{"id":352,"date":"2023-11-28T04:46:53","date_gmt":"2023-11-28T01:46:53","guid":{"rendered":"https:\/\/sms-txt.net\/?p=352"},"modified":"2024-09-05T12:44:20","modified_gmt":"2024-09-05T09:44:20","slug":"arquitectura-de-la-red-central-ss7","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/es\/ss7-sms\/arquitectura-de-la-red-central-ss7\/","title":{"rendered":"Arquitectura de la red central SS7"},"content":{"rendered":"<h1>SS7 SMS LOCALIZACI\u00d3N DE LLAMADAS<\/h1>\n<p>La red central GSM (CN) (o subsistema de conmutaci\u00f3n de red NSS) es el componente del sistema GSM que realiza la conmutaci\u00f3n de llamadas y la gesti\u00f3n de la movilidad de los tel\u00e9fonos m\u00f3viles. La CN consta de los siguientes componentes<\/p>\n<p><strong>El Centro de Conmutaci\u00f3n de Servicios M\u00f3viles (MSC)<\/strong>: constituye la interfaz entre el sistema radioel\u00e9ctrico y la red fija. Realiza todas las funciones necesarias para gestionar los servicios de conmutaci\u00f3n de circuitos hacia y desde las estaciones m\u00f3viles (3GPP, 2015, p26). El MSC suele constar de dos sistemas: el servidor MSC, responsable de la se\u00f1alizaci\u00f3n, y la pasarela de medios (MGW) que gestiona el tr\u00e1fico de usuario.<\/p>\n<p><strong>El servidor de abonado dom\u00e9stico (HSS)<\/strong> es la base de datos maestra para un usuario determinado. Es la entidad que contiene la informaci\u00f3n relacionada con la suscripci\u00f3n para apoyar a las entidades de red que gestionan realmente las llamadas\/sesiones (3GPP, 2015, p22). El HSS contiene: identificaci\u00f3n del usuario, informaci\u00f3n de numeraci\u00f3n y direccionamiento, informaci\u00f3n de seguridad del usuario, informaci\u00f3n de localizaci\u00f3n del usuario e informaci\u00f3n del perfil del usuario. La funci\u00f3n del HSS la realizan dos componentes de la red: El Home Location Register (HLR) y el Authentication Center (AuC).<\/p>\n<p><strong>El Registro de Localizaciones Domiciliarias (HLR)<\/strong> es una base de datos central que contiene detalles de cada abonado de telefon\u00eda m\u00f3vil que est\u00e1 autorizado a utilizar la red central GSM. Cada usuario s\u00f3lo puede estar asociado a un \u00fanico HLR.<\/p>\n<p><strong>El centro de autenticaci\u00f3n (AuC)<\/strong> est\u00e1 asociado a un HLR determinado y almacena una clave de identidad para cada abonado registrado en el HLR asociado. La clave se utiliza para generar datos de seguridad que posteriormente se utilizan para la autenticaci\u00f3n mutua entre el abonado y la red, proteger la integridad y la confidencialidad de las comunicaciones (3GPP, 2015, p23).<\/p>\n<p><strong>El Registro de Localizaci\u00f3n de Visitantes (RVL)<\/strong> es una base de datos de los abonados que han entrado en itinerancia en la jurisdicci\u00f3n del MSC al que sirve. Cuando una estaci\u00f3n m\u00f3vil (EM) entra en una nueva zona de ubicaci\u00f3n, inicia un procedimiento de registro. Un MSC a cargo de esa zona se percata de este registro y transfiere a un Registro de Localizaci\u00f3n de Visitantes la identidad de la zona de localizaci\u00f3n en la que se encuentra la estaci\u00f3n m\u00f3vil (EM). Si esta MS a\u00fan no est\u00e1 registrada en el VLR, el VLR y el HLR intercambian informaci\u00f3n para permitir el manejo adecuado de las llamadas CS que involucran a la MS. En la pr\u00e1ctica, por razones de rendimiento, la mayor\u00eda de los proveedores integran el VLR directamente en el V-MSC (3GPP, 2015, p25).<\/p>\n<p><strong>La pasarela de servicios de mensajes cortos (SMSC)<\/strong> act\u00faa como interfaz entre un Centro de Servicios de Mensajes Cortos y la red m\u00f3vil, para permitir la entrega de mensajes cortos a las estaciones m\u00f3viles desde el Centro de Servicios (3GPP, 2015, p26).<\/p>\n<p><strong>Punto de transferencia de se\u00f1ales (STP)<\/strong> es responsable de la transferencia de mensajes SS7 entre otros nodos SS7, actuando en cierto modo como un router en una red IP (Dryburgh, Hewet, 2005).<\/p>","protected":false},"excerpt":{"rendered":"<p>SS7 SMS LOCALIZACI\u00d3N DE LLAMADAS La red central GSM (CN) (o subsistema de conmutaci\u00f3n de red NSS) es el componente del sistema GSM que realiza la conmutaci\u00f3n de llamadas y la gesti\u00f3n de la movilidad de los tel\u00e9fonos m\u00f3viles. La CN consta de los siguientes componentes El Centro de Conmutaci\u00f3n de Servicios M\u00f3viles (MSC): constituye la interfaz entre el sistema radioel\u00e9ctrico y la red fija....<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-352","post","type-post","status-publish","format-standard","hentry","category-ss7-sms"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SS7 Core Network Architecture<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sms-txt.net\/es\/ss7-sms\/arquitectura-de-la-red-central-ss7\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SS7 Core Network Architecture\" \/>\n<meta property=\"og:description\" content=\"SS7 SMS CALL LOCATION The GSM Core network (CN) (or Network Switching Subsystem NSS) is the component of the GSM system that carries out call switching and mobility management for mobile phones. 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