{"id":2177,"date":"2026-09-09T08:00:00","date_gmt":"2026-09-09T07:00:00","guid":{"rendered":"https:\/\/ic-services.io\/?p=2177"},"modified":"2026-10-21T14:11:48","modified_gmt":"2026-10-21T13:11:48","slug":"%e5%a4%96%e9%83%a8%e5%a7%94%e8%a8%97%e3%81%95%e3%82%8c%e3%81%9f%e3%82%b3%e3%82%a2%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%81%aeli","status":"publish","type":"post","link":"https:\/\/ic-services.io\/ja\/resources\/blog\/outsourced-core-network-li\/","title":{"rendered":"\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5916\u90e8\u59d4\u8a17\u307e\u305f\u306f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3057\u3066\u3044\u308b\u5834\u5408\u306eLI\u3078\u306e\u5bfe\u5fdc\u65b9\u6cd5"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30d5\u30e9\u306e\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u306f\u3001\u8a2d\u5099\u6295\u8cc7\u3092\u524a\u6e1b\u3057\u3001\u5e02\u5834\u6295\u5165\u307e\u3067\u306e\u6642\u9593\u3092\u77ed\u7e2e\u3057\u3088\u3046\u3068\u3059\u308bMVNO\u3084\u4e2d\u5c0f\u898f\u6a21\u306e\u901a\u4fe1\u4e8b\u696d\u8005\u306b\u3068\u3063\u3066\u3001\u307e\u3059\u307e\u3059\u4e00\u822c\u7684\u306a\u6226\u7565\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u30af\u30e9\u30a6\u30c9\u30db\u30b9\u30c8\u578b\u306e\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001Network-as-a-Service\uff08NaaS\uff09\u30b5\u30fc\u30d3\u30b9\u3001\u304a\u3088\u3073\u30de\u30cd\u30fc\u30b8\u30c9\u30fb\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306f\u3001\u72ec\u81ea\u306e\u30b3\u30a2\u30a4\u30f3\u30d5\u30e9\u3092\u69cb\u7bc9\u30fb\u904b\u7528\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u591a\u984d\u306e\u6295\u8cc7\u3092\u884c\u3046\u3053\u3068\u306a\u304f\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u7acb\u3061\u4e0a\u3052\u3084\u30b9\u30b1\u30fc\u30eb\u30a2\u30c3\u30d7\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30e2\u30c7\u30eb\u306f\u3001\u9069\u6cd5\u306a\u901a\u4fe1\u508d\u53d7\u306b\u95a2\u3057\u3066\u7279\u5b9a\u306e\u8ab2\u984c\u3092\u751f\u307f\u51fa\u3057\u3066\u304a\u308a\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306f\u30b5\u30fc\u30d3\u30b9\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u3053\u308c\u3089\u306b\u5bfe\u51e6\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002 <a href=\"https:\/\/ic-services.io\/ja\/%e3%82%b5%e3%83%bc%e3%83%93%e3%82%b9\/%e3%82%b3%e3%83%b3%e3%82%b5%e3%83%ab%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e8%a6%8f%e5%88%b6%e6%94%af%e6%8f%b4\/\">\u898f\u5236\u9075\u5b88<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When the core network is outsourced, the technical capability to intercept communications resides with the infrastructure provider, while the operator keeps legal duties of its own. This article examines the challenges this creates, the models for addressing them, and the practical steps operators should take to ensure compliance when their core network is hosted or managed by a third party.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5916\u90e8\u59d4\u8a17\u3057\u305fLI<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The fundamental challenge of outsourced core networks for LI is the separation of the legal obligation from the technical capability. The operator \u2014 as the registered provider of public electronic communications services \u2014 keeps legal LI duties. But the interception points, the network functions that process subscriber communications, and the infrastructure needed to capture and deliver intercepted data are operated by a third party.