{"id":521,"date":"2026-07-08T05:41:48","date_gmt":"2026-07-08T05:41:48","guid":{"rendered":"https:\/\/www.go-togaf.com\/es\/%f0%9f%93%98-the-ultimate-guide-to-data-flow-diagrams-dfd-concepts-rules-and-graphviz-examples\/"},"modified":"2026-07-08T05:41:48","modified_gmt":"2026-07-08T05:41:48","slug":"%f0%9f%93%98-the-ultimate-guide-to-data-flow-diagrams-dfd-concepts-rules-and-graphviz-examples","status":"publish","type":"post","link":"https:\/\/www.go-togaf.com\/es\/%f0%9f%93%98-the-ultimate-guide-to-data-flow-diagrams-dfd-concepts-rules-and-graphviz-examples\/","title":{"rendered":"\ud83d\udcd8 La gu\u00eda definitiva sobre los diagramas de flujo de datos (DFD): conceptos, reglas y ejemplos con Graphviz"},"content":{"rendered":"<h2>\ud83c\udf1f Introducci\u00f3n<\/h2>\n<p>En el complejo panorama de la ingenier\u00eda de software moderna y el an\u00e1lisis empresarial, cerrar la brecha de comunicaci\u00f3n entre desarrolladores t\u00e9cnicos y partes interesadas no t\u00e9cnicas es un desaf\u00edo permanente. Entren en el<strong>Diagrama de flujo de datos (DFD)<\/strong>\u2014una herramienta visual de modelado atemporal y poderosa que representa el recorrido de los datos a trav\u00e9s de un sistema.<\/p>\n<p>A diferencia de los diagramas de flujo que se centran en el flujo de control y los bucles l\u00f3gicos, los DFD se centran estrictamente en<strong>datos<\/strong>: de d\u00f3nde provienen, c\u00f3mo se transforman, d\u00f3nde se almacenan y a d\u00f3nde finalmente van. Ya sea que est\u00e9s dise\u00f1ando una plataforma de comercio electr\u00f3nico masiva o un simple rastreador interno de inventario, los DFD ofrecen una visi\u00f3n general de la arquitectura de tu sistema.<\/p>\n<p id=\"kpZMhdi\"><img fetchpriority=\"high\" alt=\"Data Flow Diagram (DFD): A tutorial\" class=\"alignnone wp-image-872 size-full\" decoding=\"async\" fetchpriority=\"high\" height=\"928\" sizes=\"(max-width: 1664px) 100vw, 1664px\" src=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de1c29071e.png\" srcset=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de1c29071e.png 1664w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de1c29071e-300x167.png 300w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de1c29071e-1024x571.png 1024w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de1c29071e-768x428.png 768w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de1c29071e-1536x857.png 1536w\" width=\"1664\"\/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>En esta gu\u00eda completa, exploraremos los principios fundamentales de los DFD, las reglas estrictas que los rigen, las diferencias entre modelos l\u00f3gicos y f\u00edsicos, y c\u00f3mo dar vida a estos conceptos utilizando<strong>c\u00f3digo Graphviz DOT<\/strong> c\u00f3digo. Cada ejemplo proporcionado incluye un<strong>contenedor de l\u00edmite del sistema<\/strong> para delimitar claramente los procesos internos del sistema de las entidades externas.<\/p>\n<hr\/>\n<h2>\ud83e\uddd0 \u00bfQu\u00e9 es un diagrama de flujo de datos (DFD)?<\/h2>\n<p>Un diagrama de flujo de datos (DFD) representa gr\u00e1ficamente el flujo de datos a trav\u00e9s de un sistema de informaci\u00f3n empresarial. Representa los procesos involucrados en la transferencia de datos desde fuentes de entrada hasta el almacenamiento en archivos, y finalmente hasta la generaci\u00f3n de informes y destinos de salida.<\/p>\n<p>Los DFD generalmente se dividen en dos categor\u00edas distintas:<\/p>\n<ol>\n<li>\n<p><strong>DFD l\u00f3gico:<\/strong>\u00a0Describe la<em>negocios<\/em>\u00a0de datos. Se centra en lo que hace el sistema (actividades empresariales, eventos y datos generados) sin preocuparse por c\u00f3mo ser\u00e1 construido t\u00e9cnicamente.<\/p>\n<\/li>\n<li>\n<p><strong>DFD f\u00edsico:<\/strong>\u00a0Describe la<em>implementaci\u00f3n<\/em>\u00a0del flujo l\u00f3gico. Detalla c\u00f3mo se construir\u00e1 realmente el sistema, incluyendo hardware espec\u00edfico, software, archivos de base de datos y intervenciones humanas manuales.<\/p>\n<\/li>\n<\/ol>\n<h3>\ud83c\udfaf \u00bfPor qu\u00e9 usar DFD?<\/h3>\n<p>Los DFD sirven como una herramienta de comunicaci\u00f3n excepcional entre usuarios y dise\u00f1adores de sistemas gracias a su simplicidad visual. Se utilizan para:<\/p>\n<ul>\n<li>\n<p>Representar el flujo l\u00f3gico de informaci\u00f3n del sistema.