Added tests for ipv6 hosts and refactored Comcast fabric.

Change-Id: I151564afee471cac5d3a3ff48b65dff609b13c23
diff --git a/TestON/tests/USECASE/SegmentRouting/SRRouting/dependencies/json/COMCAST_CONFIG_ipv4=1_ipv6=0_dhcp=1_routers=0.json b/TestON/tests/USECASE/SegmentRouting/SRRouting/dependencies/json/COMCAST_CONFIG_ipv4=1_ipv6=0_dhcp=1_routers=0.json
new file mode 100644
index 0000000..f943f35
--- /dev/null
+++ b/TestON/tests/USECASE/SegmentRouting/SRRouting/dependencies/json/COMCAST_CONFIG_ipv4=1_ipv6=0_dhcp=1_routers=0.json
@@ -0,0 +1,318 @@
+{
+    "ports" : {
+        "of:0000000000000001/3" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.1.0.254/24" ],
+                    "vlan-untagged": 10
+                }
+            ]
+        },
+        "of:0000000000000001/4" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.1.10.254/24" ],
+                    "vlan-untagged": 10
+                }
+            ]
+        },
+        "of:0000000000000002/6" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.2.0.254/24" ],
+                    "vlan-untagged": 10
+                }
+            ]
+        },
+        "of:0000000000000002/7" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.2.30.254/24" ],
+                    "vlan-untagged": 15
+                }
+            ]
+        },
+        "of:0000000000000002/8" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.2.20.254/24" ],
+                    "vlan-tagged": [30]
+                }
+            ]
+        },
+        "of:0000000000000003/8" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.2.10.254/24" ],
+                    "vlan-tagged": [20]
+                }
+            ]
+        },
+	"of:0000000000000003/9" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.2.40.254/24" ],
+                    "vlan-tagged": [40]
+                }
+            ]
+        },
+        "of:0000000000000003/6" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.2.30.254/24" ],
+                    "vlan-untagged": 15
+                }
+            ]
+        },
+        "of:0000000000000003/7" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.2.20.254/24" ],
+                    "vlan-tagged": [30]
+                }
+            ]
+        }, 
+        "of:0000000000000004/6" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.3.0.254/24" ],
+                    "vlan-tagged": [30]
+                }
+            ]
+        },
+        "of:0000000000000004/7" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.3.10.254/24" ],
+                    "vlan-tagged": [40]
+                }
+            ]
+        },
+        "of:0000000000000004/8" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.3.30.254/24" ],
+                    "vlan-tagged": [40]
+                }
+            ]
+        },
+        "of:0000000000000005/8" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.3.20.254/24" ],
+                    "vlan-tagged": [40]
+                }
+            ]
+        },
+        "of:0000000000000005/6" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.3.10.254/24" ],
+                    "vlan-tagged": [40]
+                }
+            ]
+        },
+        "of:0000000000000005/7" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.3.30.254/24" ],
+                    "vlan-tagged": [40]
+                }
+            ]
+        } 
+    },
+    "hosts" : { 
+ 	"00:aa:00:00:00:01/None" : {
+		"basic": {
+			"locations": ["of:0000000000000001/3"],
+			"ips": ["10.1.0.1"]
+		     }
+	    },
+	"00:aa:00:00:01:01/None" : {
+		"basic": {
+			"locations": ["of:0000000000000001/4"],
+			"ips": ["10.1.10.1"]
+		     }
+	    },
+	"00:aa:00:00:00:02/None" : {
+		"basic": {
+			"locations": ["of:0000000000000002/6"],
+			"ips": ["10.2.0.1"]
+		     }
+	    },
+	"00:aa:00:00:00:03/None" : {
+		"basic": {
+			"locations": ["of:0000000000000002/7", "of:0000000000000003/6"],
+			"ips": ["10.2.30.1"]
+		     }
+	    },
+	"00:aa:00:00:00:04/30" : {
+		"basic": {
+			"locations": ["of:0000000000000003/7","of:0000000000000002/8"],
+			"ips": ["10.2.20.1"]
+		     }
+	    },
+	"00:aa:00:00:00:05/20" : {
+		"basic": {
+			"locations": ["of:0000000000000003/8"],
+			"ips": ["10.2.10.1"]
+		     }
+	    },
+	"00:aa:00:00:01:05/40" : {
