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Academic literature on the topic 'Service-level agreements Evaluation'

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Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Service-level agreements Evaluation"

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Berbée, Rieneke G., Paul Gemmel, Brenda Droesbeke, Hugo Casteleyn, and Darline Vandaele. "Evaluation of hospital service level agreements." International Journal of Health Care Quality Assurance 22, no. 5 (July 17, 2009): 483–97. http://dx.doi.org/10.1108/09526860910975599.

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Netes, V. A. "SERVICE LEVEL AGREEMENTS AND DEPENDABILITY." Dependability 17, no. 4 (November 22, 2017): 27–30. http://dx.doi.org/10.21683/1729-2646-2017-17-4-27-30.

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The Service Level Agreement (SLA) is an efficient and proven tool for regulation of the relations between the supplier and the user of services that is designed to ensure their quality. Such agreements are well known and successfully used in the information and communication industry. They are also applicable in other areas. Essentially, SLA stipulates certain requirements for the service level of which the fulfilment is guaranteed by the provider. In case of SLA violation the service provider is usually financially liable. As a rule, in such cases the user is remunerated with a discount for services provided in the following accounting period. Dependability requirements are an important part of the SLA. The purpose of this paper is to familiarize a wide range of experts from various industries with the general matters of SLA application and the aspects related to the dependability requirements specification. The paper refers to the relevant documents of international standardization organizations (ITU, ISO/IEC, ETSI, TMForum) and the Russian standards. Recommendations are given for selecting the dependability indicators and standard values to be included in the SLA, as well as for defining the amounts of compensation payed by service providers to the customers in case of non-compliance with requirements for the availability factor. The availability factor is normally used in the SLA as the primary dependability indicator that defines the allowable total time of non-operability over the specified base period. Additionally, a client might be interested in restricting the duration of each individual downtime as well. For that purpose, the guaranteed recovery time can also be specified and exceeding this time would be deemed an SLA violation. The choice of the standard values for inclusion in the SLA is a search for a compromise between the intent to satisfy the user requirements and the wish to get ahead of the competition on the one hand and the requirement to ensure the feasibility of the assumed obligations and minimize the risk of SLA violation that involve financial and reputational losses on the other hand. Therefore, before proposing an SLA to a customer, a service provider must thoroughly analyze its actual ability to make sure that the probability of SLA requirements violation is sufficiently low. The computational or computational and experimental methods are suggested for its evaluation. The amount of compensation for a violation depends on its gravity, i.e. the achieved and the standard values of an indicator. In practice, this relation is usually expressed with a step (piecewise constant) function. A formula is proposed that expresses the theoretical relation between the relative amount of compensation for violation of the availability factor requirements and the severity of violation and the standard value of this indicator. It can be used in defining the technically substantiated reference for SLA conditions development and assessment, of which the value will be relevant to both the service providers and users.
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Diamantopoulou, Vasiliki, and Haralambos Mouratidis. "Practical evaluation of a reference architecture for the management of privacy level agreements." Information & Computer Security 27, no. 5 (November 11, 2019): 711–30. http://dx.doi.org/10.1108/ics-04-2019-0052.

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Purpose The enforcement of the General Data Protection Regulation imposes specific privacy- and -security related requirements that any organisation that processes European Union citizens’ personal data must comply with. The application of privacy- and security-by-design principles are assisting organisation in achieving compliance with the Regulation. The purpose of this study is to assist data controllers in their effort to achieve compliance with the new Regulation, by proposing the adoption of the privacy level agreement (PLA). A PLA is considered as a formal way for the data controllers and the data subjects to mutually agree the privacy settings of a service provisioned. A PLA supports privacy management, by analysing privacy threats, vulnerabilities and information systems’ trust relationships. Design/methodology/approach However, the concept of PLA has only been proposed on a theoretical level. To this aim, two different domains have been selected acting as real-life case studies, the public administration and the health care, where special categories of personal data are processed. Findings The results of the evaluation of the adoption of the PLA by the data controllers are positive. Furthermore, they indicate that the adoption of such an agreement facilitates data controllers in demonstrating transparency of their processes. Regarding data subjects, the evaluation process revealed that the use of the PLA increases trust levels on data controllers. Originality/value This paper proposes a novel reference architecture to enable PLA management in practice and reports on the application and evaluation of PLA management.
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Dienbauer, Christian, Benedikt Pittl, and Erich Schikuta. "A Penalty-Aware Cloud Monitoring System based on Blockchains." Journal of Data Intelligence 2, no. 3 (September 2021): 301–25. http://dx.doi.org/10.26421/jdi2.3-1.