<\/p>\n<\/li>\n<li>\n<p>Determinar los requisitos de construcci\u00f3n f\u00edsica del sistema.<\/p>\n<\/li>\n<li>\n<p>Establecer los requisitos del sistema manual frente al automatizado.<\/p>\n<\/li>\n<li>\n<p>Ofrecer una visi\u00f3n general que puede ampliarse en una jerarqu\u00eda de diagramas detallados.<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h2>\ud83e\udde9 Los cuatro s\u00edmbolos b\u00e1sicos de un DFD<\/h2>\n<p>Un DFD est\u00e1ndar se basa en cuatro bloques fundamentales. A continuaci\u00f3n se muestra una representaci\u00f3n de Graphviz que muestra c\u00f3mo interact\u00faan estos s\u00edmbolos dentro de un<strong>L\u00edmite del sistema<\/strong>.<\/p>\n<p id=\"qFCsspo\"><img alt=\"\" class=\"alignnone size-full wp-image-873\" decoding=\"async\" height=\"868\" sizes=\"(max-width: 1918px) 100vw, 1918px\" src=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de2264e922.png\" srcset=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de2264e922.png 1918w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de2264e922-300x136.png 300w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de2264e922-1024x463.png 1024w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de2264e922-768x348.png 768w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de2264e922-1536x695.png 1536w\" width=\"1918\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Graphviz<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph DFD_Symbols {\r\n    rankdir=LR;\r\n    splines=true;\r\n    graph [fontname=\"Helvetica\", fontsize=12];\r\n    node [fontname=\"Helvetica\", fontsize=10, penwidth=1.5];\r\n    edge [fontname=\"Helvetica\", fontsize=9, color=\"#555555\"];\r\n\r\n    \/\/ --- L\u00cdMITE DEL SISTEMA ---\r\n    subgraph cluster_System {\r\n        label=\"L\u00edmite del sistema (Procesos internos y almacenamiento)\";\r\n        style=\"dashed,rounded\";\r\n        color=\"#757575\";\r\n        bgcolor=\"#FAFAFA\";\r\n        \r\n        node [shape=circle, style=\"filled\", fillcolor=\"#E8F5E9\", color=\"#388E3C\", width=1.2];\r\n        Process [label=\"1.0nProcesonDatos\"];\r\n        \r\n        node [shape=cylinder, style=\"filled\", fillcolor=\"#FFF9C4\", color=\"#FBC02D\"];\r\n        DataStore [label=\"D1nBase de datos\"];\r\n    }\r\n    \r\n    \/\/ --- ENTIDADES EXTERNAS ---\r\n    node [shape=box, style=\"filled\", fillcolor=\"#E1F5FE\", color=\"#0288D1\"];\r\n    EntityIn [label=\"Fuentenexterna\"];\r\n    EntityOut [label=\"Destinonexterno\"];\r\n\r\n    \/\/ --- FLUJOS ---\r\n    EntityIn -&gt; Process [label=\"Entrada de datos brutos\"];\r\n    Process -&gt; DataStore [label=\"Escribir en almacenamiento\"];\r\n    DataStore -&gt; Process [label=\"Leer datos\"];\r\n    Process -&gt; EntityOut [label=\"Informe formateado\"];\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>1. Proceso<\/h3>\n<p>Un proceso recibe datos de entrada, los manipula y produce una salida con un contenido o forma diferente.<\/p>\n<ul>\n<li>\n<p><strong>Notaci\u00f3n:<\/strong>Un c\u00edrculo (Yourdon-DeMarco) o un rect\u00e1ngulo redondeado (Gane-Sarson). En Graphviz, utilizamos<code data-backticks=\"1\">shape=circle<\/code>.<\/p>\n<\/li>\n<li>\n<p><strong>Convenci\u00f3n de nombres:<\/strong>Un verbo seguido de un sustantivo singular (por ejemplo,<em>Calcular comisi\u00f3n<\/em>,\u00a0<em>Verificar pedido<\/em>).<\/p>\n<\/li>\n<li>\n<p><strong>Regla:<\/strong>Todo proceso debe tener al menos un flujo de datos de entrada y un flujo de datos de salida.<\/p>\n<\/li>\n<\/ul>\n<h3>2. Flujo de datos<\/h3>\n<p>Un flujo de datos es la tuber\u00eda por la cual los datos se mueven de un componente a otro. Puede representar un elemento de datos individual o una estructura de datos compleja.<\/p>\n<ul>\n<li>\n<p><strong>Notaci\u00f3n:<\/strong>Una l\u00ednea dirigida con una flecha (<code data-backticks=\"1\">-&gt;<\/code>en Graphviz).<\/p>\n<\/li>\n<li>\n<p><strong>Regla:<\/strong>Todos los flujos de datos deben comenzar y terminar en un paso de procesamiento, una entidad externa o un almac\u00e9n de datos. Los datos no pueden transformarse por s\u00ed solos.