Optimal IT Service Availability: Shorter Outages, or Fewer?
نویسندگان
چکیده
منابع مشابه
IT service management for high availability
R. Radhakrishnan K. Mark B. Powell High-availability service management (HASM) is defined as information technology (IT) service management that is designed to meet the business demand for availability of critical IT and IT-enabled business services. HASM requires the use of the Six Sigma method and analytical tools applied to key service management processes and services; event and incident mo...
متن کاملSystem availability with non-exponentially distributed outages
This paper studies the steady-state availability of systems with times to outages and recoveries that are generally distributed. Availability bounds are derived for systems with limited information about the distributions. Also investigated are the applicability of convenient exponential models in evaluating availability for systems that have two-sided bounded distributions of times to planned ...
متن کاملOptimal Storage Investment and Management under Uncertainty - It is costly to avoid outages!
Subject of this analysis is to show how storage is operated optimally under renewable and load uncertainty in the electricity system context. We estimate a homogeneous Markov Chain representation of the residual load in Germany in 2014 on an hourly basis and design a very simple dynamic stochastic electricity system model with non-intermittent generation technologies and storage. We compare the...
متن کاملTowards Optimal IT Availability Planning: Methods and Tools
The availability of an organisation’s IT infrastructure is of vital importance for supporting business activities. IT outages are a cause of competitive liability, chipping away at a company financial performance and reputation. To achieve the maximum possible IT availability within the available budget, organisations need to carry out a set of analysis activities to prioritise efforts and take...
متن کاملThe EFL Pre-Service Teacher Training in Iran: Is it Adequate or not?
Teacher training programs should provide evidence that they are preparing teacher trainees for their teaching career. However, the literature contains few evaluation reports of the layout of the pre-service EFL teacher training program in Iranian EFL context, a gap which this study tries to fill. The participants of the study were high school EFL teachers (n = 346), teacher trainees (n = 97) an...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Transactions on Network and Service Management
سال: 2012
ISSN: 1932-4537
DOI: 10.1109/tnsm.2011.110811.110122