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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Safe Configurable Multitenant SaaS / Säker konfigurerbar multitenant SaaS

Leijonhufvud, Adam, Håkansson, Filip January 2020 (has links)
Cloud computing is a significant step forward in computer science. It enables customers to use applications on devices such as telephones, tablets, and computers over the internet. However, in the case of some applications, moving to the cloud can be challenging. Enterprise Resource Planning (ERP) is one example of such an application. ERPs need to be configurable since each company is different and has unique use cases. These configurations could be done by manipulating the logic and execution of programs by extending or modifying existing classes, basically writing customized plugins. The customer or the vendor could easily configure traditional offline single-tenant ERPs. Today, however, having this level of customization in a cloud-based multi-tenant ERP system is not an easy task. Since every customer shares the same application, though isolated from each other, changes made for one customer are made for every customer. Therefore, in this paper, we aim to find one or several answers to the question: how can you enable deep customization in multi-tenant SaaS systems in a secure way? A structured literature study is performed to analyze and investigate different solutions. The results gathered from the literature study showed that three solutions could be adapted: microservices, extensible programming, and static analysis tools. However, based on some requirements, extensible programming was found most suitable for the investigated ERP. / configurable, multitenant, SaaS, code,
2

Customização de interfaces Web para clientes de software como serviço multitenant. / Web interfaces customization for clients of multitenant software as a service

Manduca, Alexandre Michetti 09 April 2014 (has links)
A adoção de Software como Serviço (do inglês, Software as a Service ou simplesmente SaaS) está em expansão em todo o mundo, alavancada pelas muitas vantagens que esse modelo de distribuição de software oferece tanto para os provedores desses serviços quanto para seus clientes. Em SaaS, o provedor do serviço também é responsável pelo seu desenvolvimento e execução, o que permite a esses provedores fazerem escolhas sobre a arquitetura de seus sistemas visando diminuir a complexidade e os custos relacionados ao seu desenvolvimento e operação. Nesse contexto, um padrão de arquitetura freqüentemente utilizado é o Multitenant, que torna uma mesma instância do software capaz de servir a múltiplos clientes (tenants) simultaneamente. No entanto, sistemas que utilizam Multitenancy enfrentam uma série de desafios, principalmente no que se refere à flexibilidade em atender os requisitos específicos de cada cliente na customização de processos, de fluxos e regras de negócio, e de interfaces com o usuário. Especificamente no problema de customização de interfaces, embora existam trabalhos na literatura relacionados à customização de interfaces Web, e existam implementações de mercado de mecanismos para possibilitar essas customizações, esses trabalhos e mecanismos ou não são projetados especificamente para sistemas Multitenant ou, quando são, não têm sua arquitetura publicada e seu código fonte disponíveis para serem reutilizados. Assim, esta pesquisa investigou uma alternativa para a customização de interfaces Web no contexto de Software como Serviço Multitenant. Como resultado, foi inicialmente definido e implementado um mecanismo não intrusivo para o desenvolvimento de aplicações Multitenant chamado DORMT (Domain-Based Shared-Database Multitenancy), sobre o qual foi possível construir um mecanismo para a customização de interfaces Web, chamado MHT (Multitenant Hierarchical Themes), baseado no padrão MVC (Model-View-Controller ) e nos conceito de temas e de hierarquias / The adoption of Software as a Service (SaaS) is growing worldwide, driven by the many advantages that this software distribution model offers to both service providers and their clients. In SaaS, the service provider is also responsible for the development and the execution of the software, enabling that choices be made in terms of system architecture in order to reduce the complexity and costs related to its development and operation. However, Multitenant systems face a number of challenges, mainly related to flexibility in meeting specific customer requirements in customizing the system processes, flows, business rules and user interfaces. Specifically on the problem of user interface customization, although there are studies in the literature and products on the market that implement mechanism to allow such customizations, these studies and mechanism are not specific to Multitenant systems or the mechanism architecture and source code is not available to be reused. Thus, this study investigated alternatives for Web interfaces customization in the context of Multitenant Software as a Service. As a result, a non intrusive mechanism, called DORMT (Domain-Based Shared-Database Multitenancy), was defined and implemented to allow the development of Multitenant applications, on top of which a mechanism for Web interfaces customization, called MHT (Multitenant Hierarchical themes), based on the MVC pattern, on the concepts of themes and of hierarchies, was built
3