<\/p>\n<\/li>\n<\/ul>\n<h3>3. Almac\u00e9n de datos (Repositorio)<\/h3>\n<p>Un almac\u00e9n de datos representa una situaci\u00f3n en la que el sistema debe conservar datos para su uso posterior.<\/p>\n<ul>\n<li>\n<p><strong>Notaci\u00f3n:<\/strong>\u00a0Un rect\u00e1ngulo o cilindro sin cerrar. En Graphviz,\u00a0<code data-backticks=\"1\">shape=cylinder<\/code>\u00a0es ideal.<\/p>\n<\/li>\n<li>\n<p><strong>Regla:<\/strong>\u00a0Un almac\u00e9n de datos debe estar conectado a un proceso. Requiere al menos un flujo de entrada (escritura) y un flujo de salida (lectura).<\/p>\n<\/li>\n<\/ul>\n<h3>4. Entidad externa (Terminador)<\/h3>\n<p>Una entidad externa es una persona, departamento, organizaci\u00f3n externa o sistema externo que proporciona datos al sistema o recibe salidas de \u00e9l. Existen fuera de los l\u00edmites del sistema.<\/p>\n<ul>\n<li>\n<p><strong>Notaci\u00f3n:<\/strong>\u00a0Un cuadrado\/rect\u00e1ngulo. En Graphviz,\u00a0<code data-backticks=\"1\">shape=box<\/code>.<\/p>\n<\/li>\n<li>\n<p><strong>Regla:<\/strong>\u00a0No procesan datos; solo los originan o consumen.<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h2>\ud83d\udeab Reglas de flujo de datos y errores comunes<\/h2>\n<p>Al dise\u00f1ar diagramas de flujo de datos, ciertas reglas l\u00f3gicas deben seguirse estrictamente para asegurar que el diagrama represente una realidad posible.<\/p>\n<h3>La regla general del flujo de datos<\/h3>\n<p>Los datos no pueden moverse directamente entre entidades, almacenes de datos, ni de una entidad directamente a un almac\u00e9n de datos sin pasar por un\u00a0<strong>Proceso<\/strong>. Los datos no pueden transformarse a s\u00ed mismos.<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"left\">\u274c Flujo incorrecto<\/th>\n<th align=\"left\">\u2705 Flujo correcto<\/th>\n<th align=\"left\">Descripci\u00f3n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\">Entidad \u2794 Entidad<\/td>\n<td align=\"left\">Entidad \u2794\u00a0<strong>Proceso<\/strong>\u00a0\u2794 Entidad<\/td>\n<td align=\"left\">Una entidad no puede proporcionar datos a otra entidad sin que ocurra alg\u00fan procesamiento.<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Entidad \u2794 Almac\u00e9n de datos<\/td>\n<td align=\"left\">Entidad \u2794\u00a0<strong>Proceso<\/strong>\u00a0\u2794 Almac\u00e9n de datos<\/td>\n<td align=\"left\">Los datos no pueden moverse directamente desde una entidad hacia un almac\u00e9n de datos sin ser procesados.<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Almac\u00e9n de datos \u2794 Almac\u00e9n de datos<\/td>\n<td align=\"left\">Almac\u00e9n de datos \u2794\u00a0<strong>Proceso<\/strong>\u00a0\u2794 Almac\u00e9n de datos<\/td>\n<td align=\"left\">Los datos no pueden moverse directamente de un almac\u00e9n de datos a otro sin ser procesados.<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Almac\u00e9n de datos \u2794 Entidad<\/td>\n<td align=\"left\">Almac\u00e9n de datos \u2794\u00a0<strong>Proceso<\/strong>\u00a0\u2794 Entidad<\/td>\n<td align=\"left\">Los datos no pueden enviarse directamente a una entidad desde una base de datos sin un proceso que los formatee.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Errores l\u00f3gicos (errores en los pasos de procesamiento)<\/h3>\n<ol>\n<li>\n<p><strong>\u26ab Agujero negro:<\/strong>\u00a0Un proceso tiene flujos de entrada pero\u00a0<em>sin flujos de salida<\/em>. (Los datos desaparecen).<\/p>\n<\/li>\n<li>\n<p><strong>\u2728 Milagro:<\/strong>\u00a0Un proceso tiene flujos de salida pero\u00a0<em>sin flujos de entrada<\/em>. (Los datos se crean de la nada).<\/p>\n<\/li>\n<li>\n<p><strong>\u26aa Agujero gris:<\/strong>\u00a0Un proceso tiene salidas que son\u00a0<em>mayores que la suma de sus entradas<\/em>. (por ejemplo, generar un perfil de usuario completo cuando solo se ingres\u00f3 un ID de usuario, sin leer desde un almac\u00e9n de datos).<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<h2>\ud83c\udfd7\ufe0f Descomposici\u00f3n ascendente (nivelaci\u00f3n)<\/h2>\n<p>Descomposici\u00f3n ascendente, o\u00a0<strong>nivelaci\u00f3n<\/strong>, implica comenzar con una visi\u00f3n general y expandirse hacia una jerarqu\u00eda de diagramas detallados. Al pasar entre niveles,\u00a0<strong>Equilibrado<\/strong>\u00a0debe ocurrir: las entradas y salidas de un diagrama hijo deben coincidir perfectamente con las entradas y salidas del proceso padre que representa.