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Percorrer por autor "Veloz, Jorge"

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  • JavaScript Middleware for Mobile Agents Support on Desktop and Mobile Platforms
    Publication . Silva, Carlos; Costa, Nuno; Grilo, Carlos; Veloz, Jorge
    The evolution of technology in interconnection solutions such as Networks or the Internet, have allowed many communication architectures to be born and a varied interconnectivity. Here, we present a project that relies on the mobile agent computing paradigm. A middleware using the JavaScript language that allows the execution and ability to move mobile agents through the local network and Internet. This initiative arose as a way of dealing with problems raised by the considerable amount of existing Java based mobile agents middleware, which force the installation of the Java Virtual Machine in the devices, making complicated its execution in operating systems like macOS, iOS and others non-java friendly O.S. Our middleware works steadily in all operating systems, requiring only the installation of node.js. For mobile platforms the middleware is developed using React-native that allows it to run on mobile operating systems such as Android and iOS.
    2018Capítulo de livro Acesso restrito Ver mais
  • Secure Push notification service based on MQTT_Protocol for mobile platforms
    Publication . Gomes da Silva, Carlos; Toasa, Renato; Martinez, H. David; Veloz, Jorge; Gallardo, Cristian
    Push notification is conceptually an event-based mechanism where remote servers push events to smartphone client apps when these occur. The communication between the MQTT client and the remote server has been performed via TCP by default, causing certain level of uncertainty in the obtaining data, which is necessary to enhance an adequate configuration of the server with the aim of generating security in the transmission and integrity of the data. This paper present the secure MQTT services implement on android and iOS clients, developing a push notification service that can be used to solve the problem of instant pushing several messages on a company. It also details the different areas in which the MQTT protocol could be applied.
    2017Comunicação em conferência Acesso aberto Ver mais