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Today, traded cloud services are described by service level agreements that specify the obligations of providers such as availability or reliability. Violations of service level agreements lead to penalty payments. The recent development of prominent cloud platforms such as the re-design of Amazon's spot marketspace underpins a trend towards dynamic cloud markets where consumers migrate their services continuously to different marketspaces and providers to reach a cost-optimum. This leads to a heterogeneous IT infrastructure and consequently aggravates the monitoring of the delivered service quality. Hence, there is a need for a transparent penalty management system, which ensures that consumers automatically get penalty payments from providers in case of service violations. \newline In the paper at hand, we present a cloud monitoring system that is able to execute penalty payments autonomously. In this regard, we apply smart contracts hosted on blockchains, which continuously monitor cloud services and trigger penalty payments to consumers in case of service violations. For justification and evaluation we implement our approach by the IBM Hyperledger Fabric framework and create a use case with Amazon's cloud services as well as Azures cloud services to illustrate the universal design of the presented mechanism.
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Cahill, Brian. "Precise evaluation of Building Performance through the availability of dynamic building data and a Building Information Model (BIM)." Boolean: Snapshots of Doctoral Research at University College Cork, no. 2012 (January 1, 2012): 1–5. http://dx.doi.org/10.33178/boolean.2012.1.

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All Buildings need to provide and maintain consistent user comfort while at the same time be efficient in their use of energy with a focus on reducing operation costs and CO2 footprint. It is a natural business need to have our building stock operating efficiently. A building that operates efficiently is one where most characteristics of the building can be monitored and evaluated while responding with essential actuation. Facility Management companies enter into service level agreements with building owners where they must provide a quality of service to all occupants and building stakeholders. It is currently impossible to precisely document how a specific zone in a building is performing, or will perform, in relation to user comfort, energy usage and cost (maintenance, running costs) if no sub-metering or accurate systemic details are present for that zone. This PhD research proposes a solution to this problem by integrating a Dynamic Building ...
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Fatin, Hadi Zare, Shahram Jamali, and Gholamreza Zare Fatin. "Data Replication in Large Scale Content Delivery Networks: A Genetic Algorithm Approach." Journal of Circuits, Systems and Computers 27, no. 12 (June 22, 2018): 1850189. http://dx.doi.org/10.1142/s021812661850189x.

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Content delivery networks (CDN) bring the content close to the users employing the replicated servers. In this context, main issue is allocation of the content replicas to these geographically distributed replica servers. The allocation goal is to minimize the storage and the delivery costs and at the same time to satisfy service-level agreements. In this paper, a mixed integer programming (MIP) formulation for the problem of the allocation has been proposed and then by utilization of the genetic algorithm (GA) its optimum solutions were extracted. Numerical evaluation results show that the proposed algorithm outperforms others in terms of the storage cost, delivery cost and computation complexity.
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SINGH, AMRIK, PUNEET JAIN, and AJAY KUMAR. "OPTIMAL TASK SCHEDULING FOR CLOUD COMPUTING USING RAO ALGORITHM." INTERNATIONAL RESEARCH JOURNAL OF ENGINEERING & APPLIED SCIENCES 10, no. 3 (July 10, 2022): 24–33. http://dx.doi.org/10.55083/irjeas.2022.v10i03003.

