Architecture in Graphviz

architecture.dot

// dot.exe -T svg -o architecture.svg architecture.dot

digraph architecture {
	// Render chart with left to right layout
	rankdir="LR";

	// AMQP communication node
	amqp [label="AMQP",shape=box,fillcolor="burlywood",style="filled"]; 

	// Clients
	c0 [label="Client",shape=box,fillcolor="burlywood",style="filled"];
	c1 [label="Client",shape=box,fillcolor="burlywood",style="filled"];

	// Database
	db [label="Database",shape=box,fillcolor="burlywood",style="filled"];  

	// Load balancer
	lb [label="Load Balancer",shape=box,fillcolor="burlywood",style="filled"];  

	// Servers
	s0 [label="Server",shape=box,fillcolor="burlywood",style="filled"];
	s1 [label="Server",shape=box,fillcolor="burlywood",style="filled"];

	// Clients talks to Load Balancer
	c0 -> lb [dir=both];
	c1 -> lb [dir=both];

	// Load Balancer talks to servers
	lb -> s0 [dir=both];
	lb -> s1 [dir=both];

	// Servers are connected to AMQP
	s0 -> amqp [dir=both];
	s1 -> amqp [dir=both];

	// Servers are connected to Database
	s0 -> db [dir=both];
	s1 -> db [dir=both];
}