{"id":13710,"date":"2025-10-28T15:28:42","date_gmt":"2025-10-28T07:28:42","guid":{"rendered":"https:\/\/bdtime.cn\/?p=13710"},"modified":"2026-03-19T17:04:24","modified_gmt":"2026-03-19T09:04:24","slug":"t830-solution-horaire-unifiee-pour-lindustrie-financiere","status":"publish","type":"post","link":"https:\/\/bdpnt.com\/fr\/t830-solution-horaire-unifiee-pour-lindustrie-financiere\/","title":{"rendered":"Serveur d'horloge T830 Solution d'avant-vente PTP pour l'industrie financi\u00e8re"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"13710\" class=\"elementor elementor-13710\" data-elementor-post-type=\"post\">\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-973f173 e-flex e-con-boxed e-con e-parent\" data-id=\"973f173\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1a2c0c elementor-widget elementor-widget-woocommerce-breadcrumb\" data-id=\"d1a2c0c\" data-element_type=\"widget\" data-widget_type=\"woocommerce-breadcrumb.default\">\n\t\t\t\t\t<nav class=\"woocommerce-breadcrumb\" aria-label=\"Breadcrumb\" data-no-translation=\"\" data-trp-gettext=\"\">Accueil<\/nav>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-95e2463 e-con-full e-flex e-con e-parent\" data-id=\"95e2463\" data-element_type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-2476c8e e-flex e-con-boxed e-con e-child\" data-id=\"2476c8e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5818ddd elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"5818ddd\" data-element_type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Serveur d'horloge T830 Solution d'avant-vente PTP pour l'industrie financi\u00e8re<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97e679d elementor-widget elementor-widget-spacer\" data-id=\"97e679d\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-90e16b7 e-flex e-con-boxed e-con e-parent\" data-id=\"90e16b7\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c1a8a8b elementor-widget elementor-widget-spacer\" data-id=\"c1a8a8b\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18cc469 elementor-widget elementor-widget-heading\" data-id=\"18cc469\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Solution de temps unifi\u00e9 T830 pour l'industrie financi\u00e8re : passage en douceur de NTP \u00e0 PTP (IEEE 1588)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d5357c elementor-widget elementor-widget-text-editor\" data-id=\"3d5357c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Modification minimale pour atteindre les microsecondes puis les sous-microsecondes\/centaines de nanosecondes afin de r\u00e9pondre \u00e0 la tra\u00e7abilit\u00e9 et \u00e0 l'auditabilit\u00e9 des transactions ---- Solution d'horloge pour l'industrie financi\u00e8re<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b941c9 elementor-widget elementor-widget-spacer\" data-id=\"1b941c9\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-45b6e99 e-flex e-con-boxed e-con e-parent\" data-id=\"45b6e99\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-a1d94c6 e-con-full e-flex e-con e-child\" data-id=\"a1d94c6\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5786543 elementor-widget elementor-widget-text-editor\" data-id=\"5786543\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Dans un r\u00e9seau de production financi\u00e8re, le temps n'est pas \"aussi proche que possible\", mais \"doit \u00eatre coh\u00e9rent et tra\u00e7able\". Lorsqu'on s'appuie uniquement sur NTP, la gigue des files d'attente, l'asym\u00e9trie des chemins \u00e0 travers les trois couches et la congestion peuvent amplifier les \u00e9carts et les risques \u00e0 l'\u00e9chelle de la milliseconde et de la microseconde. Le PTP transforme les erreurs de source \u00e0 extr\u00e9mit\u00e9, qui sont des fluctuations incontr\u00f4lables, en erreurs budg\u00e9tisables, attribuables et g\u00e9rables gr\u00e2ce \u00e0 des horodatages mat\u00e9riels sur la puce NIC\/commutateur, des horloges de fronti\u00e8re\/transparentes et (en option) SyncE. Le protocole PTP transforme les erreurs \"source-r\u00e9seau\" de fluctuations incontr\u00f4lables en quantit\u00e9s de travail budg\u00e9tisables, attribuables et v\u00e9rifiables gr\u00e2ce \u00e0 des horodatages mat\u00e9riels sur la puce NIC\/commutateur et (en option) SyncE. Avec le T830 comme noyau, sans interrompre le NTP du r\u00e9seau existant, les liens critiques sont stabilis\u00e9s \u00e0 un niveau inf\u00e9rieur \u00e0 la microseconde et resserr\u00e9s \u00e0 un niveau inf\u00e9rieur \u00e0 la microseconde\/centaine de nanosecondes dans les segments centraux contr\u00f4l\u00e9s afin de maximiser la v\u00e9rifiabilit\u00e9 et la certitude de conformit\u00e9 en \u00e9change d'une modification minimale.