A method, system, and computer-program product for in-memory policy analytics are disclosed. The reticle elements are provided in the telescopic optical systems for focusing the telescopic optical systems. PDPs are adapted to identify network elements network services requiring identical configuration parameters by evaluating parameters advertised in the network and update policy related to identified groups in case of configuration error. It is therefore possible to suppress leakage of excrement from the lower portions of hips of the wearer.