{"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":"arhitectura-retelei-centrale-ss7","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/ro\/ss7-sms\/arhitectura-retelei-centrale-ss7\/","title":{"rendered":"Arhitectura re\u021belei de baz\u0103 SS7"},"content":{"rendered":"<h1>SS7 SMS APEL LOCA\u021aIE<\/h1>\n<p>Re\u021beaua central\u0103 GSM (CN) (sau subsistemul de comutare a re\u021belei NSS) este componenta sistemului GSM care realizeaz\u0103 comutarea apelurilor \u0219i gestionarea mobilit\u0103\u021bii pentru telefoanele mobile. CN const\u0103 din urm\u0103toarele componente<\/p>\n<p><strong>Centrul de comutare a serviciilor mobile (MSC)<\/strong>: constituie interfa\u021ba dintre sistemul radio \u0219i re\u021beaua fix\u0103. Acesta \u00eendepline\u0219te toate func\u021biile necesare pentru gestionarea serviciilor cu comutare de circuite c\u0103tre \u0219i de la sta\u021biile mobile (3GPP, 2015, p26). MSC const\u0103 de obicei din dou\u0103 sisteme: serverul MSC, responsabil cu semnalizarea, \u0219i gateway-ul media (MGW), care gestioneaz\u0103 traficul utilizatorului.<\/p>\n<p><strong>Serverul Home Subscriber (HSS)<\/strong> este baza de date principal\u0103 pentru un anumit utilizator. Este entitatea care con\u021bine informa\u021biile legate de abonament pentru a sprijini entit\u0103\u021bile de re\u021bea care gestioneaz\u0103 efectiv apelurile\/sesiunile (3GPP, 2015, p22). HSS de\u021bine: informa\u021bii privind identificarea, numerotarea \u0219i adresarea utilizatorului, informa\u021bii privind securitatea utilizatorului, informa\u021bii privind localizarea utilizatorului \u0219i informa\u021bii privind profilul utilizatorului. Func\u021bia HSS este \u00eendeplinit\u0103 de dou\u0103 componente de re\u021bea: Home Location Register (HLR) \u0219i Authentication Center (AuC)<\/p>\n<p><strong>Registrul loca\u021biei de domiciliu (HLR)<\/strong> este o baz\u0103 de date central\u0103 care con\u021bine detalii despre fiecare abonat de telefonie mobil\u0103 care este autorizat s\u0103 utilizeze re\u021beaua central\u0103 GSM. Fiecare utilizator poate fi asociat unui singur HLR.<\/p>\n<p><strong>Centrul de autentificare (AuC)<\/strong> este asociat cu un anumit HLR \u0219i stocheaz\u0103 o cheie de identitate pentru fiecare abonat \u00eenregistrat la HLR-ul asociat. Cheia este utilizat\u0103 pentru a genera date de securitate care sunt ulterior utilizate pentru autentificarea reciproc\u0103 \u00eentre abonat \u0219i re\u021bea, pentru a proteja integritatea \u0219i confiden\u021bialitatea comunica\u021biilor (3GPP, 2015, p23).<\/p>\n<p><strong>Registrul de localizare a vizitatorilor (VLR)<\/strong> este o baz\u0103 de date a abona\u021bilor care s-au deplasat \u00een jurisdic\u021bia MSC pe care o deserve\u0219te. Atunci c\u00e2nd o sta\u021bie mobil\u0103 (MS) intr\u0103 \u00eentr-o nou\u0103 zon\u0103 de localizare, aceasta \u00eencepe o procedur\u0103 de \u00eenregistrare. Un MSC responsabil de zona respectiv\u0103 observ\u0103 aceast\u0103 \u00eenregistrare \u0219i transfer\u0103 c\u0103tre un registru al loca\u021biilor vizitatorilor identitatea zonei de loca\u021bie \u00een care se afl\u0103 sta\u021bia mobil\u0103 (MS). Dac\u0103 aceast\u0103 MS nu este \u00eenc\u0103 \u00eenregistrat\u0103 \u00een VLR, VLR \u0219i HLR fac schimb de informa\u021bii pentru a permite gestionarea corect\u0103 a apelurilor CS care implic\u0103 MS. \u00cen practic\u0103, din motive de performan\u021b\u0103, majoritatea furnizorilor integreaz\u0103 VLR direct \u00een V-MSC (3GPP, 2015, p25).<\/p>\n<p><strong>Gateway-ul serviciului de mesaje scurte (SMSC)<\/strong> ac\u021bioneaz\u0103 ca o interfa\u021b\u0103 \u00eentre un centru de servicii de mesaje scurte \u0219i re\u021beaua mobil\u0103, pentru a permite transmiterea mesajelor scurte c\u0103tre sta\u021biile mobile de la centrul de servicii (3GPP, 2015, p26).<\/p>\n<p><strong>Punctul de transfer al semnaliz\u0103rii (STP)<\/strong> este responsabil pentru transferul mesajelor SS7 \u00eentre alte noduri SS7, ac\u021bion\u00e2nd oarecum ca un router \u00eentr-o re\u021bea IP (Dryburgh, Hewet, 2005).<\/p>","protected":false},"excerpt":{"rendered":"<p>SS7 SMS CALL LOCATION Re\u021beaua central\u0103 GSM (CN) (sau subsistemul de comutare a re\u021belei NSS) este componenta sistemului GSM care realizeaz\u0103 comutarea apelurilor \u0219i gestionarea mobilit\u0103\u021bii pentru telefoanele mobile. CN const\u0103 din urm\u0103toarele componente Centrul de comutare a serviciilor mobile (MSC): constituie interfa\u021ba dintre sistemul radio \u0219i re\u021beaua fix\u0103....<\/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\/ro\/ss7-sms\/arhitectura-retelei-centrale-ss7\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\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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