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5206\u96e2\u306f\u3001\u5f93\u6765\u306eMVNO\u3068MNO\u306e\u95a2\u4fc2\u3088\u308a\u3082\u3055\u3089\u306b\u9855\u8457\u3067\u3042\u308b\u3002\u5f93\u6765\u306e\u95a2\u4fc2\u3067\u306f\u3001MNO\u306f\u5c11\u306a\u304f\u3068\u3082\u3001\u81ea\u3089\u304c\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u904b\u55b6\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u306b\u56fa\u6709\u306e\u898f\u5236\u4e0a\u306e\u7fa9\u52d9\u3092\u8ca0\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u8a8d\u8b58\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3042\u308b\u3002 \u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001IT\u30a4\u30f3\u30d5\u30e9\u3084\u30af\u30e9\u30a6\u30c9\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5206\u91ce\u3092\u80cc\u666f\u3068\u3057\u3066\u304a\u308a\u3001\u5408\u6cd5\u7684\u508d\u53d7\u3092\u542b\u3080\u96fb\u6c17\u901a\u4fe1\u898f\u5236\u8981\u4ef6\u306b\u3064\u3044\u3066\u6df1\u3044\u7406\u89e3\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u4e8b\u696d\u8005\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u30a4\u30f3\u30d5\u30e9\u306e\u8a2d\u8a08\u3084\u904b\u7528\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u5408\u6cd5\u7684\u508d\u53d7\uff08LI\uff09\u3092\u8003\u616e\u3057\u3066\u3044\u308b\u3068\u306f\u60f3\u5b9a\u3067\u304d\u306a\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Outsourcing infrastructure rarely removes your own obligations. Depending on national law and on who actually operates the core, the hosting provider may become obliged as well (in Germany the duty follows whoever operates the installation, \u00a7 170 TKG), but you remain responsible for your own <a href=\"https:\/\/ic-services.io\/ja\/%e3%82%b5%e3%83%bc%e3%83%93%e3%82%b9\/%e3%83%9e%e3%83%8d%e3%83%bc%e3%82%b8%e3%83%89%e3%83%bb%e3%83%aa%e3%83%bb%e3%82%aa%e3%83%9a%e3%83%ac%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%82%ba\/\">LI\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9<\/a> duties and for choosing a provider that can implement orders. Regulators will not accept dependency on a third party as an excuse for non-compliance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30e2\u30c7\u30eb\u3068LI\u3078\u306e\u5f71\u97ff<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LI\u3078\u306e\u5f71\u97ff\u306f\u3001\u5177\u4f53\u7684\u306a\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30fb\u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u5c02\u7528\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30fb\u30e2\u30c7\u30eb\u3067\u306f\u3001\u4e8b\u696d\u8005\u306f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30fb\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30a4\u30f3\u30d5\u30e9\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u3001\u30b3\u30a2\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u306e\u72ec\u81ea\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4fdd\u6709\u3057\u3066\u3044\u307e\u3059\u3002 \u4e8b\u696d\u8005\u306f\u3001LI\u95a2\u9023\u306e\u8a2d\u5b9a\u3092\u542b\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3092\u69cb\u6210\u3059\u308b\u305f\u3081\u306e\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3084\u30a2\u30af\u30bb\u30b9\u306b\u95a2\u3057\u3066\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u5354\u529b\u304c\u5f97\u3089\u308c\u308c\u3070\u3001\u4e8b\u696d\u8005\u306f\u72ec\u81ea\u306eLI\u30e1\u30c7\u30a3\u30a8\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u5c0e\u5165\u3057\u3001\u305d\u308c\u3092\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3068\u9023\u643a\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5171\u6709\u30e2\u30c7\u30eb\u307e\u305f\u306f\u30de\u30eb\u30c1\u30c6\u30ca\u30f3\u30c8\u30e2\u30c7\u30eb\u3067\u306f\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u4ed6\u306e\u30c6\u30ca\u30f3\u30c8\u3068\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5171\u6709\u3057\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u30b3\u30b9\u30c8\u52b9\u7387\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001LI\u306b\u3068\u3063\u3066\u306f\u8907\u96d1\u3055\u304c\u5897\u3057\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001\u4ed6\u306e\u30c6\u30ca\u30f3\u30c8\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u305a\u306b\u3001\u7279\u5b9a\u306e\u901a\u4fe1\u4e8b\u696d\u8005\u306e\u52a0\u5165\u8005\u306b\u306e\u307f\u508d\u53d7\u3092\u9650\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001\u30c6\u30ca\u30f3\u30c8\u3092\u8a8d\u8b58\u3059\u308b <a href=\"https:\/\/ic-services.io\/ja\/%e3%82%bd%e3%83%aa%e3%83%a5%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3\/%e5%90%88%e6%b3%95%e7%9a%84%e3%81%aa%e5%82%8d%e5%8f%97\/\">\u508d\u53d7\u80fd\u529b<\/a> that can segregate traffic by operator, and label every delivery with the identifier of the operator that is legally performing the intercept, so that one tenant&#8217;s intercepts are never attributed to another.