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Internet-based provision of computer resources is known as cloud computing. It is possible to utilise data that is controlled by a third party or some other individual at a distant place through cloud computing. Service Level Agreements (SLAs) are used by the majority of Cloud providers to define the services they provide. As part of the SLA, the service provider promises a certain level of quality of the service. Computing and data clouds are two sorts of clouds in a cloud-based system. In cloud technology, task scheduling is critical to ensuring service quality and SLA. One of the most important aspects of cloud computing is a well-organized work schedule. In this article, we have designed an optimal task scheduling method using RAO approach. The RAO algorithm is simple, required number of parameters, and required no tuning of parameters as compared to the other algorithm. Further, a multi-objective function is designed based on RAO algorithm performs the optimal scheduling. The performance evaluation is done by considering number of tasks such as 50,100,200, 300,400, and 500. Further, number of performance metrics are determined for it. The outcomes represents that the presented technique provides lesser values of AWT, ATT, and make span over the existing method.
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Odun-Ayo, Isaac, Toro-Abasi Williams, Olusola Abayomi-Alli, and Jamaiah Yahaya. "Systematic mapping study of economic and business models of cloud services." Indonesian Journal of Electrical Engineering and Computer Science 18, no. 2 (May 1, 2020): 987. http://dx.doi.org/10.11591/ijeecs.v18.i2.pp987-994.

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<p><span>Cloud computing is a business paradigm wherein computers and computing related services are provided by Cloud Service Providers to consumers either as software, development platform, or infrastructure. From an economic and business perspective, Cloud services involve cost, ownership quality of service and service level agreements. There are studies on economic and business models of cloud services on the cloud landscape especially in the area of pricing. Despite this, there is still a dearth of papers in this area of study. The objective of this study is to conduct a systematic mapping study to collect all relevant research on economic and business models of Cloud services. A systematic map provides a structured overview in a particular research area. The representation of the mapping process offers unique course-grained overview of the results. The results are presented in terms of research such as evaluation and solution, and contribution such as tools and method utilized. The results showed that there are more publications on pricing models in relation to tools with 6.87% and model with 14.5%, more publications on economic and business implications in terms of method with 11.45%, more publications on Cloud market in term of processes with 6.87%, more papers on security in the area of evaluation with 8.55% and validation research with 6.58%, and more papers on Cloud markets with respect to experience with 4.61% and validation with 5.92%. The research gaps identified in this study should motivate researchers to carry out more mapping studies in the field.</span></p>
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Khan, Fawad Ali, Rafidah Md Noor, Miss Laiha Mat Kiah, Ismail Ahmedy, Mohd Yamani, Tey Kok Soon, and Muneer Ahmad. "Performance Evaluation and Validation of QCM (Query Control Mechanism) for QoS-Enabled Layered-Based Clustering for Reactive Flooding in the Internet of Things." Sensors 20, no. 1 (January 3, 2020): 283. http://dx.doi.org/10.3390/s20010283.

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Internet of Things (IoT) facilitates a wide range of applications through sensor-based connected devices that require bandwidth and other network resources. Enhancement of efficient utilization of a heterogeneous IoT network is an open optimization problem that is mostly suffered by network flooding. Redundant, unwanted, and flooded queries are major causes of inefficient utilization of resources. Several query control mechanisms in the literature claimed to cater to the issues related to bandwidth, cost, and Quality of Service (QoS). This research article presented a statistical performance evaluation of different query control mechanisms that addressed minimization of energy consumption, energy cost and network flooding. Specifically, it evaluated the performance measure of Query Control Mechanism (QCM) for QoS-enabled layered-based clustering for reactive flooding in the Internet of Things. By statistical means, this study inferred the significant achievement of the QCM algorithm that outperformed the prevailing algorithms, i.e., Divide-and-Conquer (DnC), Service Level Agreements (SLA), and Hybrid Energy-aware Clustering Protocol for IoT (Hy-IoT) for identification and elimination of redundant flooding queries. The inferential analysis for performance evaluation of algorithms was measured in terms of three scenarios, i.e., energy consumption, delays and throughput with different intervals of traffic, malicious mote and malicious mote with realistic condition. It is evident from the results that the QCM algorithm outperforms the existing algorithms and the statistical probability value “P” < 0.05 indicates the performance of QCM is significant at the 95% confidence interval. Hence, it could be inferred from findings that the performance of the QCM algorithm was substantial as compared to that of other algorithms.
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Shelton, Katherine H., Coralie Merchant, and Jane Lynch. "The Adopting Together Service: how innovative collaboration is meeting the needs of children in Wales waiting the longest to find a family." Adoption & Fostering 44, no. 2 (July 2020): 128–41. http://dx.doi.org/10.1177/0308575920920390.

