{"id":5793,"date":"2019-03-29T15:49:07","date_gmt":"2019-03-29T14:49:07","guid":{"rendered":"https:\/\/www.nt-vsat.com\/network-services\/"},"modified":"2020-04-07T15:42:42","modified_gmt":"2020-04-07T15:42:42","slug":"network-services","status":"publish","type":"page","link":"https:\/\/nt-vsat.com\/fr\/network-services\/","title":{"rendered":"Topologie du r\u00e9seau satellite"},"content":{"rendered":"

[vc_row gap=\u00a0\u00bb30″ equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbbottom\u00a0\u00bb parallax=\u00a0\u00bbcontent-moving\u00a0\u00bb parallax_speed_bg=\u00a0\u00bb1″ video_overlay_color=\u00a0\u00bb#0022a0″ enable_bottom_divider=\u00a0\u00bbenabled\u00a0\u00bb shape_bottom_height=\u00a0\u00bb120″ shape_bottom_index=\u00a0\u00bb3″ css=\u00a0\u00bb.vc_custom_1553608795286{padding-top: 4% !important;padding-bottom: 4% !important;background-color: #cddce1 !important;background-position: 0 0;background-repeat:-repeat !important;}\u00a0\u00bb shape_bottom_color=\u00a0\u00bb#efefef\u00a0\u00bb][vc_column animation=\u00a0\u00bbwpb_bottom-to-top\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1551630223461{margin-top: 0px !important;}\u00a0\u00bb][vc_custom_heading source=\u00a0\u00bbpost_title\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:center|color:%23ffffff\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1551254629384{background-color: #efefef !important;}\u00a0\u00bb][vc_column][vc_empty_space height=\u00a0\u00bb30px\u00a0\u00bb][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/2″][vc_single_image image=\u00a0\u00bb4131″ img_size=\u00a0\u00bbfull\u00a0\u00bb][\/vc_column][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbVNO\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]Un op\u00e9rateur de r\u00e9seau virtuel ne poss\u00e8de pas sa propre infrastructure de r\u00e9seau, mais construit plut\u00f4t des solutions de r\u00e9seau individuelles pour les entreprises \u00e0 partir des infrastructures et des technologies de divers fournisseurs de t\u00e9l\u00e9communications.<\/p>\n

Ainsi, les sites mondiaux d’une entreprise peuvent \u00eatre mis en r\u00e9seau et la transmission prot\u00e9g\u00e9e des paquets de donn\u00e9es entre les diff\u00e9rents sites peut \u00eatre garantie.[\/vc_column_text][vc_custom_heading text=\u00a0\u00bbTronc IP\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]Cette technique est particuli\u00e8rement importante pour les entreprises qui d\u00e9pendent de nombreuses lignes et services t\u00e9l\u00e9phoniques (mise en attente, transfert d’appel, etc.). Le Tronc IP est int\u00e9ressant car, gr\u00e2ce \u00e0 cette technologie, de nombreux num\u00e9ros peuvent \u00eatre g\u00e9r\u00e9s par un seul syst\u00e8me t\u00e9l\u00e9phonique bas\u00e9 sur IP avec un seul compte d’acc\u00e8s.[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1553894244110{background-color: #ffffff !important;}\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbMAILLE\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]Un WLAN maill\u00e9 est un r\u00e9seau sans fil destin\u00e9 \u00e0 assurer la couverture la plus large possible \u00e0 un m\u00eame d\u00e9bit de transmission en associant plusieurs composants WLAN pour les terminaux se trouvant dans la zone maill\u00e9e.<\/p>\n