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30eb\u30de\u30cd\u30fc\u30b8\u30c9\u30e2\u30c7\u30eb\u3067\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u901a\u4fe1\u4e8b\u696d\u8005\u306b\u4ee3\u308f\u3063\u3066\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u904b\u7528\u3057\u3001\u3059\u3079\u3066\u306e\u8a2d\u5b9a\u3001\u4fdd\u5b88\u3001\u304a\u3088\u3073\u904b\u7528\u696d\u52d9\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002\u901a\u4fe1\u4e8b\u696d\u8005\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3078\u306e\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u304c\u5236\u9650\u3055\u308c\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u5168\u304f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u30e2\u30c7\u30eb\u3067\u306f\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306fLI\u6a5f\u80fd\u306e\u5c0e\u5165\u304a\u3088\u3073\u5b9f\u884c\u3092\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u5168\u9762\u7684\u306b\u4f9d\u5b58\u305b\u3056\u308b\u3092\u5f97\u305a\u3001\u305d\u306e\u305f\u3081\u306b\u306f\u5305\u62ec\u7684\u306a\u5951\u7d04\u4e0a\u306e\u53d6\u308a\u6c7a\u3081\u3068\u3001\u691c\u8a3c\u6e08\u307f\u306e\u6280\u8853\u7684\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5951\u7d04\u4e0a\u306e\u8981\u4ef6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u30e2\u30c7\u30eb\u306b\u304a\u3044\u3066\u3001LI\u306e\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u624b\u6bb5\u306f\u3001\u4e8b\u696d\u8005\u3068\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3068\u306e\u9593\u306e\u5951\u7d04\u3067\u3042\u308b\u3002\u5951\u7d04\u66f8\u306b\u306f\u3001\u5408\u6cd5\u7684\u508d\u53d7\u306b\u3064\u3044\u3066\u660e\u793a\u7684\u306b\u898f\u5b9a\u3057\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u30db\u30b9\u30c8\u3059\u308b\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u5185\u3067LI\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u7fa9\u52d9\u3001\u5b9f\u88c5\u304a\u3088\u3073\u30b5\u30dd\u30fc\u30c8\u304c\u5fc5\u9808\u3068\u306a\u308b\u5177\u4f53\u7684\u306aLI\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001 \u508d\u53d7\u306e\u6709\u52b9\u5316\u304a\u3088\u3073\u7121\u52b9\u5316\u306b\u304b\u304b\u308b\u5fdc\u7b54\u6642\u9593\u3001\u508d\u53d7\u30c7\u30fc\u30bf\u306e\u53d6\u308a\u6271\u3044\u306b\u95a2\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304a\u3088\u3073\u6a5f\u5bc6\u4fdd\u6301\u8981\u4ef6\u3001\u4e8b\u696d\u8005\u306e\u76e3\u67fb\u304a\u3088\u3073\u30c6\u30b9\u30c8\u6a29\u9650\u3001\u898f\u5236\u306e\u66f4\u65b0\u3084\u65b0\u305f\u306aLI\u8981\u4ef6\u3092\u5b9f\u65bd\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30bb\u30b9\u3001\u306a\u3089\u3073\u306bLI\u306e\u4e0d\u5177\u5408\u304c\u751f\u3058\u305f\u5834\u5408\u306e\u8cac\u4efb\u306e\u5e30\u5c5e\u306b\u3064\u3044\u3066\u660e\u8a18\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Operators should not accept generic language or vague commitments regarding LI support. The contract should specify the concrete technical and operational deliverables that the hosting provider must supply, and should include measurable service levels with meaningful penalties for non-performance. LI compliance is a legal obligation backed by substantial fines (in Germany up to EUR 500,000 for not holding the required interception facilities, \u00a7 228 TKG), and the contractual arrangements must reflect this seriousness.