<\/p><p><strong><b>Points douloureux et plafonds r\u00e9alistes du PNT :<\/b><\/strong>Les op\u00e9rations de r\u00e9sum\u00e9\/strat\u00e9gie ont une tol\u00e9rance z\u00e9ro pour les \"ordres s\u00e9quentiels\", mais les horodatages logiciels de NTP et l'asym\u00e9trie des chemins rendent difficile la limitation des pics occasionnels ; la diffusion\/lecture du march\u00e9 exige une reproduction intersyst\u00e8me stricte, mais la gigue et le risque de queue de NTP augmentent les co\u00fbts de v\u00e9rification ; le contr\u00f4le des ordres\/risques repose sur une synchronisation \u00e9troite, mais la d\u00e9rive interdomaine de NTP est susceptible de d\u00e9clencher des erreurs d'appr\u00e9ciation et des retours en arri\u00e8re ; la compensation\/l'audit exige un \"endossement horodat\u00e9\", mais NTP ne dispose pas de corrections au niveau du mat\u00e9riel pour chaque saut et d'une cha\u00eene de tra\u00e7abilit\u00e9 UTC compl\u00e8te. Pour la compensation et l'audit, NTP ne dispose pas des corrections au niveau du mat\u00e9riel et d'une cha\u00eene de tra\u00e7abilit\u00e9 UTC compl\u00e8te pour chaque saut, alors que le r\u00e8glement et l'audit n\u00e9cessitent un \"endossement horodat\u00e9\". Par cons\u00e9quent, NTP est adapt\u00e9 \u00e0 la \"disponibilit\u00e9 de base\", mais pr\u00e9sente une limite sup\u00e9rieure naturelle en ce qui concerne la coh\u00e9rence du niveau financier et l'auditabilit\u00e9.<\/p><p><strong><b>Pourquoi le protocole PTP doit-il \u00eatre mis en place ?<\/b><\/strong>Le protocole PTP \u00e9limine la gigue de la pile h\u00f4te gr\u00e2ce aux horodatages mat\u00e9riels, corrige les retards de r\u00e9sidence avec T-BC\/T-TC et unifie les fr\u00e9quences du r\u00e9seau avec SyncE ; il donne la priorit\u00e9 \u00e0 One-Step dans les segments contr\u00f4l\u00e9s pour r\u00e9duire la gigue, et \u00e0 Two-Step dans les segments restreints pour assurer la compatibilit\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-57dfc81 e-con-full e-flex e-con e-child\" data-id=\"57dfc81\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f690b49 elementor-widget elementor-widget-image\" data-id=\"f690b49\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"917\" height=\"776\" src=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724711.png\" class=\"attachment-large size-large wp-image-14810\" alt=\"\" srcset=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724711.png 917w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724711-300x254.png 300w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724711-768x650.png 768w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724711-14x12.png 14w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724711-600x508.png 600w\" sizes=\"(max-width: 917px) 100vw, 917px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a55fa5f elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-spacer\" data-id=\"a55fa5f\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-972ae22 e-flex e-con-boxed e-con e-parent\" data-id=\"972ae22\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9553426 elementor-widget elementor-widget-spacer\" data-id=\"9553426\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd6ff17 elementor-widget elementor-widget-heading\" data-id=\"bd6ff17\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9flexion sur la transition<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89ed23c elementor-widget elementor-widget-text-editor\" data-id=\"89ed23c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>principe g\u00e9n\u00e9ral<\/strong>Coexistence de la priorit\u00e9 PTP et du NTP : dans l'optique d'une modification minimale du r\u00e9seau existant, le T830 fournit simultan\u00e9ment le PTP et le NTP, et peut \u00eatre commut\u00e9 en douceur \u00e0 n'importe quel stade.<br \/><strong>R\u00e8gles de s\u00e9lection<\/strong>(une phrase \u00e0 retenir) : ceux qui prennent en charge L2 vont vers L2 ; ceux qui ne prennent pas en charge L2 mais qui prennent en charge PTP vont vers UDPv4 ; ceux qui ne prennent en charge que NTP continuent \u00e0 aller vers NTP.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-810c84c e-flex e-con-boxed e-con e-parent\" data-id=\"810c84c\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-abf2987 e-n-tabs-mobile elementor-widget elementor-widget-n-tabs\" data-id=\"abf2987\" data-element_type=\"widget\" data-widget_type=\"nested-tabs.