{"id":9324,"date":"2023-06-10T15:35:37","date_gmt":"2023-06-10T12:35:37","guid":{"rendered":"https:\/\/vasexperts.com\/?p=9324"},"modified":"2025-08-11T14:13:42","modified_gmt":"2025-08-11T11:13:42","slug":"how-dhcp-nak-affects-isps-business","status":"publish","type":"post","link":"https:\/\/vasexperts.com\/es\/blog\/bng\/how-dhcp-nak-affects-isps-business\/","title":{"rendered":"C\u00f3mo influye el DHCP NAK en el negocio del operador"},"content":{"rendered":"<h2>Script de autorizaci\u00f3n DHCP<\/h2>\r\nLa autorizaci\u00f3n DHCP se utiliza en BNG L2-connected IPoE. Este t\u00e9rmino implica la autorizaci\u00f3n mediante un mensaje DHCP Discover del abonado. Este script se explica detalladamente en el art\u00edculo <a href=\"\/es\/blog\/bng\/bng-call-flows\/\" rel=\"noopener noreferrer\">BNG Call Flows<\/a>.\r\n\r\nEl intercambio DHCP del cliente con el servidor se representa en el esquema.\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/07\/client-server-dhcp.png\" alt=\"Client Server DHCP\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9330\" srcset=\"\/wp-content\/uploads\/2023\/07\/client-server-dhcp.png 2048w, \/wp-content\/uploads\/2023\/07\/client-server-dhcp-300x85.png 300w, \/wp-content\/uploads\/2023\/07\/client-server-dhcp-1024x289.png 1024w, \/wp-content\/uploads\/2023\/07\/client-server-dhcp-768x217.png 768w, \/wp-content\/uploads\/2023\/07\/client-server-dhcp-1536x434.png 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/07\/client-server-dhcp.png\" alt=\"Client Server DHCP\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9330 lazyload\" sizes=\"(max-width: 2048px) 100vw, 2048px\" data-src=\"\/wp-content\/uploads\/2023\/07\/client-server-dhcp.png\" data-srcset=\"\/wp-content\/uploads\/2023\/07\/client-server-dhcp.png 2048w, \/wp-content\/uploads\/2023\/07\/client-server-dhcp-300x85.png 300w, \/wp-content\/uploads\/2023\/07\/client-server-dhcp-1024x289.png 1024w, \/wp-content\/uploads\/2023\/07\/client-server-dhcp-768x217.png 768w, \/wp-content\/uploads\/2023\/07\/client-server-dhcp-1536x434.png 1536w\">\r\n\r\nDespu\u00e9s de la autorizaci\u00f3n, el cliente recibe una direcci\u00f3n IP durante el Lease-time y, transcurrida la mitad del tiempo, env\u00eda una DHCP Request para prolongar el lease de la direcci\u00f3n IP asignada, para lo cual se espera un DHCP ACK.\r\n\r\nPero existe un script en el que es necesario volver a autorizar a un abonado y esto s\u00f3lo se hace mediante un mensaje DHCP Discover. Aqu\u00ed es donde interviene la exclusiva funci\u00f3n Stingray SG BNG: podemos aceptar una CoA Disconnect (PoD \u2013 Packet of Disconnect) del servidor Radius y <a href=\"https:\/\/wiki.vasexperts.com\/doku.php?id=dpi:bras_bng:radius_integration:radius_auth_server_integration:radius_auth_coa:start\" rel=\"nofollow noopener noreferrer\">responder al cliente DHCP NAK (NAK significa Not Acknowledged)<\/a> para la siguiente solicitud de renovaci\u00f3n de lease.\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius.png\" alt=\"Client BNG PCRF Radius\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9329\" srcset=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius.png 2048w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-300x117.png 300w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-1024x400.png 1024w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-768x300.png 768w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-1536x600.png 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius.png\" alt=\"Client BNG PCRF Radius\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9329 lazyload\" sizes=\"(max-width: 2048px) 100vw, 2048px\" data-src=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius.png\" data-srcset=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius.png 2048w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-300x117.png 300w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-1024x400.png 1024w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-768x300.png 768w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-1536x600.png 1536w\">\r\n\r\n   <strong>  \u00bfQu\u00e9 nos aporta esto?   <\/strong>  \r\nEl uso de NAK DHCP acelera la reautorizaci\u00f3n exactamente por un factor de 2 y no requiere reiniciar el router, como ocurre, por ejemplo, en los BNG de Nokia, donde no es posible procesar las solicitudes DHCP despu\u00e9s de haber recibido una CoA.\r\n<h2>\u00bfC\u00f3mo afecta el NAK DHCP al proceso de negocio del operador?<\/h2>\r\n   <strong>  En primer lugar, la respuesta del NAK acelera la aplicaci\u00f3n de las opciones de tarifas   <\/strong>   directamente en el equipo del cliente. El cliente espera menos y, por tanto, su lealtad aumenta. Normalmente se requiere un cambio en el momento m\u00e1s crucial, cuando el cliente acaba de pagar el servicio y necesita Internet urgentemente.\r\n\r\n   <strong>  En segundo lugar, el uso de respuestas DHCP NAK reduce el coste de conexi\u00f3n de nuevos usuarios,   <\/strong>   ya que es caro tener un asistente in situ y es una p\u00e9rdida para la empresa perder tiempo esperando en la l\u00ednea de soporte t\u00e9cnico. El algoritmo est\u00e1ndar para la conexi\u00f3n inicial del cliente supone que \u00e9ste entre en un dominio con derechos restringidos, donde, una vez autenticado, puede volver a autenticarse y acceder a Internet. Stingray SG reduce los tiempos de espera a la mitad, lo que permite conectar m\u00e1s abonados a un \u00fanico maestro.\r\n\r\nAdem\u00e1s, no se debe descartar el algoritmo cuando no se interrumpe la sesi\u00f3n actual, sino que s\u00f3lo se transmiten los atributos que se han modificado. Esta opci\u00f3n se denomina Full CoA o simplemente CoA.\r\n<h2>\u00bfPara qu\u00e9 se utiliza Full CoA?<\/h2>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa.png\" alt=\"Client BNG PCRF Radius CoA\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9328\" srcset=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa.png 1024w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa-300x88.png 300w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa-768x226.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa.png\" alt=\"Client BNG PCRF Radius CoA\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9328 lazyload\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-src=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa.png\" data-srcset=\"\/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa.png 1024w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa-300x88.png 300w, \/wp-content\/uploads\/2023\/07\/client-bng-pcrf-radius-coa-768x226.png 768w\">\r\n\r\nSe utiliza activamente por aquellos operadores que no necesitan cambiar la direcci\u00f3n IP al volver a autorizarse. Ser\u00e1 suficiente cambiar los par\u00e1metros de la sesi\u00f3n actual. Como ejemplo cabe citar la conexi\u00f3n de un servicio como el \u00abBot\u00f3n Turbo\u00bb, que aumenta la velocidad de conexi\u00f3n durante un intervalo de tiempo determinado.\r\n\r\n[product id=\u00bb132\u2033 type=\u00bbdark\u00bb]","protected":false},"excerpt":{"rendered":"<p>Hoy vamos a ver un ejemplo de c\u00f3mo una funcionalidad espec\u00edfica de Stingray SG influye en el negocio y ahorra recursos a la empresa. Y donde hay ahorro, hay beneficios.<\/p>\n","protected":false},"author":7,"featured_media":9327,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-9324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bng"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>VAS Experts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/vasexperts.com\/blog\/bng\/how-dhcp-nak-affects-isps-business\/\",\"url\":\"https:\/\/vasexperts.com\/blog\/bng\/how-dhcp-nak-affects-isps-business\/\",\"name\":\"[:en]How DHCP NAK Affects ISP's 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