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6280\u8853\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u9078\u629e\u80a2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Several technical architecture options can address LI in an outsourced core network environment. The first option is the operator-managed model, where the operator deploys its own <a href=\"https:\/\/ic-services.io\/ja\/%e8%a3%bd%e5%93%81\/%e3%82%bd%e3%83%95%e3%83%88%e3%82%a6%e3%82%a7%e3%82%a2%e3%83%bb%e3%82%bd%e3%83%aa%e3%83%a5%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3\/%e5%90%88%e6%b3%95%e7%9a%84%e5%82%8d%e5%8f%97%e7%ae%a1%e7%90%86%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0\/\">LI management system (LIMS)<\/a> \u305d\u3057\u3066 <a href=\"https:\/\/ic-services.io\/ja\/%e8%a3%bd%e5%93%81\/%e3%82%bd%e3%83%95%e3%83%88%e3%82%a6%e3%82%a7%e3%82%a2%e3%83%bb%e3%82%bd%e3%83%aa%e3%83%a5%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3\/li%e3%83%a1%e3%83%87%e3%82%a3%e3%82%a8%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%83%bb%e3%83%97%e3%83%a9%e3%83%83%e3%83%88%e3%83%95%e3%82%a9%e3%83%bc%e3%83%a0\/\">LI\u4ef2\u4ecb\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/a>: the LIMS provisions the hosted network functions over X1, and the mediation platform receives their X2\/X3 output (ETSI TS 103 221 and 3GPP TS 33.127, used for 4G, IMS and 5G) or a vendor-specific equivalent. This requires the hosted network functions to expose LI interfaces that the operator&#8217;s mediation platform can consume. The operator retains control over <a href=\"https:\/\/ic-services.io\/ja\/%e8%a3%bd%e5%93%81\/%e3%82%bd%e3%83%95%e3%83%88%e3%82%a6%e3%82%a7%e3%82%a2%e3%83%bb%e3%82%bd%e3%83%aa%e3%83%a5%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3\/%e5%90%88%e6%b3%95%e7%9a%84%e5%82%8d%e5%8f%97%e7%ae%a1%e7%90%86%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0\/\">\u4ee4\u72b6\u7ba1\u7406<\/a>, \u3001\u30c7\u30fc\u30bf\u306e\u63d0\u4f9b\u3001\u304a\u3088\u3073\u6cd5\u57f7\u884c\u6a5f\u95a2\u3078\u306e\u5f15\u304d\u6e21\u3057\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3064\u76ee\u306e\u9078\u629e\u80a2\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u7ba1\u7406\u3059\u308bLI\u30e2\u30c7\u30eb\u3067\u3042\u308a\u3001\u3053\u306e\u30e2\u30c7\u30eb\u3067\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u3001\u30db\u30b9\u30c8\u578b\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30fc\u30d3\u30b9\u306e\u4e00\u74b0\u3068\u3057\u3066LI\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u5c55\u958b\u30fb\u904b\u7528\u3057\u307e\u3059\u3002 \u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001\u4e8b\u696d\u8005\u306b\u4ee3\u308f\u3063\u3066\u3001\u508d\u53d7\u306e\u6709\u52b9\u5316\u3001\u30c7\u30fc\u30bf\u306e\u53ce\u96c6\u3001\u304a\u3088\u3073\u6cd5\u57f7\u884c\u6a5f\u95a2\u3078\u306e\u5f15\u304d\u6e21\u3057\u3092\u51e6\u7406\u3057\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u4e8b\u696d\u8005\u306e\u6280\u8853\u7684\u8981\u4ef6\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\u304c\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u5bfe\u3059\u308b\u9ad8\u3044\u4fe1\u983c\u3068\u3001\u5305\u62ec\u7684\u306a\u5951\u7d04\u304a\u3088\u3073\u76e3\u67fb\u306e\u53d6\u308a\u6c7a\u3081\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The third option is a hybrid model, where certain LI functions are provided by the hosting provider (such as the points of interception within the network functions) and others are managed by the operator (such as the mediation function and handover interfaces). This model can provide a practical balance between operator control and hosting provider capability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u74b0\u5883\u306b\u304a\u3051\u308b\u508d\u53d7\u30c7\u30fc\u30bf\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u306f\u3001\u7279\u306b\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u508d\u53d7\u3055\u308c\u305f\u901a\u4fe1\u30c7\u30fc\u30bf\u306f\u3001\u3042\u3089\u3086\u308b\u901a\u4fe1\u4e8b\u696d\u306b\u304a\u3044\u3066\u6700\u3082\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u305d\u306e\u4fdd\u8b77\u306f\u6cd5\u7684\u8981\u4ef6\u3067\u3042\u308b\u3068\u540c\u6642\u306b\u3001\u5b9f\u52d9\u4e0a\u306e\u5fc5\u8981\u6027\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u30e2\u30c7\u30eb\u3067\u306f\u3001\u508d\u53d7\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30a4\u30f3\u30d5\u30e9\u3092\u7d4c\u7531\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u8b1b\u3058\u308b\u5fc5\u8981\u306e\u3042\u308b\u65b0\u305f\u306a\u30ea\u30b9\u30af\u8981\u56e0\u304c\u751f\u3058\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The