1,22 @@
+--- remy-reproduce-1.0/ns-2.35/tcp/template.h	2013-07-18 23:50:47.000000000 -0600
++++ remy-reproduce-1.0.patched/ns-2.35/tcp/template.h	2015-02-26 10:59:35.540289651 -0700
+@@ -84,7 +84,7 @@
+ 
+ 
+ template <class Type>
+-inline Type abs(Type a)
++inline Type generic_abs(Type a)
+ {
+ 	return (a < 0) ? -a : a;
+ }
+--- remy-reproduce-1.0/ns-2.35/sctp/sctp.cc	2013-07-18 23:50:46.000000000 -0600
++++ remy-reproduce-1.0.patched/ns-2.35/sctp/sctp.cc	2015-02-26 11:00:23.429284645 -0700
+@@ -2308,7 +2308,7 @@
+     {
+       spDest->dRttVar 
+ 	= ( (1 - RTO_BETA) * spDest->dRttVar 
+-	    + RTO_BETA * abs(spDest->dSrtt - dNewRtt) );
++	    + RTO_BETA * generic_abs(spDest->dSrtt - dNewRtt) );
+ 
+       spDest->dSrtt 
+ 	= (1 - RTO_ALPHA) * spDest->dSrtt + RTO_ALPHA * dNewRtt;
diff --git a/assignments/lab1/notes/reproduce-steps.md b/assignments/lab1/notes/reproduce-steps.md
new file mode 100644
index 0000000000000000000000000000000000000000..6758c5aaeb305c36cd1b213e2f9b1361a552ad21
--- /dev/null
+++ b/assignments/lab1/notes/reproduce-steps.md
@@ -0,0 +1,49 @@
+0. Start a new experiment with this profile: OnePC-Ubuntu14
+
+1. Install required packages:
+	`sudo apt-get update;`
+	`sudo apt-get install libprotobuf-dev libx11-dev xorg-dev protobuf-compiler python-matplotlib inkscape gnuplot`
+
+2. Download remy-reproduce-1.0.tar.gz (61 MiB). This is a modified version of
+ns-allinone 2.35.
+	`wget http://web.mit.edu/remy/remy-reproduce-1.0.tar.gz`
+
+2.1 Download patch:
+	`wget https://gitlab.flux.utah.edu/ricci/remyrepro/raw/master/patches/abs.patch`
+
+3. Unpack the tarball:
+	`tar zxvf remy-reproduce-1.0.tar.gz`
+
+4. `cd remy-reproduce-1.0`
+
+4.1 Apply patch:
+	`patch -p1 < ../abs.patch`
+
+4.2 Re-build some header files:
+	`cd ns-2.35/tcp/remy/`
+	`protoc --cpp_out=. dna.proto`
+	`cd ../../../`
+
+5. Run `./install` This will compile the components of ns-allinone, including
+our modified ns-2.35.
+
+6. If successful, `cd ns-2.35/tcl/ex/congctrl`
+
+7. Run `./run-figure4-parallel`. By default, this runs the simulations
+necessary to construct Figure 4 (a 15 Mbps dumbbell network with RTT of 150
+millisecond).  This configuration is contained in
+remyconf/dumbbell-buf1000-rtt150-bneck15.tcl. The remyconf directory also
+includes the configurations used for the other figures. On a typical PC, the
+full job will take a long time to complete. It will run the simulations in
+parallel and in the background. After it has completed at least a few runs, you
+can start to graph the results.
+
+8.  `cd ../graphing-scripts`
+
+9. Run `./graphmaker ../congctrl/results/` This will output an SVG and PNG file
+for each nsrc (maximum degree of multiplexing) enumerated in
+run-figure4-parallel. (As distributed, only 8 is tested.) The graphmaker
+requires inkscape.
+
+10.  To view the images, copy them to your local machine. eg.
+	`scp -r <user>@<host>:remy-reproduce-1.0/ns-2.35/tcl/ex/congctrl/results .`