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Significant concerns remain in many countries about the high numbers of children needing an adoptive placement relative to the low numbers of prospective adopters, the high level of long-term therapeutic support needs for many adopted children and their families, and whether there are appropriate services to meet them. There has been an increase in ‘priority’ children waiting over 12 months to find a family. These are often children aged four years and over, in care with siblings, with additional needs or developmental uncertainties and from minority ethnic backgrounds. The financial and emotional costs of long-term fostering when plans are changed are huge. This article describes a major development in child care practice in Wales that has occurred over the past two years. The Adopting Together Service (ATS) involves a unique, innovative and multi-layered collaboration between the voluntary adoption agencies (VAAs – non-governmental charities) and regional adoption teams (statutory agencies) to secure permanence for children who wait the longest to find families. It explains how the ATS has been developed and embedded, including an account of the referral process, the approach to recruitment, linking and matching, and therapeutic activity before, during and after placement. It also describes the process of securing sustainable social procurement under the guidance of the British Standard for Collaborative Working (ISO 44001; British Standard Institute, 2017), the creation of a Joint Relationship Management Plan between VAAs, and the implementation of service level agreements between the voluntary and statutory sectors. These developments are considered in the context of the Welsh Government’s implementation of the Well-being of Future Generations (Wales) Act 2015, which lays out collaborative expectations to the statutory sector as one of its sustainable development principles. The article concludes with an initial evaluation of progress, noting challenges to the service and the views of the social workers, foster carers and adoptive parents involved.
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Dissertations / Theses on the topic "Service-level agreements Evaluation"

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Dwekat, Zyad. "Construction and Evaluation of a Service Level Agreement Test-Bed." NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20011203-155700.

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Differentiated Services (DiffServ) enable quality-of-service provisioning by coupling traffic aggregates with a specific forwarding path treatment. Per-Hop forwarding Behavior (or PHB) describes the forwarding path behavior required in network nodes, while the Per-Domain Behavior (or PDB) describes the behavior experienced by a particular set of packets as they cross a DiffServ domain. PHB and PDB implementations with traffic conditioners, provisioning strategies and billing models are building blocks used in Services Level Agreements (SLA).The goal of the project was to construct an SLA test-bed using soft DiffServ routing nodes. This test-bed, and the associated tools, is intended for in-depth studies of SLA translation and mapping algorithms. The specific objectives of the work reported in this thesis were to construct the test-bed, and then verify, validate and evaluate different elements of the SLA test-bed. Specifically, proof-of-concept experiments were conducted to show that one can implement a general Services Level Agreement (SLA) based on DiffServ, to show how to translate SLA requirements into real test-bed parameters, and then run experiments, collect data and make performance measurements.. The study is empirical and involves implementation of some of the quality of service (QoS) related IETF drafts and RFCs in a five-node soft DiffServ-based SLA testbed. This includes implementation and empirical evaluation of Expedite Forwarding (EF) PHB, Assured Forwarding (AF) PHB, Virtual Wire (VW) PDB, and of Assured Forwarding PDB.Virtual Wire PDB was implemented using both the Priority Scheduler and a Weighted Fair Queuing Scheduler. The effect of Best Effort packet size and rate on the protected EF traffic was investigated empirically. This provided proof of concept data on how successful can a VW implementation be in protecting Voice over IP (VoIP) streams. We used both emulated VoIP streams, and real VoIP phones in highly congested traffic environments.Assured Rate PDB was implemented using appropriate traffic conditioning, buffer management and scheduling techniques. The issue of what to do with non-conforming AF traffic was investigated empirically - whether to drop the non-conforming packets or to downgrade them to Best Effort. It was noticed that strict dropping of the non-conforming packets will sometimes underutilize the channel, while downgrading them to Best Effort will create a reordering problem.

