605 resultados para Decentralization
Resumo:
El objetivo de esta monografía es analizar el proceso de descentralización de Al Qaeda a causa del debilitamiento de su centro en Afganistán por la intervención militar de la coalición occidental. Se estudia como Al Qaeda deja de ser una organización jerárquica, comenzando a organizarse en red. Estas trasformaciones se pueden explicar a la luz de los principales postulados de la teoría de Guerra en Red, que incluyen la falta de un liderazgo central, y la distribución en enjambre para atacar. Siguiendo la línea argumentativa, finalmente se demuestra que mediante la expansión de la red, Al Qaeda aún bajo su situación de debilidad ha mantenido vigente la yihad trasnacional a través de las organizaciones filiales en África.
Resumo:
No final da década de 70 a reforma da Administração Pública surge como preocupação dos governos. No início dos anos 80 a adoção da doutrina da Nova Gestão Publica, foi um dos acontecimentos mais marcantes para a administração pública dos países da Organização para a Cooperação e Desenvolvimento Economico. A reforma na Administração Pública em Portugal iniciou-se após a rutura política e social de 1974. No início de 1986 Portugal entra para Comunidade Económica Europeia, o que representou uma maior abertura económica e um aumento na confiança interna da população, observando-se um avanço em termos de concretização de muitos direito sociais, entre outros, na educação. A modernização da administração pública na componente referente à área da educação, iniciou-se no final do ano de 1986, através da Lei de Base do Sistema Educativo, dando origem à descentralização dos serviços, introduzindo-se o conceito de autonomia. Os contratos de autonomia no meio escolar, são processos de administração que não influenciam os seus intervenientes, na realização das atividades pedagógicas, administrativas e gestionárias. Este estudo demonstra a opinião dos vários grupos que compõem um estabelecimento de ensino público Português. Na opinião da amostra deste estudo, os contratos de autonomia não são portadores de benefícios ou prejuízos para os estabelecimentos escolares, seja a nível pedagógico, a nível dos recursos humanos ou a nível administrativo e financeiro; Abstract: Contracts of autonomy in the management of grouping of schools in Portugal: An analysis based on the perception of the actors. At the end of the 70 the reform of public administration arises as a concern of governments. In the early 80s the adoption of the doctrine of the New Public Management, was one of the most important events for the public administration of the Organization for Cooperation and Economic Development countries. The reform in Public Administration in Portugal began after the political and social rupture of 1974. In the beginning of 1986 Portugal joins the European Economic Community, which represented a greater economic openness and an increase in internal confidence of the population, shown by a progress in terms of implementation of many social rights, among others, in education. The modernization of public administration in the field of education began at the end of 1986 through the Basic Law of Education, leading to the decentralization of services, introducing therefore the concept of autonomy. Autonomy contracts in schools are management processes that do not influence their stakeholders in achieving the educational, administrative and management activities. This study shows the opinion of the various groups that form an establishment of Portuguese public education. According to the sample, the autonomy contracts don’t bring benefits or losses to schools, as far as educational practices and human resources are concerned, as well as on a financial and administrative level.
Resumo:
A través de la Comisión de Regionalización Interuniversitaria (CRI); representada por la Universidad Nacional (UNA); el Instituto Tecnológico de Costa Rica; la Universidad de Costa Rica y la Universidad Estatal a Distancia (UNED) se realizaron encuentros entre 2008 y 2009; con la participación de instituciones y actores sociales de la región Atlántica de Costa Rica; para dialogar sobre la situación actual de la infraestructura; la gestión de los puertos; la importancia social y económico de los puertos en el desarrollo de la región para fortalecer procesos de descentralización y crear agendas compartidas a fin de aprovechar las oportunidades que se abren en la región. Este documento presenta aportes sobre el contexto de la discusión y sobre los temas más relevantes que proponen los diferentes actores.AbstractThrough the Inter-University Committee on Regionalization (CRI); represented by the National University (UNA); the Technological Institute of Costa Rica; the University of Costa Rica and the Universidad Estatal a Distancia (UNED) meetings were held between 2008 and 2009 with the participation of institutions and stakeholders in the Atlantic region of Costa Rica; to discuss the current state of infrastructure; port management; the social and economic importance of ports in the development of the region. It opened spaces for dialogue on the situation of the ports of Limon and the difficulties in strengthening decentralization and create shared agenda between different parts to take advantage of the opportunities available in the region. This paper presents contributions on the context of the discussion and the most relevant topics proposed by different actors.