Dans un r\u00e9seau maill\u00e9, chaque n\u0153ud du r\u00e9seau est connect\u00e9 \u00e0 un ou plusieurs autres. Les informations sont transf\u00e9r\u00e9es de n\u0153ud en n\u0153ud jusqu’\u00e0 ce qu’elles atteignent leur destination. Si chaque participant est connect\u00e9 \u00e0 tous les autres participants, on parle de r\u00e9seau enti\u00e8rement maill\u00e9.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbDVB-S2″ font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]Il s’agit de la norme qui succ\u00e8de au DVB – S et donc d’une forme perfectionn\u00e9e de t\u00e9l\u00e9vision num\u00e9rique par satellite. Avec le DVB – S2, la plupart des stations peuvent \u00eatre re\u00e7ues en meilleure qualit\u00e9 (HD). Comme cette technologie est \u00e9galement plus rentable pour les stations, elles changeront probablement toutes \u00e0 long terme.[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1553871176292{background-color: #ffffff !important;}\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbR\u00e9seau STAR \/ TDMA\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]TDMA signifie \u00ab\u00a0time division multiple access\u00a0\u00bb, il s’agit donc d’une m\u00e9thode d’acc\u00e8s multiple qui permet \u00e0 plusieurs utilisateurs de faire usage de la m\u00eame fr\u00e9quence de transmission. Les utilisateurs \u00e9mettent dans ce que l’on appelle des intervalles de temps, de sorte que seule une partie de la largeur de bande de transmission disponible est n\u00e9cessaire et que la m\u00eame fr\u00e9quence de transmission peut donc \u00eatre utilis\u00e9e.<\/p>\n

 <\/p>\n

Cette technologie est employ\u00e9e dans un r\u00e9seau en \u00e9toile, o\u00f9 les donn\u00e9es peuvent \u00eatre transf\u00e9r\u00e9es d’une station HUB \u00e0 plusieurs stations de r\u00e9ception via le satellite, puis transmettre leurs donn\u00e9es \u00e0 la station HUB dans des intervalles de temps attribu\u00e9s.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbP2P \/ P2 multip\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]Le point – \u00e0 – point est le moyen le plus ais\u00e9 d’utiliser les satellites. Ici, la communication s’effectue entre 2 points plac\u00e9s sous la m\u00eame couverture satellite. La transmission s’effectue via 2 canaux de fr\u00e9quence. Un canal pour le signal sortant, l’autre pour le signal entrant.<\/p>\n

 <\/p>\n

Le point – \u00e0 – multipoint est une forme sp\u00e9ciale de liaison multipoint. Sous cette forme, il y a un point principal reli\u00e9 \u00e0 une vari\u00e9t\u00e9 de stations p\u00e9riph\u00e9riques \u00e9loign\u00e9es. Tout transfert de donn\u00e9es en provenance du point principal sera re\u00e7u par toutes les stations p\u00e9riph\u00e9riques distantes. Tandis que la transmission de donn\u00e9es de chaque station distante est uniquement re\u00e7ue du point principal central.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbSCPC\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]SCPC signifie \u00ab\u00a0single channel per carrier\u00a0\u00bb (un seul canal par porteuse). Dans cette forme de transmission par satellite, un seul canal par fr\u00e9quence porteuse est transmis \u00e0 partir du transpondeur. Le SCPC est employ\u00e9 pour les transmissions \u00e0 bande \u00e9troite, ce qui permet d’\u00e9viter les interf\u00e9rences entre les signaux. Avec le SCPC, vous pouvez vous connecter au satellite depuis n’importe quel endroit, mais les taux de symboles sont tr\u00e8s faibles.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbMCPC\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]MCPC signifie \u00ab\u00a0plusieurs canaux par porteuse\u00a0\u00bb. Lorsqu’un \u00e9metteur transmet un signal \u00e0 porteuse unique occupant la largeur de canal d’un transpondeur (SCPC), ce canal peut \u00eatre multiplex\u00e9 \u00e0 l’aide de diff\u00e9rentes techniques de multiplexage, par exemple l’AMRT, sont r\u00e9parties en plusieurs canaux, ce qui permet de transmettre plusieurs canaux par porteuse[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1553161875271{background-color: #374141 !important;}\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/3″][vc_row_inner][vc_column_inner width=\u00a0\u00bb2\/3″][vc_single_image image=\u00a0\u00bb2551″ img_size=\u00a0\u00bbfull\u00a0\u00bb][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/3″][\/vc_column_inner][\/vc_row_inner][vc_column_text css=\u00a0\u00bb.vc_custom_1553523669799{margin-bottom: 0px !important;}\u00a0\u00bb]Datenschutzerkl\u00e4rung\/Impressum<\/a>[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/3″][vc_custom_heading text=\u00a0\u00bbNTvsat\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|font_size:12|text_align:left|color:%23ffffff\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1586274148857{margin-top: 0px !important;}\u00a0\u00bb]Nous sommes une entreprise allemande qui fournit tous les services pour l\u2019internet par satellite. Notre but est de connecter des lieux \u00e9loign\u00e9s \u00e0 l\u2019internet ou \u00e0 votre r\u00e9seau local. Nous fournissons \u00e9galement l\u2019internet pour les v\u00e9hicules en mouvement comme les bateaux, les camions, les trains ou les plaines. Nous nous concentrons essentiellement sur l\u2019Afrique et le Proche-Orient.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/3″][vc_custom_heading text=\u00a0\u00bbCONTACT\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|font_size:12|text_align:left|color:%23ffffff\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1586274158851{border-radius: 1px !important;}\u00a0\u00bb]NTvsat
\nRingstra\u00dfe 19
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\nGermany<\/p>\n