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Stanik, Alexander [Verfasser], Odej [Akademischer Betreuer] Kao, Odej [Gutachter] Kao, Gero [Gutachter] Mühl, and Matthias [Gutachter] Hovestadt. "Service level agreement mediation, negotiation and evaluation for cloud services in intercloud environments / Alexander Stanik ; Gutachter: Odej Kao, Gero Mühl, Matthias Hovestadt ; Betreuer: Odej Kao." Berlin : Technische Universität Berlin, 2016. http://d-nb.info/1152969528/34.

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Doubrava, Jan. "Vyhodnocování SLA nad HP Quality Center." Master's thesis, Vysoká škola ekonomická v Praze, 2012. http://www.nusl.cz/ntk/nusl-165251.

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The objective of this thesis is to propose and describe the database, which enables to measure compliance of Service Level Agreement suppliers of software applications that work with HP Quality Center. The work describes specific solution used in project to implement a new core business system, describes requirements for functionality and use of result the solution. Briefly described is also HP Quality Center, the testing tool, from which are taken the input data and what possibility offers for monitoring the SLA. The proposed database allows calculation of the time which is actually spent by suppliers on solving the errors and comparison of calculated time with the defined SLA. It will also describe how to import data into the database and the basic reports, which are usable after implementation of the proposed solution.
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Fitzgerald, Martin. "The potential role of the occupational therapist in acute psychiatric services: A comparative evaluation." 2016. http://hdl.handle.net/10454/11329.

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Aims and background: This analysis paper describes a comparative evaluation of service deliverables within the Service Level Agreements (SLA) of two acute psychiatric services; one inclusive and the other exclusive of occupational therapy. Methods: Six SLA agreements provided the standards by which the two services were evaluated. The SLAs were evaluated because they are used by the service managers and commissioners to measure performance and clinical effectiveness. The role of the occupational therapists and their contribution to the planning and delivery of the performance indicators is also considered. An evaluation framework was applied to explore the potential role occupational therapy may have had in any performance difference between the two sites. In doing so it is hoped to provide some evidence to support and inform occupational therapists and service managers on the role and of occupational therapy in acute mental health services. This comparative evaluation followed the first three of the five audit stages: 1. Preparing for audit; 2. Selecting criteria; and 3. Measuring performance level. Findings: The service with occupational therapy performed better on home leave day use, ward occupancy and less than 3-day admissions. Conclusions: By delivering their key roles of individual assessment, therapeutic groups, individual treatment and discharge planning occupational therapist were able to contribute to the overall efficiency of service delivery. These findings support the role of the occupational therapist in an acute psychiatric setting and provide guidance for managers on how to utilise occupational therapy in the delivery of service outcomes.
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Books on the topic "Service-level agreements Evaluation"

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Filiatrault, Pierre. Si notre service à la clientèle fait picpic, appuyez sur le 1. Montréal: Éditions Transcontinental, 2009.

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Book chapters on the topic "Service-level agreements Evaluation"

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Pontz, Tobias, Manfred Grauer, Roland Kuebert, Axel Tenschert, and Bastian Koller. "Evaluation of Service Level Agreement Approaches for Portfolio Management in the Financial Industry." In Grids and Service-Oriented Architectures for Service Level Agreements, 57–66. Boston, MA: Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-7320-7_6.

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Pietsch, Wolfram. "Customer-Oriented Specification and Evaluation of IT Service Level Agreements." In Lecture Notes in Computer Science, 83–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11586012_9.

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Clark, Allan, and Stephen Gilmore. "Evaluating Quality of Service for Service Level Agreements." In Formal Methods: Applications and Technology, 181–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-70952-7_12.

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Clark, Allan, and Stephen Gilmore. "Evaluating Service Level Agreements Using Observational Probes." In Lecture Notes in Computer Science, 467–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20401-2_22.

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de Lima, Sinésio Teles, Fernanda Lima, and Káthia Marçal de Oliveira. "Evaluating the Accessibility of Websites to Define Indicators in Service Level Agreements." In Enterprise Information Systems, 858–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01347-8_71.