Resumo:
The pervasive availability of connected devices in any industrial and societal sector is pushing for an evolution of the well-established cloud computing model. The emerging paradigm of the cloud continuum embraces this decentralization trend and envisions virtualized computing resources physically located between traditional datacenters and data sources. By totally or partially executing closer to the network edge, applications can have quicker reactions to events, thus enabling advanced forms of automation and intelligence. However, these applications also induce new data-intensive workloads with low-latency constraints that require the adoption of specialized resources, such as high-performance communication options (e.g., RDMA, DPDK, XDP, etc.). Unfortunately, cloud providers still struggle to integrate these options into their infrastructures. That risks undermining the principle of generality that underlies the cloud computing scale economy by forcing developers to tailor their code to low-level APIs, non-standard programming models, and static execution environments. This thesis proposes a novel system architecture to empower cloud platforms across the whole cloud continuum with Network Acceleration as a Service (NAaaS). To provide commodity yet efficient access to acceleration, this architecture defines a layer of agnostic high-performance I/O APIs, exposed to applications and clearly separated from the heterogeneous protocols, interfaces, and hardware devices that implement it. A novel system component embodies this decoupling by offering a set of agnostic OS features to applications: memory management for zero-copy transfers, asynchronous I/O processing, and efficient packet scheduling. This thesis also explores the design space of the possible implementations of this architecture by proposing two reference middleware systems and by adopting them to support interactive use cases in the cloud continuum: a serverless platform and an Industry 4.0 scenario. A detailed discussion and a thorough performance evaluation demonstrate that the proposed architecture is suitable to enable the easy-to-use, flexible integration of modern network acceleration into next-generation cloud platforms.
Resumo:
Recent technological advancements have played a key role in seamlessly integrating cloud, edge, and Internet of Things (IoT) technologies, giving rise to the Cloud-to-Thing Continuum paradigm. This cloud model connects many heterogeneous resources that generate a large amount of data and collaborate to deliver next-generation services. While it has the potential to reshape several application domains, the number of connected entities remarkably broadens the security attack surface. One of the main problems is the lack of security measures to adapt to the dynamic and evolving conditions of the Cloud-To-Thing Continuum. To address this challenge, this dissertation proposes novel adaptable security mechanisms. Adaptable security is the capability of security controls, systems, and protocols to dynamically adjust to changing conditions and scenarios. However, since the design and development of novel security mechanisms can be explored from different perspectives and levels, we place our attention on threat modeling and access control. The contributions of the thesis can be summarized as follows. First, we introduce a model-based methodology that secures the design of edge and cyber-physical systems. This solution identifies threats, security controls, and moving target defense techniques based on system features. Then, we focus on access control management. Since access control policies are subject to modifications, we evaluate how they can be efficiently shared among distributed areas, highlighting the effectiveness of distributed ledger technologies. Furthermore, we propose a risk-based authorization middleware, adjusting permissions based on real-time data, and a federated learning framework that enhances trustworthiness by weighting each client's contributions according to the quality of their partial models. Finally, since authorization revocation is another critical concern, we present an efficient revocation scheme for verifiable credentials in IoT networks, featuring decentralization, demanding minimum storage and computing capabilities. All the mechanisms have been evaluated in different conditions, proving their adaptability to the Cloud-to-Thing Continuum landscape.