<\/p>\n<h3>Nivel 0: El diagrama de contexto<\/h3>\n<p>El diagrama de contexto es el nivel m\u00e1s alto de un DFD. Contiene solo\u00a0<strong>un \u00fanico proceso<\/strong>\u00a0que representa todo el sistema. Define el l\u00edmite del sistema y c\u00f3mo interact\u00faa con el mundo exterior. No\u00a0<em>no<\/em>\u00a0contiene almacenes de datos.<\/p>\n<p id=\"mgPOdUb\"><img alt=\"\" class=\"alignnone size-full wp-image-874\" decoding=\"async\" height=\"871\" sizes=\"(max-width: 1916px) 100vw, 1916px\" src=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de263cd064.png\" srcset=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de263cd064.png 1916w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de263cd064-300x136.png 300w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de263cd064-1024x466.png 1024w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de263cd064-768x349.png 768w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de263cd064-1536x698.png 1536w\" width=\"1916\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Graphviz<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph Diagrama_Contexto {\r\n    rankdir=LR;\r\n    graph [fontname=\"Helvetica\", fontsize=12];\r\n    node [fontname=\"Helvetica\", fontsize=11];\r\n    edge [fontname=\"Helvetica\", fontsize=9, color=\"#555555\"];\r\n\r\n    subgraph cluster_Nivel0 {\r\n        label=\"Diagrama de contexto: Sistema de registro universitario (Nivel 0)\";\r\n        style=\"dashed,rounded\";\r\n        color=\"#0288D1\";\r\n        bgcolor=\"#F0F8FF\";\r\n        \r\n        node [shape=circle, style=\"filled\", fillcolor=\"#E8F5E9\", color=\"#388E3C\", width=2.0];\r\n        Sistema [label=\"0.0nUniversidadnRegistronSistema\"];\r\n    }\r\n    \r\n    node [shape=box, style=\"filled\", fillcolor=\"#E1F5FE\", color=\"#0288D1\"];\r\n    Estudiante [label=\"Estudiante\"];\r\n    Administrador [label=\"Personal administrativo\"];\r\n    Banco [label=\"PasarelanBancaria\"];\r\n    \r\n    Estudiante -&gt; Sistema [label=\"Selecci\u00f3n de cursos \/ ID\"];\r\n    Sistema -&gt; Estudiante [label=\"Horario de clases \/ Comprobante\"];\r\n    \r\n    Administrador -&gt; Sistema [label=\"Actualizaciones de cursos \/ Listas\"];\r\n    Sistema -&gt; Administrador [label=\"Informes de inscripci\u00f3n\"];\r\n    \r\n    Sistema -&gt; Banco [label=\"Solicitud de pago\"];\r\n    Banco -&gt; Sistema [label=\"Estado de transacci\u00f3n\"];\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>Nivel 1 DFD<\/h3>\n<p>El proceso \u00fanico del diagrama de contexto se \u00abexplota\u00bb para revelar los principales procesos internos, almacenes de datos y flujos de datos internos. Observe c\u00f3mo las entidades externas y sus entradas\/salidas permanecen exactamente iguales (Equilibrado).<\/p>\n<p id=\"AFwhvag\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-875\" decoding=\"async\" height=\"385\" loading=\"lazy\" sizes=\"auto, (max-width: 1224px) 100vw, 1224px\" src=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de278c2cf6.png\" srcset=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de278c2cf6.png 1224w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de278c2cf6-300x94.png 300w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de278c2cf6-1024x322.png 1024w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de278c2cf6-768x242.png 768w\" width=\"1224\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Graphviz<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph Nivel1_DFD {\r\n    rankdir=LR;\r\n    graph [fontname=\"Helvetica\", fontsize=12];\r\n    node [fontname=\"Helvetica\", fontsize=10];\r\n    edge [fontname=\"Helvetica\", fontsize=8, color=\"#555555\"];\r\n\r\n    subgraph cluster_Nivel1 {\r\n        label=\"Nivel 1 DFD: Sistema de registro universitario\";\r\n        style=\"dashed,rounded\";\r\n        color=\"#388E3C\";\r\n        bgcolor=\"#F5FFFA\";\r\n        \r\n        \/\/ Procesos\r\n        node [shape=circle, style=\"filled\", fillcolor=\"#E8F5E9\", color=\"#388E3C\"];\r\n        P1 [label=\"1.0nVerificarnEstudiante\"];\r\n        