T\u00e9l\u00e9phone: +49.173.699 09 74
\nsales@nt-vsat.de<\/p>\n

www.nt-vsat.de[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"

[vc_row gap=\u00a0\u00bb30″ equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbbottom\u00a0\u00bb parallax=\u00a0\u00bbcontent-moving\u00a0\u00bb parallax_speed_bg=\u00a0\u00bb1″ video_overlay_color=\u00a0\u00bb#0022a0″ enable_bottom_divider=\u00a0\u00bbenabled\u00a0\u00bb shape_bottom_height=\u00a0\u00bb120″ shape_bottom_index=\u00a0\u00bb3″ css=\u00a0\u00bb.vc_custom_1553608795286{padding-top: 4% !important;padding-bottom: 4% !important;background-color: #cddce1 !important;background-position: 0 0;background-repeat:-repeat !important;}\u00a0\u00bb shape_bottom_color=\u00a0\u00bb#efefef\u00a0\u00bb][vc_column animation=\u00a0\u00bbwpb_bottom-to-top\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1551630223461{margin-top: 0px !important;}\u00a0\u00bb][vc_custom_heading source=\u00a0\u00bbpost_title\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:center|color:%23ffffff\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1551254629384{background-color: #efefef !important;}\u00a0\u00bb][vc_column][vc_empty_space height=\u00a0\u00bb30px\u00a0\u00bb][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/2″][vc_single_image image=\u00a0\u00bb4131″ img_size=\u00a0\u00bbfull\u00a0\u00bb][\/vc_column][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbVNO\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]Un op\u00e9rateur de r\u00e9seau virtuel ne poss\u00e8de pas sa propre infrastructure de r\u00e9seau, mais construit … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5793","page","type-page","status-publish","hentry"],"yoast_head":"\nTopologie du r\u00e9seau satellite | NTvsat<\/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:\/\/nt-vsat.com\/fr\/network-services\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Topologie du r\u00e9seau satellite | NTvsat\" \/>\n<meta property=\"og:description\" content=\"[vc_row gap=\u00a0\u00bb30″ equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbbottom\u00a0\u00bb parallax=\u00a0\u00bbcontent-moving\u00a0\u00bb parallax_speed_bg=\u00a0\u00bb1″ video_overlay_color=\u00a0\u00bb#0022a0″ 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width=\u00a0\u00bb1\/2″][vc_single_image image=\u00a0\u00bb4131″ img_size=\u00a0\u00bbfull\u00a0\u00bb][\/vc_column][vc_column width=\u00a0\u00bb1\/2″][vc_custom_heading text=\u00a0\u00bbVNO\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23374141″ use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb][vc_column_text]Un op\u00e9rateur de r\u00e9seau virtuel ne poss\u00e8de pas sa propre infrastructure de r\u00e9seau, mais construit […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nt-vsat.com\/fr\/network-services\/\" \/>\n<meta property=\"og:site_name\" content=\"NTvsat\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NTvsat-100170158192571\/\" \/>\n<meta property=\"article:modified_time\" content=\"2020-04-07T15:42:42+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\">\n\t<meta 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