{"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":"ss7-pagrindinio-tinklo-architektura","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/lt\/ss7-sms\/ss7-pagrindinio-tinklo-architektura\/","title":{"rendered":"SS7 pagrindinio tinklo architekt\u016bra"},"content":{"rendered":"<h1>SS7 SMS SKAMBU\u010cIO VIETA<\/h1>\n<p>GSM pagrindinis tinklas (CN) (arba Tinklo komutavimo posistem\u0117 NSS) - tai GSM sistemos komponentas, kuris atlieka mobili\u0173j\u0173 telefon\u0173 skambu\u010di\u0173 perjungim\u0105 ir judumo valdym\u0105. KN sudaro \u0161ie komponentai<\/p>\n<p><strong>Mobili\u0173j\u0173 paslaug\u0173 komutavimo centras (MSC)<\/strong>: yra radijo sistemos ir fiksuotojo tinklo s\u0105saja. Ji atlieka visas funkcijas, reikalingas grandin\u0117s komutavimo paslaugoms \u012f judriojo ry\u0161io stotis ir i\u0161 j\u0173 teikti (3GPP, 2015, p26). MSC paprastai sudaro dvi sistemos: MSC serveris, atsakingas u\u017e signalizacij\u0105, ir medijos \u0161liuzas (MGW), tvarkantis naudotojo duomen\u0173 sraut\u0105.<\/p>\n<p><strong>Nam\u0173 abonent\u0173 serveris (HSS)<\/strong> yra pagrindin\u0117 konkretaus naudotojo duomen\u0173 baz\u0117. Tai yra subjektas, kuriame pateikiama su prenumerata susijusi informacija, skirta pad\u0117ti tinklo subjektams, kurie fakti\u0161kai tvarko skambu\u010dius ir (arba) sesijas (3GPP, 2015, p22). HSS saugoma: naudotojo identifikavimo, numeravimo ir adresavimo informacija, naudotojo saugumo informacija, naudotojo vietos informacija ir naudotojo profilio informacija. HSS funkcij\u0105 atlieka du tinklo komponentai: Pagrindinis buvimo vietos registras (HLR) ir autenti\u0161kumo nustatymo centras (AuC).<\/p>\n<p><strong>Nam\u0173 buvimo vietos registras (HLR)<\/strong> tai centrin\u0117 duomen\u0173 baz\u0117, kurioje pateikiama informacija apie kiekvien\u0105 mobiliojo telefono abonent\u0105, kuriam leista naudotis GSM pagrindiniu tinklu. Kiekvienas naudotojas gali b\u016bti susietas tik su vienu HLR.<\/p>\n<p><strong>Autentifikavimo centras (AuC)<\/strong> yra susietas su tam tikru HLR ir saugo kiekvieno abonento, registruoto susijusiame HLR, tapatyb\u0117s rakt\u0105. Raktas naudojamas saugumo duomenims, kurie v\u0117liau naudojami abipusiam abonento ir tinklo autenti\u0161kumo patvirtinimui, ry\u0161io vientisumui ir konfidencialumui apsaugoti, generuoti (3GPP, 2015, p. 23).<\/p>\n<p><strong>Lankytoj\u0173 buvimo vietos registras (VLR)<\/strong> tai abonent\u0173, kurie buvo atvyk\u0119 \u012f aptarnaujamos MSC jurisdikcij\u0105, duomen\u0173 baz\u0117. Kai mobilioji stotis (MS) patenka \u012f naujos vietos teritorij\u0105, ji pradeda registracijos proced\u016br\u0105. U\u017e t\u0105 teritorij\u0105 atsakingas MSC pastebi \u0161i\u0105 registracij\u0105 ir perduoda \u012f Lankytoj\u0173 vietos registr\u0105 judriojo ry\u0161io stoties (MS) buvimo vietos teritorijos, kurioje ji yra, tapatyb\u0119. Jei \u0161i MS dar n\u0117ra u\u017eregistruota VLR, VLR ir HLR apsikei\u010dia informacija, kad b\u016bt\u0173 galima tinkamai tvarkyti CS skambu\u010dius, kuriuose dalyvauja MS. Praktikoje d\u0117l na\u0161umo prie\u017eas\u010di\u0173 dauguma gamintoj\u0173 VLR integruoja tiesiogiai \u012f V-MSC (3GPP, 2015, p25).<\/p>\n<p><strong>Trump\u0173j\u0173 \u017einu\u010di\u0173 tarnybos vartai (SMSC)<\/strong> veikia kaip s\u0105saja tarp trump\u0173j\u0173 \u017einu\u010di\u0173 paslaug\u0173 centro ir judriojo ry\u0161io tinklo, kad trumposios \u017einut\u0117s i\u0161 paslaug\u0173 centro b\u016bt\u0173 pristatomos \u012f judriojo ry\u0161io stotis (3GPP, 2015, p26).<\/p>\n<p><strong>Signalizavimo perdavimo ta\u0161kas (STP)<\/strong> yra atsakingas u\u017e SS7 prane\u0161im\u0173 perdavim\u0105 tarp kit\u0173 SS7 mazg\u0173, veikdamas pana\u0161iai kaip mar\u0161rutizatorius IP tinkle (Dryburgh, Hewet, 2005).<\/p>","protected":false},"excerpt":{"rendered":"<p>SS7 SMS skambu\u010di\u0173 vietos nustatymas GSM pagrindinis tinklas (CN) (arba Tinklo komutavimo posistemis NSS) yra GSM sistemos komponentas, kuris atlieka skambu\u010di\u0173 perjungim\u0105 ir judumo valdym\u0105 mobiliesiems telefonams. CN sudaro \u0161ie komponentai Mobili\u0173j\u0173 paslaug\u0173 komutavimo centras (MSC): radijo sistemos ir fiksuotojo tinklo s\u0105saja.....<\/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\/lt\/ss7-sms\/ss7-pagrindinio-tinklo-architektura\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\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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