P2 [label=\"2.0nVerificarnDisponibilidad\"];\r\n        P3 [label=\"3.0nInscribirnEstudiante\"];\r\n        P4 [label=\"4.0nProcesarnPago\"];\r\n        \r\n        \/\/ Almacenes de datos\r\n        node [shape=cylinder, style=\"filled\", fillcolor=\"#FFF9C4\", color=\"#FBC02D\"];\r\n        D1 [label=\"D1nRegistrosnEstudiantiles\"];\r\n        D2 [label=\"D2nCat\u00e1logonde cursos\"];\r\n    }\r\n    \r\n    \/\/ Entidades externas\r\n    node [shape=box, style=\"filled\", fillcolor=\"#E1F5FE\", color=\"#0288D1\"];\r\n    Estudiante [label=\"Estudiante\"];\r\n    Banco [label=\"PasarelanBancaria\"];\r\n    \r\n    \/\/ Flujos\r\n    Estudiante -&gt; P1 [label=\"ID de estudiante\"];\r\n    D1 -&gt; P1 [label=\"Estado del estudiante\"];\r\n    P1 -&gt; P2 [label=\"ID v\u00e1lido\"];\r\n    \r\n    Estudiante -&gt; P2 [label=\"Selecci\u00f3n de cursos\"];\r\n    D2 -&gt; P2 [label=\"Disponibilidad de asientos\"];\r\n    P2 -&gt; P3 [label=\"Asientos confirmados\"];\r\n    \r\n    P3 -&gt; D1 [label=\"Actualizar inscripci\u00f3n\"];\r\n    P3 -&gt; P4 [label=\"Cuota acad\u00e9mica\"];\r\n    \r\n    Estudiante -&gt; P4 [label=\"Informaci\u00f3n de tarjeta de cr\u00e9dito\"];\r\n    P4 -&gt; Banco [label=\"Solicitud de autorizaci\u00f3n\"];\r\n    Banco -&gt; P4 [label=\"Aprobaci\u00f3n de autorizaci\u00f3n\"];\r\n    P4 -&gt; Estudiante [label=\"Comprobante \/ Horario\"];\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>Nivel 2 DFD<\/h3>\n<p>Si un proceso del Nivel 1 es altamente complejo, se extrae y se explota en un DFD del Nivel 2. Este proceso contin\u00faa hasta que los procesos alcanzan el estado de \u00abprimitiva funcional\u00bb (donde no se requiere una descomposici\u00f3n adicional).<\/p>\n<hr\/>\n<h2>\u2696\ufe0f Diagramas de flujo de datos l\u00f3gicos frente a f\u00edsicos<\/h2>\n<p>Mientras que los DFD l\u00f3gicos se centran en el\u00a0<em>negocio<\/em>, los DFD f\u00edsicos se centran en el\u00a0<em>tecnolog\u00eda y ejecuci\u00f3n<\/em>.<\/p>\n<h3>Beneficios de los DFD l\u00f3gicos<\/h3>\n<ul>\n<li>\n<p><strong>Estabilidad:<\/strong>Basado en eventos de negocio, haci\u00e9ndolos inmunes a los cambios tecnol\u00f3gicos.<\/p>\n<\/li>\n<li>\n<p><strong>Comunicaci\u00f3n:<\/strong>F\u00e1cilmente comprensible para los interesados del proyecto no t\u00e9cnicos.<\/p>\n<\/li>\n<li>\n<p><strong>Mantenimiento:<\/strong>Las funciones de negocio rara vez cambian tan dr\u00e1sticamente como las arquitecturas de software.<\/p>\n<\/li>\n<\/ul>\n<h3>Beneficios de los DFD f\u00edsicos<\/h3>\n<ul>\n<li>\n<p><strong>Claridad t\u00e9cnica:<\/strong>Distingue entre procesos humanos manuales y scripts de software automatizados.<\/p>\n<\/li>\n<li>\n<p><strong>Secuenciaci\u00f3n:<\/strong>Muestra \u00f3rdenes estrictas de ejecuci\u00f3n (por ejemplo, \u201cActualizar DB\u201d<em>debe<\/em>ocurrir antes de \u201cGenerar PDF\u201d).<\/p>\n<\/li>\n<li>\n<p><strong>Detalles de implementaci\u00f3n:<\/strong>Especifica nombres de archivos reales, puntos finales de API, tablas temporales de transacciones y controles de hardware.<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\uded2 Estudio de caso: Caja de supermercado<\/h3>\n<p>A continuaci\u00f3n se muestran dos diagramas que representan el mismo evento de negocio, modelado l\u00f3gicamente y f\u00edsicamente.<\/p>\n<h4>1. DFD l\u00f3gico (La vista del negocio)<\/h4>\n<p>Se enfoca en los conceptos: los art\u00edculos se suman, el pago se procesa y se entrega un comprobante.<\/p>\n<p id=\"JpfaDqx\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-876\" decoding=\"async\" height=\"355\" loading=\"lazy\" sizes=\"auto, (max-width: 696px) 100vw, 696px\" src=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de295c0e8d.png\" srcset=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de295c0e8d.png 696w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de295c0e8d-300x153.png 300w\" width=\"696\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Graphviz<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph Logical_Grocery {\r\n    rankdir=LR;\r\n    graph [fontname=\"Helvetica\", fontsize=12];\r\n    node [fontname=\"Helvetica\", fontsize=10];\r\n    edge [fontname=\"Helvetica\", fontsize=9, color=\"#555555\"];\r\n\r\n    