{
    "spine101": { "switches_before_failure": 10,
                  "links_before_failure": 48,
                  "switches_after_failure": 9,
                  "links_after_failure": 30 },
    "spine102": { "switches_before_failure": 10,
                  "links_before_failure": 48,
                  "switches_after_failure": 9,
                  "links_after_failure": 30 }
}