March 2025
Intermediate to advanced
546 pages
16h 23m
Spanish
Content preview from Fundamentos de la arquitectura de software, 2.ª edición
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Capítulo 10. Estilo de arquitectura por capas
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El estilo de arquitectura en capas, también conocido como n-capas, es uno de los estilos de arquitectura más comunes. Es el estándar de facto para muchas aplicaciones heredadas por su sencillez, familiaridad y bajo coste.
El estilo de arquitectura en capas puede caer en varios antipatrones arquitectónicos, incluidos los antipatrones Arquitectura por Implicación y Arquitectura Accidental. Cuando los desarrolladores o arquitectos "simplemente empiezan a codificar", sin estar seguros de qué estilo de arquitectura están utilizando, es muy probable que estén aplicando el estilo de arquitectura por capas.
Topología
Los componentes del estilo de arquitectura por capas se organizan en capas horizontales lógicas, como se muestra en la Figura 10-1, y cada capa desempeña una función específica dentro de la aplicación (como la lógica de presentación o la lógica empresarial). Aunque no hay restricciones específicas en cuanto al número y tipos de capas que deben existir, la mayoría de las arquitecturas en capas constan de cuatro capas estándar: Presentación, Negocio, Persistencia y Base de Datos. Algunas arquitecturas combinan las capas de Negocio y Persistencia, sobre todo cuando la lógica de persistencia (como SQL o HSQL) está incrustada dentro de los componentes de la capa de Negocio. Las aplicaciones más pequeñas pueden tener ...
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