+		"basic": {
+			"locations": ["of:0000000000000003/9"],
+			"ips": ["10.2.40.1"]
+		     }
+	    },
+	"00:aa:00:00:00:06/30" : {
+		"basic": {
+			"locations": ["of:0000000000000004/6"],
+			"ips": ["10.3.0.1"]
+		     }
+	    },
+	"00:aa:00:00:00:07/40" : {
+		"basic": {
+			"locations": ["of:0000000000000005/6", "of:0000000000000004/7"],
+			"ips": ["10.3.10.1"]
+		     }
+	    },
+	"00:aa:00:00:00:08/40" : {
+		"basic": {
+			"locations": ["of:0000000000000004/8","of:0000000000000005/7"],
+			"ips": ["10.3.30.1"]
+		     }
+	    },
+	"00:aa:00:00:00:0A/40" : {
+		"basic": {
+			"locations": ["of:0000000000000005/8"],
+			"ips": ["10.3.20.1"]
+		     }
+	    }
+    },
+    "devices" : {
+        "of:0000000000000001" : {
+            "segmentrouting" : {
+                "name" : "s001",
+                "ipv4NodeSid" : 1,
+                "ipv4Loopback" : "192.168.0.1",
+                "routerMac" : "00:00:00:00:00:01",
+                "isEdgeRouter" : true,
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "driver" : "ofdpa-ovs",
+		"latitude":34,	
+		"longitude":-105
+            }
+        },
+        "of:0000000000000002" : {
+            "segmentrouting" : {
+                "name" : "s002",
+                "ipv4NodeSid" : 2,
+                "ipv4Loopback" : "192.168.0.2",
+                "routerMac" : "00:00:00:00:00:02",
+                "isEdgeRouter" : true,
+                "pairLocalPort" : 5,
+                "pairDeviceId": "of:0000000000000003",
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "driver" : "ofdpa-ovs",
+		"latitude":34,	
+		"longitude":-95
+            }
+        },
+        "of:0000000000000003" : {
+            "segmentrouting" : {
+                "name" : "s003",
+                "ipv4NodeSid" : 3,
+                "ipv4Loopback" : "192.168.0.3",
+                "routerMac" : "00:00:00:00:00:02",
+                "isEdgeRouter" : true,
+                "pairLocalPort" : 5,
+                "pairDeviceId": "of:0000000000000002",
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "driver" : "ofdpa-ovs",
+		"latitude":34,	
+		"longitude":-90
+            }
+        },
+        "of:0000000000000004" : {
+            "segmentrouting" : {
+                "name" : "s004",
+                "ipv4NodeSid" : 4,
+                "ipv4Loopback" : "192.168.0.4",
+                "routerMac" : "00:00:00:00:00:04",
+                "isEdgeRouter" : true,
+                "pairLocalPort" : 5,
+                "pairDeviceId": "of:0000000000000005",
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "driver" : "ofdpa-ovs",
+		"latitude":34,	
+		"longitude":-85
+            }
+        },
+        "of:0000000000000005" : {
+            "segmentrouting" : {
+                "name" : "s005",
+                "ipv4NodeSid" : 5,
+                "ipv4Loopback" : "192.168.0.5",
+                "routerMac" : "00:00:00:00:00:04",
+                "isEdgeRouter" : true,
+                "pairLocalPort" : 5,
+                "pairDeviceId": "of:0000000000000004",
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "driver" : "ofdpa-ovs",
+		"latitude":34,	
+		"longitude":-80
+            }
+        },
+        "of:0000000000000101" : {
+            "segmentrouting" : {
+                "name" : "s101",
+                "ipv4NodeSid" : 101,
+                "ipv4Loopback" : "192.168.0.101",
+                "routerMac" : "00:00:00:00:01:01",
+                "isEdgeRouter" : false,
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "driver" : "ofdpa-ovs",
+		"latitude":42,
+                "longitude":-100
+            }
+        },
+        "of:0000000000000102" : {
+            "segmentrouting" : {
+                "name" : "s102",
+                "ipv4NodeSid" : 102,
+                "ipv4Loopback" : "192.168.0.102",
+                "routerMac" : "00:00:00:00:01:02",
+                "isEdgeRouter" : false,
+                "adjacencySids" : []
+            },
+            "basic" : {
+                 "driver" : "ofdpa-ovs",
+		 "latitude":42,
+		 "longitude":-95
+            }
+        }   
+    },
+    "apps" : {
+	"org.onosproject.dhcprelay" : {
+		"default" : [ 
+			{
+				 "dhcpServerConnectPoint": "of:0000000000000102/10",
+				 "serverIps": ["10.0.3.253"]
+			}
+		]
+	}
+    }
+
+}