graph G {

	nanoBTS [label="ip.access\nnanoBTS", shape=box];
	OsmoBTS;
	sysmoBTS [label="sysmocom sysmoBTS\n(many models)", shape=box];
	LC15 [label="Nuran\nLitecell 1.5", shape=box];
	OCT [label="Octasic\nOCTBTS", shape=box];
	TRX [label="OsmoTRX"];
	OtherSDR [label="Other SDR HW", shape=box, style=dashed];
	OtherPHY [label="Other GSM PHY", shape=box, style=dashed];
	UmTRX [label="Fairwaves\nUmTRX", shape=box];
	USRP [label="Ettus USRP\nFamily", shape=box];

	BSC -- nanoBTS [label="Abis/IP"];
	BSC -- OsmoBTS [label="Abis/IP"];

	BSC -- BS11 [label="Siemens\nAbis/E1"];
	BSC -- RBS2K [label="Ericsson\nAbis/E1"];
	BSC -- Nokia [label="Nokia\nAbis/E1"];

	subgraph cluster_2 {
		BSC [label="BSC\n(OsmoBSC, OsmoNITB, 3rd party)"];
		color=white
	}

	subgraph cluster_0 {
		BS11 [label="Siemens BS-11", shape=box];
		SIU [label="Ericsson SIU"];
		RBS2K [label="Ericsson RBS 2000\n(many models)", shape=box];
		Nokia [label="Nokia InSite, MetroSite", shape=box];

		BSC -- L2TPD [label="Unix Socket"];
		L2TPD -- SIU [label="Ericsson\nL2TP/IP"];
		SIU -- RBS2K [label="Ericsson\nAbis/E1"];

		{ rank=same; BS11 RBS2K Nokia }

		label = "Classic E1/T1";
	}

	subgraph cluster_1 {

		OsmoBTS -- sysmoBTS [label="osmo-bts-sysmo"];
		OsmoBTS -- LC15 [label="osmo-bts-lc15"];
		OsmoBTS -- OCT [label="osmo-bts-octphy"];
		OsmoBTS -- TRX [label="osmo-bts-trx"];
		OsmoBTS -- OtherPHY [style=dashed];

		TRX -- USRP;
		TRX -- UmTRX;
		TRX -- OtherSDR [style=dashed];

		{ rank=same; nanoBTS sysmoBTS LC15 OCT UmTRX }

		label = "IP/Ethernet based";
	}

}