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Zhao, Wei, Jun-Jang Jeng, Lianjun An, Fei Cao, Barret R. Bryant, and Rainer Hauser. "Aligning Business Processes with Enterprise Service Computing Infrastructure." In IT Outsourcing, 2164–87. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-60566-770-6.ch137.

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Multisourced and federated business operations and IT services are the backbone of today’s enterprise. However, in most companies, there exists a natural gap and disconnection between the decision and evaluation at the business level and the execution and metrics at the IT level. This disconnection can lead to end-user dissatisfaction, diminished profit, and missed business objectives. In this chapter, we study the problem of this disconnection and provide the following frameworks and techniques toward bridging the gap: (a) We provide a model-transformation framework that effectively transforms business-level decisions documented as businessprocess models into IT-level executable representations based on service-oriented infrastructure, (b) a framework is described that is able to monitor and synthesize IT-level performance and metrics to meet service-level agreements between business management and end users, and (c) techniques and experiments are discussed that enable dynamic adaptation of IT infrastructure according to business decision changes.
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Sodenkamp, Mariya A., and Leena Suhl. "A Multi-Criteria Vendor Selection and Order Allocation GDSS using a Mixed Alternative and Value Focused Thinking Approach." In Advances in Business Information Systems and Analytics, 108–38. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-5958-2.ch007.

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Vendor selection and order quantity assignment plays a central role in the purchasing activity of manufacturing and trading companies. Evaluation of product and service suppliers for procurement planning requires, on the one hand, accurate identification and exploration of all decision relevant parameters. On the other hand, effective agreements must tackle all parties’ rights, obligations, interests, motives, and values, which are usually conflicting in nature. In this chapter, the authors address the problem of expert group structuring and formalization of participant competences by distinguishing among the a-, ß-, and ?-level experts responsible for the value system establishment, alternatives assessment and auxiliary objects evaluation, respectively. Experts can belong to more than one task community. The triples of a-, ß-, and ?-voting power indices are assigned to the individuals depending on their competence/authority. Moreover, the presented Multi-Criteria Decision Analysis (MCDA)-based framework facilitates selecting appropriate suppliers by the distributed expert groups and improves the quality of order allocation decisions. The usefulness of the proposed approach is demonstrated for the fuel oils and crops purchasing activities in the trading department of Raiffeisen Westfalen Mitte eG in Germany.
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Emeakaroha, Vincent C., Marco A. S. Netto, Rodrigo N. Calheiros, and César A. F. De Rose. "Achieving Flexible SLA and Resource Management in Clouds." In Achieving Federated and Self-Manageable Cloud Infrastructures, 266–87. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-1631-8.ch014.

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One of the key factors driving Cloud computing is flexible and on-demand resource provisioning in a pay-as-you-go manner. This resource provisioning is based on Service Level Agreements (SLAs) negotiated and signed between customers and providers. Efficient management of SLAs and Cloud resources to reduce cost, achieve high utilization, and generate profit is challenging due to the large-scale nature of Cloud environments and complex resource provisioning processes. In order to advance the adoption of this technology, it is necessary to identify and address the issues preventing proper resource and SLA management. The authors purport that monitoring is the first step towards successful management strategies. Thus, this chapter identifies the SLA management and monitoring challenges in Clouds and federated Cloud environments, and proposes a novel resource monitoring architecture as a basis for resource management in Clouds. It presents the design and implementation of this architecture and presents the evaluation of the architecture using heterogeneous application workloads.
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Balsters, Herman. "Merging and Outsourcing Information Systems with UML." In Global Information Technologies, 1021–43. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-939-7.ch078.

