Abstract—Nowadays, so many people are connected to the internet to access the different resources of their use and different companies are using distributed environment to provide their services to the customers. So there is a need of more secure distributed environment in which all transaction and operations can be complete successfully in a secure way. In distributed System environment it is very important to provide service at anytime, anywhere to the customers, this require proper time management of all computing and networking resources, resource allocation on time and their proper utilization. In distributed environment security is primary concern.