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-tabs\" data-widget-number=\"180300167\" aria-label=\"Onglets. Ouvrez des \u00e9l\u00e9ments avec Entrer ou Espace, fermez-les avec Echape et naviguez \u00e0 l&#039;aide des touches fl\u00e9ch\u00e9es.\" data-no-translation-aria-label=\"\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-1803001671\" class=\"e-n-tab-title\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-1803001671\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tOption 1\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-1803001672\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-1803001672\" style=\"--n-tabs-title-order: 2;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tOption 2\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" id=\"e-n-tab-content-1803001671\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1803001671\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-0141a6e e-con-full e-flex e-con e-child\" data-id=\"0141a6e\" data-element_type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-d72696a e-flex e-con-boxed e-con e-child\" data-id=\"d72696a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-b3e5937 e-con-full e-flex e-con e-child\" data-id=\"b3e5937\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-87145bc elementor-widget elementor-widget-heading\" data-id=\"87145bc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Option 1 (coexistence de protocoles mixtes) :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9a10ff elementor-widget elementor-widget-text-editor\" data-id=\"c9a10ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>T830 Sortie parall\u00e8le de PTP et NTP : les clients qui supportent L2 vont directement \u00e0 L2 pour une gigue plus faible ; les clients qui supportent PTP mais pas L2 vont \u00e0 UDPv4 (G.8275.2) pour traverser la couche 3 et les domaines de politique ; les dispositifs de stock qui supportent seulement NTP continuent \u00e0 utiliser NTP. Le c\u00f4t\u00e9 r\u00e9seau est l\u00e9g\u00e8rement isol\u00e9 par le num\u00e9ro de domaine\/priorit\u00e9 + VLAN avec des liaisons montantes \u00e0 faible perturbation et un \"resserrement de l'alignement\" \u00e0 l'\u00e9chelle du r\u00e9seau. \"Aligner d'abord et resserrer ensuite.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd94c25 elementor-widget elementor-widget-button\" data-id=\"cd94c25\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"tel:010-60760678\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cliquez pour contacter<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18341ed elementor-widget elementor-widget-button\" data-id=\"18341ed\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/wp-content\/uploads\/2025\/12\/\u65f6\u949f\u670d\u52a1\u5668\u91d1\u878d\u884c\u4e1a\u89e3\u51b3\u65b9\u6848.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Programme d'acc\u00e8s<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-04a7b69 e-con-full e-flex e-con e-child\" data-id=\"04a7b69\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3c8cad elementor-widget elementor-widget-image\" data-id=\"a3c8cad\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"960\" height=\"666\" src=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u65b9\u68481.png\" class=\"attachment-large size-large wp-image-13719\" alt=\"\" srcset=\"\" sizes=\"(max-width: 960px) 100vw, 960px\" data-srcset=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" id=\"e-n-tab-content-1803001672\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1803001672\" data-tab-index=\"2\" style=\"--n-tabs-title-order: 2;\" class=\"elementor-element elementor-element-de9c4ce e-con-full e-flex e-con e-child\" data-id=\"de9c4ce\" data-element_type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-c767924 e-flex e-con-boxed e-con e-child\" data-id=\"c767924\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-d1fec8c e-con-full e-flex e-con e-child\" data-id=\"d1fec8c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38b2645 elementor-widget elementor-widget-image\" data-id=\"38b2645\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"642\" height=\"1024\" src=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_20251105094018_27_107-642x1024.png\" class=\"attachment-large size-large wp-image-14259\" alt=\"\" srcset=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_20251105094018_27_107-642x1024.png 642w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_20251105094018_27_107-188x300.png 188w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_20251105094018_27_107-768x1226.png 768w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_20251105094018_27_107-962x1536.png 