Set Network() to string

network/default.go

@@ -189,8 +189,6 @@ func (n *network) Connect() (Node, error) {
 		node.transport = transport.DefaultTransport
 	}
 
-	// start the node
-
 	// we listen on a random address, this is not advertised
 	// TODO: use util/addr to get something anyone in the same private network can talk to
 	l, err := node.transport.Listen(":0")
@@ -479,8 +477,8 @@ func (n *node) Links() ([]Link, error) {
 	return links, nil
 }
 
-func (n *node) Network() Network {
-	return n.network
+func (n *node) Network() string {
+	return n.network.id
 }
 
 func (n *node) Send(m *Message) error {

network/network.go

@@ -10,10 +10,12 @@ import (
 	"github.com/micro/go-micro/network/router"
 )
 
-// Network defines a network interface
+// Network defines a network interface. The network is a single
+// shared network between all nodes connected to it. The network
+// is responsible for routing messages to the correct services.
 type Network interface {
 	options.Options
-	// Id of this node
+	// Id of the network
 	Id() string
 	// Connect to the network
 	Connect() (Node, error)
@@ -30,7 +32,7 @@ type Node interface {
 	// Address of the node
 	Address() string
 	// The network of the node
-	Network() Network
+	Network() string
 	// Links to other nodes
 	Links() ([]Link, error)
 	// Close the network connection