Initial commit with past talks

.gitignore

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+# libreoffice:
+\.~lock\.*#
+*.pdf

osmodevcon2019/osmo-gsm-tester/topology.txt

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+graph {
+  ogt [label="osmo-gsm-tester"]
+
+  ogt -- {iperf3cli ofono bts sgsn ggsn iperf3srv} [style=dashed]
+
+  subgraph ogt_sub {
+    rankdir = LR
+
+    subgraph clusterNetns {
+        graph[style=dotted];
+        label="modem netns";
+        iperf3cli [label = "iperf3 cli"]
+        modemiface [label = "modem netiface"]
+        iperf3cli -- modemiface [label = "IP"]
+    }
+
+    subgraph clusterdefault {
+        graph[style=dotted];
+        label="default netns";
+        ofono
+        udev
+        modem
+        bts [label = "osmo-bts+pcu"]
+        btshw [label = "BTS HW"]
+        sgsn [label = "osmo-sgsn"]
+        ggsn [label = "osmo-ggsn"]
+        tun [label = "tun netiface"]
+        iperf3srv [label = "iperf3-srv"]
+
+        {rank = same; ofono; bts; sgsn; ggsn; iperf3srv}
+        {rank = same; modem; btshw}
+
+        ofono -- modem [label = "QMI"]
+        ofono -- udev
+        bts -- btshw [label = "L1SAP"]
+        modem -- btshw [label = "Um"]
+        bts -- sgsn [label = "Gb"]
+        sgsn -- ggsn [label = "GTP"]
+        ggsn -- tun
+        tun -- iperf3srv [label = "IP"]
+    }
+
+    udev -- modemiface
+    modemiface -- modem
+  }
+}