[
    {
        "area": "1",
        "algorithm": 0,
        "level-1":  {
            "ipv4-paths": [
                {
                    "vertex": "r3"
                },
                {
                    "metric": 0,
                    "parent": "r3(4)",
                    "type": "IP internal",
                    "vertex": "10.0.10.0/24"
                },
                {
                    "interface": "r3-eth1",
                    "metric": 10,
                    "nextHop": "r5",
                    "parent": "r3(4)",
                    "type": "TE-IS",
                    "vertex": "r5"
                },
                {
                    "interface": "r3-eth1",
                    "metric": 10,
                    "nextHop": "r5",
                    "parent": "r5(4)",
                    "type": "IP TE",
                    "vertex": "10.0.10.0/24"
                },
                {
                    "interface": "r3-eth1",
                    "metric": 10,
                    "nextHop": "r5",
                    "parent": "r5(4)",
                    "type": "IP TE",
                    "vertex": "10.0.11.0/24"
                },
                {
                    "interface": "r3-eth1",
                    "metric": 20,
                    "nextHop": "r5",
                    "type": "TE-IS",
                    "vertex": "r4"
                },
                {
                    "interface": "r3-eth1",
                    "metric": 20,
                    "nextHop": "r5",
                    "parent": "r4(4)",
                    "type": "IP TE",
                    "vertex": "10.0.21.0/24"
                }
            ],
            "ipv6-paths": [
                {
                    "vertex": "r3"
                },
                {
                    "metric": 0,
                    "parent": "r3(4)",
                    "type": "IP6 internal",
                    "vertex": "2001:db8:2:1::/64"
                },
                {
                    "interface": "r3-eth1",
                    "metric": 10,
                    "nextHop": "r5",
                    "parent": "r3(4)",
                    "type": "TE-IS",
                    "vertex": "r5"
                },
                {
                    "metric": 10,
                    "interface": "r3-eth1",
                    "nextHop": "r5",
                    "parent": "r5(4)",
                    "type": "IP6 internal",
                    "vertex": "2001:db8:2:2::/64"
                },
                {
                    "interface": "r3-eth1",
                    "metric": 20,
                    "nextHop": "r5",
                    "type": "TE-IS",
                    "vertex": "r4"
                },
                {
                    "metric": 20,
                    "interface": "r3-eth1",
                    "nextHop": "r5",
                    "parent": "r4(4)",
                    "type": "IP6 internal",
                    "vertex": "2001:db8:1:2::/64"
                }
            ]
        },
        "level-2":  {
            "ipv4-paths": [
                {
                    "vertex": "r3"
                },
                {
                    "metric": 0,
                    "parent": "r3(4)",
                    "type": "IP internal",
                    "vertex": "10.0.20.0/24"
                },
                {
                    "interface": "r3-eth0",
                    "metric": 10,
                    "nextHop": "r1",
                    "parent": "r3(4)",
                    "type": "TE-IS",
                    "vertex": "r1"
                },
                {
                    "interface": "r3-eth0",
                    "metric": 10,
                    "nextHop": "r1",
                    "parent": "r1(4)",
                    "type": "IP TE",
                    "vertex": "10.0.20.0/24"
                }
            ],
            "ipv6-paths": [
                {
                    "vertex": "r3"
                },
                {
                    "metric": 0,
                    "parent": "r3(4)",
                    "type": "IP6 internal",
                    "vertex": "2001:db8:1:1::/64"
                },
                {
                    "interface": "r3-eth0",
                    "metric": 10,
                    "nextHop": "r1",
                    "parent": "r3(4)",
                    "type": "TE-IS",
                    "vertex": "r1"
                }
            ]
        }
    }
]