1,812 research outputs found

    Manejo integrado de corós em trigo e culturas associadas.

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    bitstream/CNPT-2010/40568/1/p-co203.pd

    ICONA: Inter Cluster ONOS Network Application

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    Several Network Operating Systems (NOS) have been proposed in the last few years for Software Defined Networks; however, a few of them are currently offering the resiliency, scalability and high availability required for production environments. Open Networking Operating System (ONOS) is an open source NOS, designed to be reliable and to scale up to thousands of managed devices. It supports multiple concurrent instances (a cluster of controllers) with distributed data stores. A tight requirement of ONOS is that all instances must be close enough to have negligible communication delays, which means they are typically installed within a single datacenter or a LAN network. However in certain wide area network scenarios, this constraint may limit the speed of responsiveness of the controller toward network events like failures or congested links, an important requirement from the point of view of a Service Provider. This paper presents ICONA, a tool developed on top of ONOS and designed in order to extend ONOS capability in network scenarios where there are stringent requirements in term of control plane responsiveness. In particular the paper describes the architecture behind ICONA and provides some initial evaluation obtained on a preliminary version of the tool.Comment: Paper submitted to a conferenc

    Cross-Border Investment, Conflict of Laws, and the Privatization of Securities Law

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    The rapid acceleration of transnational investing is occurring in an environment in which emerging markets, and foreign interest in these markets, are exploding. The issues involved with cross-border investment, conflict of laws and the privatization of securities law are examined

    Monitoramento de insetos (Coleoptera) no exterior de unidades armazenadoras.

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    bitstream/CNPT-2010/40616/1/p-co251.pd

    Identificação dos principais Coleoptera (Insecta) associados a produtos armazenados.

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    bitstream/CNPT-2010/40693/1/p-do75.pd

    Study on the suitable lighting design of Beato Angelico’s artworks displayed at the National Museum of San Matteo in Pisa (Italy)

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    The lighting design of exhibition space has a great impact on visual and colour perception and different lighting arrangements can create very different visual impression of artworks and, if not carefully designed, compromise the enjoyment of the viewers. This study involved the design of a new lighting solution for two of Beato Angelico’s artworks displayed at the National Museum of San Matteo (Pisa, Italy). Multiple test lighting configurations were designed using different LED luminaires and different settings of the luminaires. The test lighting configurations were evaluated by a restricted group of observers through a survey in order to individuate the most suitable solution, able to enhance the two artworks simultaneously and to provide a good visual experience for museum visitors
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