@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		TaskTrackerID other = (TaskTrackerID) obj;
		if (ID != other.ID)
			return false;
		if (host == null) {
			if (other.host != null)
				return false;
		} else if (!host.equals(other.host))
			return false;
		if (port != other.port)
			return false;
		return true;
	}