Customização de interfaces Web para clientes de software como serviço multitenant. / Web interfaces customization for clients of multitenant software as a service

Alexandre Michetti Manduca 09 April 2014 (has links)
A adoção de Software como Serviço (do inglês, Software as a Service ou simplesmente SaaS) está em expansão em todo o mundo, alavancada pelas muitas vantagens que esse modelo de distribuição de software oferece tanto para os provedores desses serviços quanto para seus clientes. Em SaaS, o provedor do serviço também é responsável pelo seu desenvolvimento e execução, o que permite a esses provedores fazerem escolhas sobre a arquitetura de seus sistemas visando diminuir a complexidade e os custos relacionados ao seu desenvolvimento e operação. Nesse contexto, um padrão de arquitetura freqüentemente utilizado é o Multitenant, que torna uma mesma instância do software capaz de servir a múltiplos clientes (tenants) simultaneamente. No entanto, sistemas que utilizam Multitenancy enfrentam uma série de desafios, principalmente no que se refere à flexibilidade em atender os requisitos específicos de cada cliente na customização de processos, de fluxos e regras de negócio, e de interfaces com o usuário. Especificamente no problema de customização de interfaces, embora existam trabalhos na literatura relacionados à customização de interfaces Web, e existam implementações de mercado de mecanismos para possibilitar essas customizações, esses trabalhos e mecanismos ou não são projetados especificamente para sistemas Multitenant ou, quando são, não têm sua arquitetura publicada e seu código fonte disponíveis para serem reutilizados. Assim, esta pesquisa investigou uma alternativa para a customização de interfaces Web no contexto de Software como Serviço Multitenant. Como resultado, foi inicialmente definido e implementado um mecanismo não intrusivo para o desenvolvimento de aplicações Multitenant chamado DORMT (Domain-Based Shared-Database Multitenancy), sobre o qual foi possível construir um mecanismo para a customização de interfaces Web, chamado MHT (Multitenant Hierarchical Themes), baseado no padrão MVC (Model-View-Controller ) e nos conceito de temas e de hierarquias / The adoption of Software as a Service (SaaS) is growing worldwide, driven by the many advantages that this software distribution model offers to both service providers and their clients. In SaaS, the service provider is also responsible for the development and the execution of the software, enabling that choices be made in terms of system architecture in order to reduce the complexity and costs related to its development and operation. However, Multitenant systems face a number of challenges, mainly related to flexibility in meeting specific customer requirements in customizing the system processes, flows, business rules and user interfaces. Specifically on the problem of user interface customization, although there are studies in the literature and products on the market that implement mechanism to allow such customizations, these studies and mechanism are not specific to Multitenant systems or the mechanism architecture and source code is not available to be reused. Thus, this study investigated alternatives for Web interfaces customization in the context of Multitenant Software as a Service. As a result, a non intrusive mechanism, called DORMT (Domain-Based Shared-Database Multitenancy), was defined and implemented to allow the development of Multitenant applications, on top of which a mechanism for Web interfaces customization, called MHT (Multitenant Hierarchical themes), based on the MVC pattern, on the concepts of themes and of hierarchies, was built
4

Prototyp informačního systému pro exekutorské úřady / A Prototype of Information System for Executor Offices

Bezděk, Dušan January 2016 (has links)
This master's thesis deals with analysis , design and implementation of information system for bailiff office . The system provides functionality for managing bailiff's files , their subjects , appropriate documents , financial requirements and cooperation with third parties . Moreover , the system enables communication with data boxes for receiving and sending messages and performing vetting in registers of economic subjects . The application implements also multitenant architecture , which means the system can serve multiple offices . The information system is realised as a web application in ASP. NET MVC technology and written in C\# language . The client side of the application is composed of AngularJS and Bootstrap frameworks .

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