962w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_20251105094018_27_107-8x12.png 8w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_20251105094018_27_107-600x958.png 600w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_20251105094018_27_107.png 1210w\" sizes=\"(max-width: 642px) 100vw, 642px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-78471d2 e-con-full e-flex e-con e-child\" data-id=\"78471d2\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b344cb elementor-widget elementor-widget-heading\" data-id=\"1b344cb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Option 2 (Intra-Domain L2 High Accuracy + Inter-Domain UDPv4 Flexible Interconnect) :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf6433b elementor-widget elementor-widget-text-editor\" data-id=\"bf6433b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>L2 (G.8275.1 + SyncE) est adopt\u00e9 pour le segment central de l'agr\u00e9gation\/citations, T-BC est activ\u00e9 pour le segment central\/l'agr\u00e9gation, T-TC est activ\u00e9 pour l'acc\u00e8s, et la priorit\u00e9 est donn\u00e9e \u00e0 l'\u00e9tape unique (si l'\u00e9tape unique n'est pas prise en charge, on utilise alors l'\u00e9tape double) ; les segments inter-salles de serveurs\/trois niveaux ou h\u00e9t\u00e9rog\u00e8nes sont unifi\u00e9s avec l'articulation UDPv4 (G.8275.2) pour former un objectif de stabilit\u00e9 \"sub-microseconde\/cent nanoseconde intra-domaine, faible microseconde inter-domaine\" ; les deux programmes peuvent \u00eatre promus en parall\u00e8le : d'abord, l'ensemble du r\u00e9seau \"tourne\", et \"faible microseconde\" entre les domaines. L'objectif de stabilit\u00e9 \"sub-microseconde\/centaine de nanosecondes \u00e0 l'int\u00e9rieur du domaine et faible microseconde entre les domaines\" ; les deux programmes peuvent \u00eatre promus en parall\u00e8le : d'abord, laisser l'ensemble du r\u00e9seau \"fonctionner et avoir raison\", puis \"tirer le chemin critique au maximum et \u00eatre plus pr\u00e9cis\". \".<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01f874a elementor-widget elementor-widget-button\" data-id=\"01f874a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"tel:010-60760678\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cliquez pour contacter<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74a6c68 elementor-widget elementor-widget-button\" data-id=\"74a6c68\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/wp-content\/uploads\/2025\/12\/\u65f6\u949f\u670d\u52a1\u5668\u91d1\u878d\u884c\u4e1a\u89e3\u51b3\u65b9\u6848.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Programme d'acc\u00e8s<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-1d9aa54 e-flex e-con-boxed e-con e-parent\" data-id=\"1d9aa54\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5285222 elementor-widget elementor-widget-spacer\" data-id=\"5285222\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f09f22 elementor-widget elementor-widget-heading\" data-id=\"5f09f22\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Strat\u00e9gie d'architecture (L2 vs UDPv4, One-Step vs Two-Step)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-601ee4c e-flex e-con-boxed e-con e-parent\" data-id=\"601ee4c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-4cb340d e-con-full e-flex e-con e-child\" data-id=\"4cb340d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f837ff elementor-widget elementor-widget-text-editor\" data-id=\"4f837ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Compromis entre L2 et UDPv4 : les campus\/co-locations contr\u00f4l\u00e9s donnent la priorit\u00e9 \u00e0 L2 (G.8275.1 + SyncE) pour une gigue et une sym\u00e9trie optimales ; les couches 3\/interdomaines utilisent UDPv4 (G.8275.2) pour la travers\u00e9e des itin\u00e9raires et des domaines de s\u00e9curit\u00e9.<\/p><p>Le compromis entre One-Step et Two-Step : One-Step est utilis\u00e9 pour supporter One-Step ; Two-Step est utilis\u00e9 si One-Step n'est pas support\u00e9 ; One-Step compl\u00e8te l'alignement dans une seule trame et a une gigue plus faible, mais a des exigences mat\u00e9rielles ; Two-Step est coupl\u00e9 avec deux trames et a une meilleure compatibilit\u00e9. \u00c0 l'heure actuelle, les entreprises sont principalement configur\u00e9es avec Two-Step.