subgraph cluster_LogicalSystem {\r\n        label=\"Caja de supermercado (modelo l\u00f3gico)\";\r\n        style=\"dashed,rounded\";\r\n        color=\"#388E3C\";\r\n        bgcolor=\"#F5FFFA\";\r\n        \r\n        node [shape=circle, style=\"filled\", fillcolor=\"#E8F5E9\", color=\"#388E3C\"];\r\n        P1 [label=\"1.0nCalcularnTotal\"];\r\n        P2 [label=\"2.0nProcesarnPago\"];\r\n        P3 [label=\"3.0nGenerarnComprobante\"];\r\n        \r\n        node [shape=cylinder, style=\"filled\", fillcolor=\"#FFF9C4\", color=\"#FBC02D\"];\r\n        D1 [label=\"D1nVentas diarias\"];\r\n    }\r\n    \r\n    node [shape=box, style=\"filled\", fillcolor=\"#E1F5FE\", color=\"#0288D1\"];\r\n    Customer [label=\"Cliente\"];\r\n    \r\n    Customer -&gt; P1 [label=\"Art\u00edculos y precios\"];\r\n    P1 -&gt; P2 [label=\"Monto total\"];\r\n    Customer -&gt; P2 [label=\"Pago\"];\r\n    P2 -&gt; P3 [label=\"Detalles de la transacci\u00f3n\"];\r\n    P2 -&gt; D1 [label=\"Actualizar registro de ventas\"];\r\n    P3 -&gt; Customer [label=\"Comprobante\"];\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h4>2. DFD f\u00edsico (La vista t\u00e9cnica)<\/h4>\n<p>Detalla el esc\u00e1ner de c\u00f3digos de barras, la base de datos UPC, el archivo de sesi\u00f3n temporal y la impresora t\u00e9rmica f\u00edsica.<\/p>\n<p id=\"OyZGWsM\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-877\" decoding=\"async\" height=\"867\" loading=\"lazy\" sizes=\"auto, (max-width: 1916px) 100vw, 1916px\" src=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de309d08c4.png\" srcset=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de309d08c4.png 1916w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de309d08c4-300x136.png 300w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de309d08c4-1024x463.png 1024w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de309d08c4-768x348.png 768w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4de309d08c4-1536x695.png 1536w\" width=\"1916\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Graphviz<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph Physical_Grocery {\r\n    rankdir=LR;\r\n    graph [fontname=\"Helvetica\", fontsize=12];\r\n    node [fontname=\"Helvetica\", fontsize=10];\r\n    edge [fontname=\"Helvetica\", fontsize=9, color=\"#555555\"];\r\n\r\n    subgraph cluster_PhysicalSystem {\r\n        label=\"Caja de supermercado (modelo f\u00edsico)\";\r\n        style=\"dashed,rounded\";\r\n        color=\"#D32F2F\";\r\n        bgcolor=\"#FFF5F5\";\r\n        \r\n        node [shape=circle, style=\"filled\", fillcolor=\"#FFEBEE\", color=\"#D32F2F\"];\r\n        P1 [label=\"1.1nEscaneonC\u00f3digos de barras\"];\r\n        P2 [label=\"1.2nCalcularnSubtotal\"];\r\n        P3 [label=\"2.1nProcesarnTarjeta de cr\u00e9dito\"];\r\n        P4 [label=\"3.1nImprimirnComprobante\"];\r\n        \r\n        node [shape=cylinder, style=\"filled\", fillcolor=\"#FFF9C4\", color=\"#FBC02D\"];\r\n        D1 [label=\"Base de datos maestra UPC\"];\r\n        D2 [label=\"Archivo de sesi\u00f3n temporal\"];\r\n        D3 [label=\"Base de datos SQL del POS\"];\r\n    }\r\n    \r\n    node [shape=box, style=\"filled\", fillcolor=\"#E1F5FE\", color=\"#0288D1\"];\r\n    Customer [label=\"Cliente\"];\r\n    Stripe [label=\"API de Stripe\"];\r\n    Printer [label=\"Impresora t\u00e9rmica\"];\r\n    \r\n    Customer -&gt; P1 [label=\"Art\u00edculos f\u00edsicos\"];\r\n    P1 -&gt; D1 [label=\"Consulta c\u00f3digo UPC\"];\r\n    D1 -&gt; P1 [label=\"Datos de precio\"];\r\n    P1 -&gt; P2 [label=\"Datos de art\u00edculo\"];\r\n    P2 -&gt; D2 [label=\"Almacenar subtotal\"];\r\n    P2 -&gt; P3 [label=\"Total a pagar\"];\r\n    Customer -&gt; P3 [label=\"Deslizar tarjeta de cr\u00e9dito\"];\r\n    P3 -&gt; Stripe [label=\"Solicitud de autorizaci\u00f3n\"];\r\n    Stripe -&gt; P3 [label=\"Respuesta de autorizaci\u00f3n\"];\r\n    P3 -&gt; P4 [label=\"Transacci\u00f3n aprobada\"];\r\n    P3 -&gt; D3 [label=\"Escribir transacci\u00f3n\"];\r\n    P4 -&gt; Printer [label=\"Comandos de impresi\u00f3n\"];\r\n    Printer -&gt; Customer [label=\"Recibo de papel\"];\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Editar Graphviz en VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr\/>\n<h2>\ud83d\udccf Gu\u00edas para desarrollar DFDs perfectos<\/h2>\n<p>Para asegurarse de que sus diagramas permanezcan legibles y l\u00f3gicamente s\u00f3lidos, siga estas gu\u00edas est\u00e1ndar de la industria:<\/p>\n<ol>\n<li>\n<p><strong>La regla del diagrama de contexto:<\/strong>\u00a0El diagrama de nivel 0 debe caber en una sola p\u00e1gina. El proceso \u00fanico debe nombrarse seg\u00fan el sistema completo (por ejemplo,\u00a0<em>Sistema de procesamiento de pedidos<\/em>).