Topic
Service level
About: Service level is a research topic. Over the lifetime, 7647 publications have been published within this topic receiving 126093 citations. The topic is also known as: service level.
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13 Sep 2010
TL;DR: Three flavors of autonomic cloud-bursting schedulers that offer probabilistic guarantees on service levels required by customers (such as speed-up and queue sequence preservation) by adapting to changing workload characteristics, variation in bandwidth and available resources are proposed.
Abstract: The practice of computing across two or more data centers separated by the Internet is growing in popularity due to an explosion in scalable computing demands and pay-as-you-go schemes offered on the cloud. While cloud-bursting is addressing this process of scaling up and down across data centers (i.e. between private and public clouds), offering service level guarantees, is a challenge for inter-cloud computation, particularly for best-effort traffic and large files. The parallel workload we address is real-time and involves inter-cloud processing and analysis of images and documents. In our production printing domain, dedicated processing/network resources are cost-prohibitive. Further, the problem is exacerbated by data intensive computing - we encounter huge file sizes atypical of intercloud parallel processing. To address these problems we propose three flavors of autonomic cloud-bursting schedulers that offer probabilistic guarantees on service levels required by customers (such as speed-up and queue sequence preservation) by adapting to changing workload characteristics, variation in bandwidth and available resources. In particular, these opportunistic schedulers use a quadratic response surface model for processing time in concert with a time-of-day dependent bandwidth predictor to increase the throughput and utilization while simultaneously reducing out-of-sequence completions for a document processing workload.
43 citations
TL;DR: In this paper, an interactive multicriteria framework for an inventory control decision support system is presented, where the preference structure of the decision maker is assessed progressively under the exploration of the solution space.
43 citations
TL;DR: In this article, the value of information sharing (VIS) in different inventory policies can help general contractors to improve materials and equipments management in construction supply chain, and the models for measuring the VIS under (s, S) and Periodic Review (PR) inventory policies are established.
43 citations
TL;DR: An extension of the model is presented for the situation where there is a penalty if some of the service requests are not covered (satisfied) and column generation heuristics are developed based on a formulation from the perspective of servers.
43 citations
Patent•
21 Dec 2004
TL;DR: In this article, a method and systems architecture for allocating and adjusting service delivery resources in real-time on the basis of predicting associated financial profits and/or benefits to an organization is presented.
Abstract: A method and systems architecture for allocating and adjusting service delivery resources in real-time on the basis of predicting associated financial profits and/or benefits to an organization. The method includes the steps of: a) determining service resource costs and characteristics, b) predicting service demand, c) setting service objectives are determined at step, d) determining a service capacity, e) setting associated service delivery rules, and f) allocating resources according to the business rules. Actual resource availability and service performance are monitored in real-time, and profitability of service performance is forecast based on real-time data and simulations. Results from profitability analysis are used to adjust predicted service demand, service objectives, service delivery rules and resource allocations in real-time.
43 citations