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Businesses can change their business structure by merging with other companies or, on the other end of the spectrum, by smoothly outsourcing some of their business processes to other more specialized parties. In this paper we will concentrate on conceptual modelling of merging and outsourcing information systems. Merging of a collection of information systems will be defined as the construction of a global information system that contains exactly the functionality of the original collection of systems. Such global information systems are called federated information systems, when we wish to address the situation where the component systems are so-called legacy systems; i.e. systems that are given beforehand and which are to interoperate in an integrated single framework in which the legacy systems are to maintain as much as possible their respective autonomy. Two major problems in constructing federated information systems concern achieving and maintaining consistency and a uniform representation of the data on the global level of the federation. The process of creation of uniform representations of data is known as data extraction, whereas data reconciliation is concerned with resolving data inconsistencies. Outsourcing of an information system, on the other hand, will be defined as the handing over of part of the functionality of the original system to an outside party (the supplier). Such functionality typically involves one or more operations, where each operation satisfies certain input- and output requirements. These requirements will be defined in terms of the ruling service level agreements (SLAs). We will provide a formal means to ensure that the outsourcing relationship between outsourcing party and supplier, determined by a SLA, satisfies specific correctness criteria. Formal specifications as offered in this paper can prove their value in the setup and evaluation of outsourcing contracts. We shall describe a uniform semantic framework for specification of both federated and outsourced information systems based on the UML/OCL data model. In particular, we will show that we can represent so-called exact views in UML/OCL, providing the means to capture the duality relation between federating and outsourcing.
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Balsters, Herman. "Merging and Outsourcing Information Systems with UML." In IT Outsourcing, 2188–210. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-60566-770-6.ch138.

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Businesses can change their business structure by merging with other companies or, on the other end of the spectrum, by smoothly outsourcing some of their business processes to other more specialized parties. In this paper we will concentrate on conceptual modelling of merging and outsourcing information systems. Merging of a collection of information systems will be defined as the construction of a global information system that contains exactly the functionality of the original collection of systems. Such global information systems are called federated information systems, when we wish to address the situation where the component systems are so-called legacy systems; i.e. systems that are given beforehand and which are to interoperate in an integrated single framework in which the legacy systems are to maintain as much as possible their respective autonomy. Two major problems in constructing federated information systems concern achieving and maintaining consistency and a uniform representation of the data on the global level of the federation. The process of creation of uniform representations of data is known as data extraction, whereas data reconciliation is concerned with resolving data inconsistencies. Outsourcing of an information system, on the other hand, will be defined as the handing over of part of the functionality of the original system to an outside party (the supplier). Such functionality typically involves one or more operations, where each operation satisfies certain input- and output requirements. These requirements will be defined in terms of the ruling service level agreements (SLAs). We will provide a formal means to ensure that the outsourcing relationship between outsourcing party and supplier, determined by a SLA, satisfies specific correctness criteria. Formal specifications as offered in this paper can prove their value in the setup and evaluation of outsourcing contracts. We shall describe a uniform semantic framework for specification of both federated and outsourced information systems based on the UML/OCL data model. In particular, we will show that we can represent so-called exact views in UML/OCL, providing the means to capture the duality relation between federating and outsourcing.
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Conference papers on the topic "Service-level agreements Evaluation"

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Yadranjiaghdam, Babak, Komal Hotwani, and Nasseh Tabrizi. "A Risk Evaluation Framework for Service Level Agreements." In 2016 IEEE International Conference on Computer and Information Technology (CIT). IEEE, 2016. http://dx.doi.org/10.1109/cit.2016.93.

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Lim, Norman, Shikharesh Majumdar, and Peter Ashwood-Smith. "Resource management techniques for handling requests with service level agreements." In 2014 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS). IEEE, 2014. http://dx.doi.org/10.1109/spects.2014.6880002.

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Bause, Falko, Peter Buchholz, and Johannes May. "A Tool Supporting the Analytical Evaluation of Service Level Agreements." In ICPE '17: ACM/SPEC International Conference on Performance Engineering. New York, NY, USA: ACM, 2017. http://dx.doi.org/10.1145/3030207.3030215.

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Seakhoa-King, Shireen, Paul Balaji, Nicolas Trama Alvarez, and William J. Knottenbelt. "Revenue-Driven Scheduling in Drone Delivery Networks with Time-sensitive Service Level Agreements." In VALUETOOLS 2019: 12th EAI International Conference on Performance Evaluation Methodologies and Tools. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3306309.3306339.

