{"id":33469,"date":"2026-10-16T16:52:09","date_gmt":"2026-10-16T14:52:09","guid":{"rendered":"https:\/\/itpatagonia.com\/?p=33469"},"modified":"2026-10-16T17:07:27","modified_gmt":"2026-10-16T15:07:27","slug":"modernizacion-mainframe-primeros-pasos","status":"publish","type":"post","link":"https:\/\/itpatagonia.com\/es\/blog\/modernizacion-mainframe-primeros-pasos","title":{"rendered":"Ya decid\u00ed modernizar mi core. \u00bfY ahora qu\u00e9?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Una empresa decide <a href=\"https:\/\/itpatagonia.com\/es\/blog\/modernizacion-del-mainframe-rutas-posibles-trade-offs-y-criterios-de-decision\/\">modernizar sus sistemas core<\/a> generalmente por motivaci\u00f3n econ\u00f3mica. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El consumo de mainframe se factura por la unidad de capacidad MSU y, como la plataforma est\u00e1 en el centro de la operaci\u00f3n desde hace d\u00e9cadas, reemplazar el hardware puede costar decenas de millones de d\u00f3lares. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por eso, la conversaci\u00f3n suele empezar en finanzas: <strong>\u00bfc\u00f3mo reducir el consumo y los tiempos de procesamiento para lograr la disponibilidad 24&#215;7?<\/strong> Luego, se suman tecnolog\u00eda y negocio; porque las \u00e1reas comerciales necesitan lanzar productos y campa\u00f1as, y un core que tarda en cambiar deja de ser un habilitador para convertirse en un freno.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En este video vas a aprender c\u00f3mo la conversaci\u00f3n de modernizaci\u00f3n suele abrirse por el costo (MSU\/MIPS) y se completa con agilidad de negocio; el an\u00e1lisis inicial y el tablero de m\u00e9tricas que son la base de todo el programa de modernizaci\u00f3n, que se puede reducir consumo sin migrar de plataforma, y c\u00f3mo se gobiernan los programas de gran escala.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Ya decid\u00ed modernizar mi core. \u00bfY ahora qu\u00e9?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/c0iFq4x0qYs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div style=\"height:11px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-primer-paso-entender-donde-esta-parado-el-core\" class=\"wp-block-heading\"><strong>Primer paso: entender d\u00f3nde est\u00e1 parado el core<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un programa serio no empieza modificando c\u00f3digo sino con un an\u00e1lisis de reingenier\u00eda y modernizaci\u00f3n que incluye relevamiento integral de procesos batch, online e integraciones, mapa de aplicaciones y dependencias, y detecci\u00f3n de cuellos de botella de performance y costo. De ese an\u00e1lisis sale el <a href=\"https:\/\/itpatagonia.com\/es\/blog\/modernizacion-del-core-llave-en-mano\/\">roadmap que ordena el resto de los frentes<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En paralelo se dise\u00f1a un tablero estrat\u00e9gico de m\u00e9tricas (MIPS, tiempos de batch, disponibilidad, incidentes y costos), que fija la l\u00ednea de base y permite mostrar la mejora a los comit\u00e9s y a la direcci\u00f3n a lo largo del programa.<\/p>\n\n\n\n<h2 id=\"h-que-se-puede-mejorar-sin-cambiar-de-plataforma\" class=\"wp-block-heading\"><strong>Qu\u00e9 se puede mejorar sin cambiar de plataforma<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aun si la decisi\u00f3n es quedarse en el mainframe, hay varias palancas para la modernizaci\u00f3n. Una es migrar de COBOL antiguo a COBOL 6, priorizando los componentes seg\u00fan criticidad y beneficio, con un piloto controlado, una migraci\u00f3n masiva y una etapa de estabilizaci\u00f3n, aprovechando las capacidades del compilador para reducir consumo. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Otra, optimizar las integraciones<em> host to host<\/em>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Y una tercera es ir acotando el rol del core con el patr\u00f3n <em>strangler<\/em>: no se apaga nada, se optimiza, se deja en el core lo m\u00e1s importante y el resto se lleva afuera de a poco.<\/p>\n\n\n\n<h2 id=\"h-como-se-organiza-un-programa-de-este-tamano\" class=\"wp-block-heading\"><strong>C\u00f3mo se organiza un programa de este tama\u00f1o<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un programa integral de escala nacional puede extenderse unos 30 meses, con frentes que se solapan (COBOL 6, optimizaci\u00f3n online, de configuraci\u00f3n y batch, APIficaci\u00f3n y desacople de canales) y que se gobiernan como un \u00fanico programa, con una PMO y comit\u00e9s conjuntos entre la entidad bancaria y el proveedor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Despu\u00e9s de decidir modernizar el mainframe, el primer paso es relevar el estado actual, no tocar sistemas. Aprend\u00e9 c\u00f3mo un an\u00e1lisis de reingenier\u00eda mapea procesos batch y online, dependencias y puntos cr\u00edticos de costo, y se acompa\u00f1a con un tablero de m\u00e9tricas (MIPS, tiempos de batch, disponibilidad) que fija la l\u00ednea de base.<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","page_builder":"","footnotes":""},"categories":[173],"tags":[151,70,45],"class_list":["post-33469","post","type-post","status-publish","format-standard","hentry","category-modernizacion-core","tag-modernizacion-core","tag-modernizacion-del-mainframe","tag-modernizar-el-mainframe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Modernizaci\u00f3n de mainframe: qu\u00e9 hacer despu\u00e9s de decidir<\/title>\n<meta name=\"description\" content=\"Despu\u00e9s de decidir modernizar el core, el primer paso es medir. 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