نتایج جستجو برای: service failure
تعداد نتایج: 687958 فیلتر نتایج به سال:
We study a processor sharing queue with a limited number of service positions and an infinite buffer. The occupied service positions share an underlying resource. We prove that for service times with a decreasing failure rate, the queue length is stochastically decreasing in the number of service positions, and that for service times with an increasing failure rate, the queue length is stochast...
FUSE is a lightweight failure notification service for building distributed systems. Distributed systems built with FUSE are guaranteed that failure notifications never fail. Whenever a failure notification is triggered, all live members of the FUSE group will hear a notification within a bounded period of time, irrespective of node or communication failures. In contrast to previous work on fai...
patient satisfaction is one of the sensitive indicators in determining the effectiveness of service rendered in hospitals. the study focus on comparing the health care services of two cardiology based corporate hospitals in hyderabad, andhra pradesh, india. the data for the study was collected through a questionnaire consisting of two sections. an attempt has been made to elicit the informatio...
We present a new failure detector implementation. This implementation, a variant of the heartbeat failure detector, is both adaptable and designed for scalability. Its first specificity of our implementation lies in the fact that it is designed as a shared service among several applications by way of an adaptation layer between the failure detector and the application. This layer adapts the qua...
This paper describes security failure-tolerant requirements, which tolerate the failures of security services that protect applications from security attacks. A security service, such as authentication, confidentiality or integrity security service, can be always broken down as advanced attack skills are coined. There is no security service that is forever secure. This paper describes an approa...
The dynamic composition of Web service can be modeled as a service oriented workflow. However during the execution of this workflow, potential failure can occur on-the-fly which make down the composed Web service. To avoid downtime of the overall process in execution, some recovery methods are required. The objective of this paper is to present a state of the art of the most known failures and ...
In this paper, failure mechanism of a 17th stage blade of an 82.5 MW steam turbine that caused damage to the internal turbine compartment and the adjacent blade equipment has been studied. In order to determine the cause of failure and prevent similar events, various metallurgical and mechanical investigations including chemical composition analysis, metallography and microstructural analysis, ...
In this paper, failure mechanism of a 17th stage blade of an 82.5 MW steam turbine that caused damage to the internal turbine compartment and the adjacent blade equipment has been studied. In order to determine the cause of failure and prevent similar events, various metallurgical and mechanical investigations including chemical composition analysis, metallography and microstructural analysis, ...
System characteristics of a two-unit repairable system are studied from a Bayesian viewpoint with different types of priors assumed for unknown parameters, in which the service station is unreliable. Times to failure and times to repair of the operating units are assumed to follow exponential distributions. In addition, failure times and repair times of the service station also follow exponenti...
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