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95104a0 elementor-widget elementor-widget-text-editor\" data-id=\"95104a0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Extension du campus\/des salles informatiques multiples (plusieurs \u00d7 T830) : plusieurs T830 dans chaque salle informatique en s\u00e9lectionnent un comme T-GM de domaine, les segments centraux intra-domaine utilisent L2 (G.8275.1 + SyncE), inter-domaines utilisent UDPv4 (prend en charge la configuration prioritaire L2) ; le nombre de domaines\/la planification prioritaire de la reprise apr\u00e8s sinistre multi-sources est conforme \u00e0 l'\u00e9tat stable, et l'\u00e9cart du syst\u00e8me global peut atteindre l'objectif de \"nanosecondes de transaction + microsecondes d'enregistrement + millisecondes de bureau\". Objectif \"nanoseconde de transaction + microseconde de journalisation + milliseconde de bureau\". Les objectifs sont atteints gr\u00e2ce \u00e0 une hi\u00e9rarchisation en fonction de l'importance de l'activit\u00e9.<\/p><p>Dans le cadre de l'agr\u00e9gation \u00e0 haute fr\u00e9quence et de l'\u00e9change de strat\u00e9gies \u00e0 faible latence, l'horodatage unifi\u00e9 UTC r\u00e9duit consid\u00e9rablement les litiges sur la question de savoir \"qui \u00e9tait le premier et qui \u00e9tait le dernier\" ; dans le cadre de la diffusion et de la rediffusion du march\u00e9, la chronologie intersyst\u00e8me est strictement align\u00e9e, ce qui permet de reproduire et d'expliquer les rediffusions anormales ; dans le cadre des sc\u00e9narios d'ordonnancement et de contr\u00f4le des risques, l'horodatage coh\u00e9rent r\u00e9duit le co\u00fbt des erreurs d'appr\u00e9ciation et des retours en arri\u00e8re ; dans le cadre de la compensation et de l'audit, la cha\u00eene de tra\u00e7abilit\u00e9 \"GNSS\/PRTC\u2192TGM\u2192r\u00e9seau (BC\/TC)\u2192h\u00f4te (T-TSC)\" permet \u00e0 chaque horodatage d'avoir sa provenance et de faire l'objet d'une sauvegarde. La cha\u00eene de tra\u00e7abilit\u00e9 \"GNSS\/PRTC\u2192T-GM\u2192R\u00e9seau (BC\/TC)\u2192H\u00f4te (T-TSC)\" permet \u00e0 chaque horodatage d'avoir une provenance et un aval.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-ffbba48 e-con-full e-flex e-con e-child\" data-id=\"ffbba48\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fa8b85b elementor-widget elementor-widget-image\" data-id=\"fa8b85b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"837\" src=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u4e94-1024x837.png\" class=\"attachment-large size-large wp-image-13724\" alt=\"\" srcset=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u4e94-1024x837.png 1024w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u4e94-300x245.png 300w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u4e94-768x628.png 768w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u4e94-15x12.png 15w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u4e94-600x490.png 600w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u4e94.png 1100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a53f6a9 elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-spacer\" data-id=\"a53f6a9\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-36a935c e-flex e-con-boxed e-con e-parent\" data-id=\"36a935c\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48cb420 elementor-widget elementor-widget-spacer\" data-id=\"48cb420\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c8d100 elementor-widget elementor-widget-heading\" data-id=\"7c8d100\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pourquoi le serveur d'horloge T830 ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-528695a e-flex e-con-boxed e-con e-parent\" data-id=\"528695a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b25cbd elementor-widget elementor-widget-text-editor\" data-id=\"7b25cbd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Tout d'abord, du c\u00f4t\u00e9 de la source de temps, le serveur d'horloge T830 peut \u00eatre mis \u00e0 niveau de PRTC-A \u00e0 PRTC-B sur demande, et r\u00e9server de l'espace pour l'\u00e9volution ePRTC afin d'\u00e9tendre la conservation du temps dans les sc\u00e9narios perturb\u00e9s par le GNSS ; du c\u00f4t\u00e9 du r\u00e9seau, le serveur d'horloge T830 prend en charge L2 et UDPv4 deux types d'images PTP en m\u00eame temps, ce qui convient naturellement au sc\u00e9nario hybride \"L2 pour ceux qui prennent en charge L2, UDPv4 pour ceux qui ne le prennent pas en charge ; NTP pour ceux qui ne prennent pas en charge PTP\" que vous avez propos\u00e9, et avec T-BC\/T-TC, SyncE, One-Step\/Two-Step. Le serveur d'horloge T830 prend en charge les images PTP L2 et UDPv4, ce qui convient naturellement au sc\u00e9nario mixte \"L2 pour ceux qui supportent L2 et UDPv4 pour ceux qui ne le supportent pas ; NTP pour ceux qui ne supportent pas