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"EVALUATING THE SERVICE LEVEL AGREEMENTS OF NDT UNDER WS-AGREEMENT - An Empirical Analysis." In 8th International Conference on Web Information Systems and Technologies. SciTePress - Science and and Technology Publications, 2012. http://dx.doi.org/10.5220/0003906602460250.

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Lyu, Huahui, Yuning Xiao, Ruihong Yan, Yong Jin, Ruimin Shen, and Bin Sheng. "High Availability Evaluation Utilizing Service Level Agreement." In 2017 IEEE International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData). IEEE, 2017. http://dx.doi.org/10.1109/ithings-greencom-cpscom-smartdata.2017.129.

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"A Cloud Application for Security Service Level Agreement Evaluation." In 4th International Conference on Cloud Computing and Services Science. SCITEPRESS - Science and and Technology Publications, 2014. http://dx.doi.org/10.5220/0004858702990307.

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Monir, Merrihan B., Tamer Abdelkader, and El-Sayed M. Ei-Horbaty. "Trust Evaluation of Service level Agreement for Service Providers in Mobile Edge Computing." In 2019 Ninth International Conference on Intelligent Computing and Information Systems (ICICIS). IEEE, 2019. http://dx.doi.org/10.1109/icicis46948.2019.9014854.

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Athanasiadis, Anastasios, and Katerina Kasimatis. "AN INNOVATIVE APPROACH IN THE EVALUATION OF SERVICE QUALITY IN A PEDAGOGICAL TRAINING PROGRAM." In International Conference on Education and New Developments. inScience Press, 2022. http://dx.doi.org/10.36315/2022v1end063.

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"Quality is a term that is commonly considered to indicate a high level of customer satisfaction relative to factors that characterize a specific service. The most effective way to measure quality is to determine whether or not customers are satisfied. In the educational area, the constant search for improvements in the quality of educational services has led the scientific community to implement specialized measurement approaches in order to meet the quality expectations of trainees. The current research combines the evaluation model CIPP with the EppaikQual scale to measure the quality of the educational services of a Greek pedagogical training program. In this way, a management-oriented evaluation model is combined with a satisfaction measurement scale for the purpose of evaluating the program’s quality from the trainees’ perspectives. The research questions seek to determine the degree of trainee satisfaction based on the four levels of the evaluation and to define the level of the program’s quality. A total of 489 trainee prospective teachers for the 2019?2020 academic period participated in the survey. The method of sampling without probabilities was adopted. After the completion of the program, participants were electronically provided with the measurement scale. The reliability and validity of the research tool were tested using confirmatory factor analysis. Data were analyzed by calculating the mean scores and the percentage frequencies of their agreement?disagreement in each index of the four levels of the evaluation. The survey results show that trainees are in general satisfied with the provided educational services. Their degree of satisfaction is higher for the learning outcomes and lower for the program inputs. In conclusion, it can be inferred that the participants in the training program appear to be satisfied, but they propose specific areas in which structural interventions are required in order to upgrade the level of quality of the educational services. The information gathered can contribute to sound administrative decisions with a view to improving and sustaining the training program."
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Horikawa, Hiroyuki, Masaki Yoshikawa, and Nobuo Takasu. "Structural Integrity Assessment for Various Failure Modes Using a Risk-Based Maintenance Method." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-3079.

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In this paper, a newly developed system called RBM (Risk-Based Maintenance) is presented. The system is used to describe the structural integrity of buried pipeline based on the index of risk that is defined in the product of the failure frequency and the consequence. Various failure modes corresponding to each degradation mechanism are included, and the estimation of failure probability that the external load exceeds the structure resistance is carried out. As the result of trial evaluation compared with the past earthquake incident, it is in good agreement with actual damage of pipeline subjected to liquefaction and large ground deformation. Furthermore, the system enables operators to maintain the structural integrity for service life by providing the most optimized maintenance plan according to the risk level. The features of the quantitative risk evaluation approach and the benefits of the developed RBM system as a means of structural integrity assessment are also discussed.
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