The MAIS Approach to Web Service Design

2011 ◽  
pp. 187-204
Author(s):  
Marzia Adorni ◽  
Francesca Arcelli ◽  
Carlo Batini ◽  
Marco Comerio ◽  
Flavio De Paoli ◽  
...  
Keyword(s):  
Life Cycle ◽  
Service Life ◽  
Time Use ◽  
Service Management ◽  
Methodological Approach ◽  
Value Added ◽  
A Value ◽  
Value Added Service ◽  
Run Time ◽  
Service Life Cycle

This chapter presents a first attempt to realize a methodological framework supporting the most relevant phases of the design of a value-added service. A value-added service is defined as a functionality of an adaptive and multichannel information system obtained by composing services offered by different providers. The framework has been developed as part of the multichannel adaptive information systems (MAIS) project. The MAIS framework focuses on the following phases of service life cycle: requirements analysis, design, deployment, and run-time use and negotiation. In the first phase, the designer elicits, validates, and negotiates service requirements according to social and business goals. The design phase is in charge of modeling services with an enhanced version of UML, augmented with new features developed within the MAIS project. The deployment phase considers the network infrastructure and, in particular, provides an approach to implement and coordinate the execution of services from different providers. In the run-time use and negotiation phase, the MAIS methodology provides support to the optimal selection and quality renegotiation of services and to the dynamic evaluation of management costs. The chapter describes the MAIS methodological tools available for different phases of service life cycle and discusses the main guidelines driving the implementation of a service management architecture called reflective architecture that complies with the MAIS methodological approach.

Addressing Highly Dynamic Changes in Service-Oriented Systems

2013 ◽  
pp. 33-46 ◽  
Author(s):  
Andreas Metzger ◽  
Elisabetta Di Nitto
Keyword(s):  
Life Cycle ◽  
Service Life ◽  
Historical Development ◽  
Software Systems ◽  
Life Cycle Model ◽  
Service Oriented ◽  
Reference Service ◽  
Self Adaptation ◽  
Service Life Cycle ◽  
Oriented System

This chapter sets out to introduce relevant foundations concerning evolution and adaptation of service-oriented systems. It starts by sketching the historical development of software systems from monolithic and mostly static applications to highly-dynamic, service-oriented systems. Then, it provides an overview and more thorough explanation of the various kinds of changes that may need to be faced by service-oriented systems. To understand how such changes could be addressed, the chapter introduces a reference service life-cycle model which distinguishes between evolution, viz. the manual modification of the specification and implementation of the system during design-time, and (self-)adaptation, viz. the autonomous modification of a service-oriented system during operation. Based on the discussion of the key activities prescribed by that life-cycle, the chapter elaborates on the need for agility in both adaptation and evolution of service-oriented systems.

Secure Element

2017 ◽  
pp. 134-165
Keyword(s):  
Life Cycle ◽  
Service Life ◽  
Mobile Phones ◽  
Mobile Device ◽  
Service Provider ◽  
Sensitive Data ◽  
Mobile Operator ◽  
Execution Environment ◽  
Service Life Cycle ◽  
Secure Element

NFC enabled mobile phones are equipped with SE combined with NFC infrastructure like readers and POS terminals. The actors in the NFC infrastructure are the pre requisites but not sufficient for the use of NFC payments. There has to be a secure way to download, install, personalize, upgrade and delete an application in SE without the need to go to the service provider or mobile operator stores. TSM solution provide means of managing the NFC service life cycle OTA by using built upon and emphasizes the role an importance in NFC ecosystem. Mobile device needs to have a trusted Execution environment a place where sensitive data can be stored in secure fashion. It is a piece of hardware called as SE.

scholarly journals Methodical approach to forecasting costs for updating and using arms and military equipment park

2021 ◽  
pp. 37-45
Author(s):  
Oleksii Leontiev ◽  
Maryna Naumenko
Keyword(s):  
Life Cycle ◽  
Service Life ◽  
Failure Rate ◽  
Methodological Approach ◽  
Operating Conditions ◽  
Operating Costs ◽  
Residual Service Life ◽  
Purchase Price ◽  
Military Equipment ◽  
The Cost

A methodological approach to forecasting the cost costs at the main stages of the life cycle of a sample of weapons and military equipment, as one of the most important carriers of the capabilities of military organizational-staff formations, is proposed, which is carried out when substantiating measures for developing the capabilities of troops in the course of long-term and medium-term defense planning. The methodological approach is based on the use of the concept of a typical distribution of the cost of the life cycle of a sample by stages and stages, which allows in a formalized form to link costs at each stage of the purchase price of a serial product of a sample of weapons and military equipment of a specific type and type, taking into account the choice of a specific way of obtaining weapons and military equipment. It is proposed to forecast the volume of necessary costs at the stage of operation and support, taking into account the uneven distribution of these costs during this stage of the life cycle of a separate product. For this, it is proposed to divide the entire period of the duration of the operation stage into two main parts. The first part corresponds to the operating conditions of the product with a constant failure rate of the equipment after the completion of a short running-in process, and the operating costs per unit of time on it are considered the same throughout its duration. A formalized expression is proposed for obtaining the predicted value of these costs depending on the purchase price of the product. In the second part of the period of operation and support of a product of weapons and military equipment, operating costs per unit of time change over time according to an exponential law, reflecting the fact that operating costs increase with an increase in the failure rate as it approaches the assigned service life, which corresponds to the laws, known from the general theory of reliability of technology. The specifics of forecasting the costs of operation and support of a product obtained by import and which has already been in operation and has a residual service life have been determined.

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