<\/p>\n<\/li>\n<li>\n<p><strong>Nombres \u00fanicos:<\/strong>\u00a0Utilice nombres \u00fanicos dentro de cada conjunto de s\u00edmbolos en todos los niveles. Solo puede haber una entidad llamada\u00a0<code data-backticks=\"1\">CLIENTE<\/code>\u00a0en toda la jerarqu\u00eda del diagrama de flujo de datos.<\/p>\n<\/li>\n<li>\n<p><strong>Sin l\u00edneas que se crucen:<\/strong>\u00a0Evite que las l\u00edneas de flujo de datos se crucen. Si un diagrama se vuelve demasiado complejo, limite el n\u00famero de procesos o utilice s\u00edmbolos duplicados (como una entidad externa duplicada) marcados con un asterisco (*) para mantener el enrutamiento limpio.<\/p>\n<\/li>\n<li>\n<p><strong>La regla del 7 \u00b1 2:<\/strong>\u00a0La mente humana puede procesar c\u00f3modamente entre 5 y 9 elementos a la vez. Una sola p\u00e1gina de diagrama de flujo de datos no debe contener m\u00e1s de\u00a0<strong>7 a 9 s\u00edmbolos de proceso<\/strong>. Si lo hace, descomponga a\u00fan m\u00e1s.<\/p>\n<\/li>\n<li>\n<p><strong>Convenci\u00f3n de numeraci\u00f3n:<\/strong>\u00a0Utilice n\u00fameros de referencia jer\u00e1rquicos para los procesos.<\/p>\n<ul>\n<li>\n<p>Nivel 0:\u00a0<code data-backticks=\"1\">0<\/code><\/p>\n<\/li>\n<li>\n<p>Nivel 1:\u00a0<code data-backticks=\"1\">1.0<\/code>,\u00a0<code data-backticks=\"1\">2.0<\/code>,\u00a0<code data-backticks=\"1\">3.0<\/code><\/p>\n<\/li>\n<li>\n<p>Nivel 2:\u00a0<code data-backticks=\"1\">1.1<\/code>,\u00a0<code data-backticks=\"1\">1.2<\/code>,\u00a0<code data-backticks=\"1\">2.1<\/code>,\u00a0<code data-backticks=\"1\">2.2<\/code><\/p>\n<\/li>\n<li>\n<p>Nivel 3:\u00a0<code data-backticks=\"1\">1.1.1<\/code>,\u00a0<code data-backticks=\"1\">1.1.2<\/code><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr\/>\n<h2>\ud83c\udfc1 Conclusi\u00f3n<\/h2>\n<p>Los diagramas de flujo de datos siguen siendo una de las metodolog\u00edas m\u00e1s efectivas para visualizar la arquitectura del sistema, definir requisitos y alinear los objetivos empresariales con la ejecuci\u00f3n t\u00e9cnica. Al adherirse estrictamente a las reglas de los DFD\u2014evitando agujeros negros, asegurando un nivelado equilibrado y diferenciando entre la intenci\u00f3n l\u00f3gica y la implementaci\u00f3n f\u00edsica\u2014los equipos pueden prevenir fallas arquitect\u00f3nicas costosas antes de que se escriba una sola l\u00ednea de c\u00f3digo.<\/p>\n<p class=\"\">Adem\u00e1s, mediante el uso de herramientas de diagramaci\u00f3n declarativas como\u00a0<strong>Graphviz DOT<\/strong>, los equipos de ingenier\u00eda pueden tratar sus DFD como c\u00f3digo. Esto permite que la arquitectura del sistema se controle mediante versiones, se revise entre pares y se genere autom\u00e1ticamente junto con el software mismo, asegurando que la documentaci\u00f3n nunca quede desactualizada respecto al l\u00edmite real del sistema. Ya sea que est\u00e9s mapeando una caja de compras simple o una red de comercio electr\u00f3nico global, los principios del DFD proporcionan un mapa claro e indudable del recorrido de tus datos.<\/p>\n<h3>Referencia<\/h3>\n<ol>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/ai-gane-and-sarson-dfd-generator-by-visual-paradigm\/#content\"><strong>Generador de DFD Gane y Sarson con IA por Visual Paradigm<\/strong><\/a>: Explica c\u00f3mo las herramientas de IA de Visual Paradigm pueden generar DFDs de Gane-Sarson a partir de descripciones de texto.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/cn\/a-step-by-step-guide-to-creating-data-flow-diagrams-with-visual-paradigm\/\"><strong>Una gu\u00eda paso a paso para crear diagramas de flujo de datos con Visual Paradigm<\/strong><\/a>: Proporciona una gu\u00eda para crear DFDs con la herramienta en l\u00ednea de Visual Paradigm, desde el registro hasta el compartir.