1 files changed, 38 insertions, 0 deletions
diff --git a/2021/running_osmo_gsm-2021/arch-usrp.dot b/2021/running_osmo_gsm-2021/arch-usrp.dot
new file mode 100644
index 0000000..b20042d
--- /dev/null
+++ b/2021/running_osmo_gsm-2021/arch-usrp.dot
@@ -0,0 +1,38 @@
+graph G {
+	rankdir=LR;
+	MS0 [label="MS",shape=box]
+	MS1 [label="MS",shape=box]
+	MS2 [label="MS",shape=box]
+
+	USRP [label="USRP Bxxx",shape=box]
+	USRP --OsmoTRX [label="USB"]
+
+	MS0--USRP [label="Um"]
+	MS1--USRP [label="Um"]
+	MS2--USRP [label="Um"]
+
+	subgraph cluster_0 {
+		label = "Linux PC (BTS)"
+		OsmoTRX
+		OsmoBTS
+		OsmoPCU [style="dashed"]
+		OsmoPCU -- OsmoBTS [label="pcu_sock"]
+		OsmoTRX -- OsmoBTS
+		{ rank=same; OsmoBTS OsmoPCU }
+	}
+
+	subgraph cluster_1 {
+		label = "Linux PC (Core)"
+		OsmoBSC
+		OsmoMSC
+		OsmoHLR
+		OsmoSGSN [style="dashed"]
+		OsmoGGSN [style="dashed"]
+		OsmoBTS -- OsmoBSC [label="Abis/IP"]
+		OsmoBSC -- OsmoMSC [label="A/IP"]
+		OsmoMSC -- OsmoHLR [label="GSUP/IP"]
+		OsmoPCU -- OsmoSGSN [label="Gb/IP"]
+		OsmoSGSN -- OsmoGGSN [label="Gn/IP"]
+		{ rank=same; OsmoMSC OsmoSGSN }
+	}
+}