def check_threshold(service, config_high_threshold, config_low_threshold, curr_util):
    """ Checks whether Utilization crossed discrete threshold

    Args:
        service: Name of the micro/macroservice
        config_high_threshold: Upper limit threshold to utilization set in config file
        config_low_threshold: Lower limit threshold to utilization set in config file
        curr_util: value of the current utilization

    Returns:
        String "High" if upper limit crossed
        String "Low" if lower limit crossed
        String "Normal" if none crossed
    """

    if float(curr_util) > float(config_high_threshold):
        return "High"
    elif float(curr_util) < float(config_low_threshold):
        return "Low"
    else:
        return "Normal"