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/how-to-create-data-flow-diagram\"><strong>\u00bfC\u00f3mo crear un diagrama de flujo de datos (DFD)?<\/strong><\/a>: Una gu\u00eda que cubre qu\u00e9 es un DFD, su prop\u00f3sito y los tipos principales (F\u00edsico y L\u00f3gico).<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.visual-paradigm.com\/fa\/beginners-guide-to-ssadm-dfd-diagrams-with-visual-paradigm-online\/\"><strong>Gu\u00eda para principiantes sobre diagramas DFD de SSADM con Visual Paradigm en l\u00ednea<\/strong><\/a>: Una gu\u00eda introductoria para crear diagramas de flujo de datos de estilo SSADM utilizando Visual Paradigm en l\u00ednea.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/tw\/comprehensive-guide-to-data-flow-diagrams-dfd-demystifying-information-flow\/#content\"><strong>Gu\u00eda completa sobre diagramas de flujo de datos (DFD): Desmitificando el flujo de informaci\u00f3n<\/strong><\/a>: Una visi\u00f3n general de los DFD, detallando sus elementos y por qu\u00e9 Visual Paradigm es una herramienta adecuada para crearlos.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/cn\/mastering-data-flow-diagrams-with-visual-paradigm-a-step-by-step-guide\/#content\"><strong>Dominar los diagramas de flujo de datos con Visual Paradigm: Una gu\u00eda paso a paso<\/strong><\/a>: Una gu\u00eda pr\u00e1ctica que utiliza ejemplos y plantillas para ense\u00f1ar la creaci\u00f3n de DFD, con estudios de caso como sistemas de compras en l\u00ednea.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/tw\/understanding-logical-dfd-vs-physical-dfd-when-and-why-we-need-them\/#respond\"><strong>Entendiendo el DFD l\u00f3gico frente al DFD f\u00edsico: cu\u00e1ndo y por qu\u00e9 los necesitamos<\/strong><\/a>: Explica las diferencias, prop\u00f3sitos y casos de uso adecuados para los diagramas de flujo de datos l\u00f3gicos y f\u00edsicos.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.visual-paradigm.com\/fa\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/#chgwngy_ayjad_yk_dyagram_jryan_dadh_ba_Visual_Paradigm_Online\"><strong>Gu\u00eda para principiantes sobre diagramas de flujo de datos (DFD) con Visual Paradigm en l\u00ednea<\/strong><\/a>: Una gu\u00eda amigable para principiantes que recorre los pasos para crear un DFD con Visual Paradigm en l\u00ednea.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/\"><strong>Archivos de DFD \u2013 Gu\u00edas de Visual Paradigm<\/strong><\/a>: Una colecci\u00f3n de art\u00edculos sobre temas de DFD que incluyen generadores de IA, validaci\u00f3n, equilibrio y niveles.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/#bu_zhou_6_bao_cun_yu_xiang\"><strong>Gu\u00eda para principiantes sobre Diagramas de Flujo de Datos (DFD) con Visual Paradigm Online<\/strong><\/a>: Detalla el proceso paso a paso para crear DFD, incluyendo sus componentes clave y c\u00f3mo utilizar plantillas.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/#dfd\"><strong>Dibuja DFD con la mejor herramienta para DFD<\/strong><\/a>: Discute la representaci\u00f3n gr\u00e1fica del flujo de datos, detalla los DFD l\u00f3gicos frente a los f\u00edsicos, y explora las ventajas de cada tipo.<\/p>\n<\/li>\n<li>\n<p class=\"\"><a href=\"https:\/\/blog.visual-paradigm.com\/id\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/\"><strong>Gu\u00eda para principiantes sobre Diagramas de Flujo de Datos (DFD) con Visual Paradigm Online<\/strong><\/a>: Una gu\u00eda para principiantes en idioma indonesio sobre DFD, que describe sus componentes y el proceso paso a paso para su creaci\u00f3n en Visual Paradigm Online.<\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\ud83c\udf1f Introducci\u00f3n En el complejo panorama de la ingenier\u00eda de software moderna y el an\u00e1lisis empresarial, cerrar la brecha de comunicaci\u00f3n entre desarrolladores t\u00e9cnicos y partes interesadas no t\u00e9cnicas es&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-521","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\ud83d\udcd8 La gu\u00eda definitiva sobre los diagramas de flujo de datos (DFD): conceptos, reglas y ejemplos con 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