PTP\" que vous avez propos\u00e9, et coop\u00e8re naturellement avec T-BC\/T-TC, SyncE et One-Step\/Two-Step ; du c\u00f4t\u00e9 du terminal, en plus du parall\u00e9lisme PTP\/NTP, le serveur d'horloge T830 fournit des r\u00e9f\u00e9rences physiques telles que 1PPS\/ToD\/10 MHz, ce qui est pratique pour l'\u00e9talonnage et l'\u00e9chantillonnage en laboratoire. Outre le parall\u00e9lisme PTP\/NTP, le serveur d'horloge T830 fournit \u00e9galement des r\u00e9f\u00e9rences physiques telles que 1PPS\/ToD\/10 MHz du c\u00f4t\u00e9 du terminal, ce qui est pratique pour l'\u00e9talonnage et l'\u00e9chantillonnage en laboratoire, et pr\u00e9pare des \"justificatifs\" pour les preuves de conformit\u00e9. De plus, la m\u00e9thode de livraison progressive du serveur d'horloge T830 \"un pour commencer, deux pour la haute disponibilit\u00e9 et plusieurs pour l'\u00e9chelle\" vous permet d'obtenir des avantages visibles dans les domaines critiques avec des co\u00fbts de transformation de l'inventaire minimes, puis de mettre \u00e0 niveau le chemin principal vers des indicateurs de niveau inf\u00e9rieur \u00e0 la microseconde\/centre de nanoseconde sans reconfigurer l'ensemble du r\u00e9seau en une seule fois.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-c395063 e-flex e-con-boxed e-con e-parent\" data-id=\"c395063\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a2aad5e elementor-widget elementor-widget-spacer\" data-id=\"a2aad5e\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90787be elementor-widget elementor-widget-heading\" data-id=\"90787be\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Alignement de la valeur financi\u00e8re de l'entreprise<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-081f685 e-flex e-con-boxed e-con e-parent\" data-id=\"081f685\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-f312135 e-con-full e-flex e-con e-child\" data-id=\"f312135\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e65e6e3 elementor-widget elementor-widget-text-editor\" data-id=\"e65e6e3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Strat\u00e9gie d'agr\u00e9gation \u00e0 haute fr\u00e9quence\/faible latence : les horodatages UTC unifi\u00e9s r\u00e9duisent consid\u00e9rablement les conflits \"qui est le premier, qui est le dernier\", et le segment central L2\/One-Step + BC\/TC r\u00e9duit la gigue \u00e0 des niveaux inf\u00e9rieurs \u00e0 la microseconde.<\/p><p>Validation\/reprise des citations : les calendriers intersyst\u00e8mes sont strictement align\u00e9s et les reprises anormales sont reproductibles et interpr\u00e9tables.<\/p><p>Contr\u00f4le des commandes et des risques : un calendrier coh\u00e9rent r\u00e9duit le co\u00fbt des faux positifs et des retours en arri\u00e8re.<\/p><p>R\u00e8glement et audit : La cha\u00eene \"GNSS\/PRTC\u2192T-GM\u2192R\u00e9seau (BC\/TC)\u2192H\u00f4te (T-TSC)\" constitue une cha\u00eene de tra\u00e7abilit\u00e9 UTC compl\u00e8te, de sorte que chaque horodatage \"a une provenance, peut \u00eatre endoss\u00e9 et peut \u00eatre r\u00e9examin\u00e9\".<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-0167a3c e-con-full e-flex e-con e-child\" data-id=\"0167a3c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3ef48e7 elementor-widget elementor-widget-image\" data-id=\"3ef48e7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"332\" src=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724712-1024x332.png\" class=\"attachment-large size-large wp-image-14817\" alt=\"\" srcset=\"https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724712-1024x332.png 1024w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724712-300x97.png 300w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724712-768x249.png 768w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724712-1536x498.png 1536w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724712-18x6.png 18w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724712-600x195.png 600w, https:\/\/www.bdpnt.com\/wp-content\/uploads\/2025\/10\/\u56fe\u724712.png 1801w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-1f7aa6e e-flex e-con-boxed e-con e-parent\" data-id=\"1f7aa6e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9deb6a elementor-widget elementor-widget-spacer\" data-id=\"d9deb6a\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b08674e elementor-widget elementor-widget-heading\" data-id=\"b08674e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9ponses rapides aux questions fr\u00e9quemment pos\u00e9es<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-aa0484a e-flex e-con-boxed e-con e-parent\" data-id=\"aa0484a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e0ad561 elementor-widget elementor-widget-n-accordion\" data-id=\"e0ad561\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Ouvrez des liens avec Enter ou Space, fermez-les avec Escape et naviguez avec les touches fl\u00e9ch\u00e9es.