{"id":4143,"date":"2020-10-30T22:00:28","date_gmt":"2020-10-30T21:00:28","guid":{"rendered":"https:\/\/webhosting.de\/?p=4143"},"modified":"2025-02-19T18:55:55","modified_gmt":"2025-02-19T17:55:55","slug":"redes-de-entrega-de-contenido-que-nube-tan-especial","status":"publish","type":"post","link":"https:\/\/webhosting.de\/es\/content-delivery-networks-was-cloudflare-so-besonders-macht\/","title":{"rendered":"Redes de entrega de contenidos - \u00bfQu\u00e9 hace a CloudFlare tan especial?"},"content":{"rendered":"<p>\"Danos cinco minutos y tendremos tu <a href=\"https:\/\/webhosting.de\/es\/eine-eigene-webseite-fuer-ihr-unternehmen-ja-oder-nein\/\">sitio web<\/a> ponerse en marcha\" es lo que promete el proveedor CloudFlare, con sede en San Francisco, en su propio sitio web. Se dice que s\u00f3lo se tarda cinco minutos en registrarse en CloudFare, elegir la tarifa correspondiente (plan) y cargar el sitio web correspondiente al proveedor. Eso s\u00ed, siempre que la propia conexi\u00f3n a Internet sea lo suficientemente r\u00e1pida. Pero CloudFlare no s\u00f3lo promete velocidad, sino tambi\u00e9n soluciones de seguridad avanzadas como un \"Web Application Firewall\" o un \"Advanced Denial of Service Attack Mitgation\". Todo esto es posible gracias a la combinaci\u00f3n de dos tecnolog\u00edas: una es relativamente nueva, la otra es tan antigua como Internet, y juntas forman un sistema global casi autosuficiente.<\/p>\n<h2>Red de entrega de contenidos - Cuando las nubes se vuelven difusas<\/h2>\n<p>En lugar de un servicio de nube normal, por ejemplo como \"Infraestructura como servicio\", el denominado \"Sistema de entrega de contenido\" funciona de manera algo diferente, porque en lugar de estar concentrado en un solo punto, las redes de entrega de contenido est\u00e1n distribuidas de manera difusa en varios puntos de presencia y forman una red de nubes dispuestas de manera difusa. En t\u00e9rminos concretos, esto significa 43 centros de datos en 32 pa\u00edses para CloudFlare. Sin embargo, no se trata s\u00f3lo de una cuesti\u00f3n de tama\u00f1o, sino de la mayor cobertura posible de lugares en todo el mundo. Concretamente, una investigaci\u00f3n de Sud\u00e1frica no deber\u00eda llevar m\u00e1s de una de los Estados Unidos debido a su ubicaci\u00f3n geogr\u00e1fica. <\/p>\n<p>La Red de Distribuci\u00f3n de Contenido funciona con un sistema de distribuci\u00f3n de dos partes. Hay uno o m\u00e1s servidores de origen y un gran n\u00famero de \"backbones\" o servidores de r\u00e9plica que contienen una copia del archivo disponible. La frecuencia con la que un archivo de este tipo se refleja, es decir, se distribuye en los servidores de r\u00e9plica, depende en gran medida del n\u00famero de solicitudes. Si un archivo se solicita s\u00f3lo en raras ocasiones, es posible que unos pocos pilares sean ya suficientes para satisfacer adecuadamente la demanda. Adem\u00e1s: No todas las espinas dorsales est\u00e1n \"colocadas\" de la misma manera. Algunos est\u00e1n dise\u00f1ados para la eficiencia, otros para la velocidad. La combinaci\u00f3n de ambos garantiza una distribuci\u00f3n consistente en tiempo y velocidad, independientemente del tr\u00e1fico activo.<\/p>\n<h2>Servidor de nombres de dominio - La consecuencia l\u00f3gica<\/h2>\n<p>La segunda parte del sistema de distribuci\u00f3n es el servidor de nombres de dominio. Esto se encarga de resolver las cadenas de suministro asignadas por el servidor de origen a trav\u00e9s del enrutamiento de solicitudes basado en DNS. Al igual que en Internet, a las redes troncales se les pueden asignar identificadores \u00fanicos, que el DNS puede utilizar en su <a href=\"https:\/\/webhosting.de\/es\/datenbank-server\/\">Base de datos<\/a> ha almacenado. Para procesar una solicitud, el usuario debe ser redirigido a una red troncal, que requiere informaci\u00f3n como el ID y la IP. Esta es exactamente la informaci\u00f3n que proporciona el DNS.<\/p>\n<p>Sin embargo, el DNS de CloudFlare no s\u00f3lo se utiliza para esta tarea, sino que tambi\u00e9n funciona como un DNS \"normal\", que es capaz de convertir los nombres de dominio de los sitios web en IP. Aunque actualmente hay muchos DNS que no est\u00e1n vinculados a los proveedores de servicios de Internet, como openDNS o Google Public DNS, el funcionamiento de un DNS propio aumenta la seguridad de los sitios web almacenados a trav\u00e9s de CloudFlare, al menos en peque\u00f1a medida, ya que es posible reaccionar m\u00e1s r\u00e1pidamente a los ataques que tienen por objeto una \"denegaci\u00f3n de servicio\".<\/p>\n<h2>Los tres pilares de la seguridad<\/h2>\n<p>En t\u00e9rminos generales, la alta seguridad de CloudFlare se logra mediante un sistema de tres pilares, a saber, un cortafuegos de aplicaciones basado en la web, que se coloca, por as\u00ed decirlo, delante del sitio web real, el cifrado SSL de extremo a extremo basado en protocolos y algoritmos patentados o preferidos por el usuario, y el DNSSEC (DNS-SECurity), un sistema de apret\u00f3n de manos para consultas del DNS basado en firmas criptogr\u00e1ficas, que funciona con m\u00faltiples capas. Aparte de eso, el propio DNS permite un sistema de alerta temprana mucho mejor para los ataques DDoS a trav\u00e9s de un mejor monitoreo \"en la fuente\", ya que el \"estallido\" del tr\u00e1fico se nota aqu\u00ed antes de que el sitio web real se vea afectado.<\/p>\n<h2>Pocos competidores<\/h2>\n<p>Por el momento hay poca competencia seria para CloudFlare. Mientras que hay otros proveedores - incluso los de las grandes empresas - que trabajan con las grandes marcas y una amplia aplicaci\u00f3n har\u00e1 dif\u00edcil quitar a CloudFlare del trono. Pero no s\u00f3lo se ganan puntos con frases vac\u00edas, sino que al combinar una red de entrega de contenidos y un servidor de nombres de dominio con todas las ventajas asociadas, se crea un sistema en el que la velocidad y la seguridad son igualmente importantes.<\/p>","protected":false},"excerpt":{"rendered":"<p>&#8222;Gib uns f\u00fcnf Minuten und wir werden deine Webseite auf Touren bringen&#8220; verspricht der in San Francisco ans\u00e4ssige Anbieter CloudFlare vollmundig auf seiner eigenen Seite. Lediglich f\u00fcnf Minuten soll es dauern, sich bei CloudFare zu registrieren, einen entsprechenden Tarif (Plan) zu w\u00e4hlen und die entsprechende Webseite beim Anbieter hochzuladen. Unter der Voraussetzung allerdings, das die 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