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2350\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2350\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> L'horloge principale est \u00e0 deux \u00e9tages en amont, pourquoi le segment central est-il toujours \u00e0 un \u00e9tage ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" role=\"region\" aria-labelledby=\"e-n-accordion-item-2350\" class=\"elementor-element elementor-element-19884b7 e-con-full e-flex e-con e-child\" data-id=\"19884b7\" data-element_type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" role=\"region\" aria-labelledby=\"e-n-accordion-item-2350\" class=\"elementor-element elementor-element-ac28a07 e-flex e-con-boxed e-con e-child\" data-id=\"ac28a07\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-05dba0e elementor-widget elementor-widget-text-editor\" data-id=\"05dba0e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La personne qui envoie la synchronisation d\u00e9finit le type ; la retransmission d'une \u00e9tape \u00e0 la T-BC entrant dans la section centrale est suffisante ; la T-TC ne modifie pas le type d'\u00e9tape.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2351\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2351\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Pourquoi pas une L2 compl\u00e8te ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" role=\"region\" aria-labelledby=\"e-n-accordion-item-2351\" class=\"elementor-element elementor-element-98bcfec e-con-full e-flex e-con e-child\" data-id=\"98bcfec\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-739f217 elementor-widget elementor-widget-text-editor\" data-id=\"739f217\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La travers\u00e9e, le co\u00fbt et la maintenabilit\u00e9 \u00e0 travers la couche 3 et les domaines de s\u00e9curit\u00e9 dictent que l'inter-domaine est mieux adapt\u00e9 \u00e0 l'UDPv4 ; \"extr\u00eame dans le domaine, livrable dans l'inter-domaine\" est la solution d'ing\u00e9nierie optimale.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2352\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2352\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Qu'en est-il des appareils qui ne prennent pas en charge le protocole PTP ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" role=\"region\" aria-labelledby=\"e-n-accordion-item-2352\" class=\"elementor-element elementor-element-635679c e-con-full e-flex e-con e-child\" data-id=\"635679c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b1353f elementor-widget elementor-widget-text-editor\" data-id=\"9b1353f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>T830 sortie parall\u00e8le NTP, compatible avec le stock ; les appareils compatibles PTP passent en L2 ou UDPv4 selon la capacit\u00e9 \u00e0 synchroniser les trois types de terminaux en une seule \u00e9tape.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e83484b elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-spacer\" data-id=\"e83484b\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Dans un r\u00e9seau de production financi\u00e8re, le temps n'est pas \"aussi proche que possible\", mais \"doit \u00eatre coh\u00e9rent et tra\u00e7able\". Lorsqu'on s'appuie uniquement sur NTP, la gigue des files d'attente, l'asym\u00e9trie des chemins \u00e0 travers les trois couches et la congestion amplifient les \u00e9carts et les risques de queue \u00e0 l'\u00e9chelle de la milliseconde et de la microseconde ; PTP transforme les erreurs \"source-r\u00e9seau\" de fluctuations incontr\u00f4lables en fluctuations budg\u00e9tisables et attribuables, gr\u00e2ce \u00e0 des horodatages mat\u00e9riels sur la puce NIC\/commutateur, des horloges de fronti\u00e8re\/transparentes et (\u00e9ventuellement) SyncE. Le protocole PTP transforme les erreurs \"source-r\u00e9seau\" de fluctuations incontr\u00f4lables en quantit\u00e9s de travail budg\u00e9tisables, attribuables et v\u00e9rifiables, gr\u00e2ce \u00e0 des horodatages mat\u00e9riels sur les puces des cartes d'interface r\u00e9seau\/commutateurs et (en option) \u00e0 SyncE.<\/p>","protected":false},"author":1,"featured_media":13711,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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