operator should ensure that intercepted data is encrypted in transit, and that any buffer that holds it before delivery is encrypted and kept no longer than delivery requires (in Germany, storing the content of the interception copy is not permitted, \u00a7 10 TK\u00dcV). Access to LI systems and data should be strictly controlled and limited to authorised personnel, with comprehensive audit logging. The hosting provider&#8217;s personnel should be subject to appropriate vetting and confidentiality requirements. Physical security of the data centre hosting the LI infrastructure should meet the standards required by the national regulatory framework.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The operator should also consider the jurisdictional implications of hosting intercepted data in a third-party data centre. If the data centre is located in a different country from the operator&#8217;s home market, questions about data sovereignty, cross-border data transfers, and the applicability of foreign legal regimes may arise. Some countries settle this by law: in Germany the equipment that controls interception and the handover point must be operated in Germany (\u00a7 14(1) TK\u00dcV), and France requires LI systems to be installed on French territory (CPCE art. D. 98-7). Check the location rules of each market before choosing the hosting site. Operators should ensure that the location of the hosting infrastructure is compatible with their regulatory obligations and that appropriate data protection safeguards are in place.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c6\u30b9\u30c8\u3068\u691c\u8a3c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u306e\u6280\u8853\u30e2\u30c7\u30eb\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u3067\u3042\u3063\u3066\u3082\u3001\u4e8b\u696d\u8005\u306f\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u30c6\u30b9\u30c8\u3092\u901a\u3058\u3066LI\u6a5f\u80fd\u3092\u691c\u8a3c\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3053\u306e\u30c6\u30b9\u30c8\u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u5bfe\u8c61\u8b58\u5225\u624b\u6cd5\u3092\u7528\u3044\u305f\u97f3\u58f0\u3001SMS\u3001\u30c7\u30fc\u30bf\u306e\u508d\u53d7\u3092\u542b\u3081\u3001\u56fd\u306e\u67a0\u7d44\u307f\u3067\u8981\u6c42\u3055\u308c\u308b\u3059\u3079\u3066\u306e\u508d\u53d7\u30b7\u30ca\u30ea\u30aa\u3092\u7db2\u7f85\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002 \u3053\u306e\u30c6\u30b9\u30c8\u3067\u306f\u3001\u508d\u53d7\u304c\u6709\u52b9\u5316\u3055\u308c\u3001\u30c7\u30fc\u30bf\u304c\u914d\u4fe1\u3055\u308c\u308b\u3053\u3068\u3060\u3051\u3067\u306a\u304f\u3001\u5fdc\u7b54\u6642\u9593\u3001\u30c7\u30fc\u30bf\u54c1\u8cea\u3001\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u6240\u5b9a\u306e\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u691c\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a66\u9a13\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u56fd\u306e\u6280\u8853\u5f53\u5c40\u307e\u305f\u306fLEMF\u304c\u95a2\u4e0e\u3059\u3079\u304d\u3067\u3042\u308a\u3001\u751f\u7523\u74b0\u5883\u3092\u53cd\u6620\u3057\u305f\u6761\u4ef6\u4e0b\u3067\u5b9f\u65bd\u3055\u308c\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u4e8b\u696d\u8005\u306f\u3001\u8907\u6570\u56de\u306e\u8a66\u9a13\u3092\u7e70\u308a\u8fd4\u3059\u8a08\u753b\u3092\u7acb\u3066\u3001\u9069\u5408\u6027\u306e\u8a3c\u62e0\u3068\u3057\u3066\u8a66\u9a13\u8a18\u9332\u3092\u4fdd\u6301\u3059\u3079\u304d\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Outsourcing the core network rarely outsources your own lawful interception obligations. Operators using hosted or managed core network services must proactively address LI compliance through comprehensive contractual arrangements, validated technical solutions, and rigorous testing. The specific approach will depend on the hosting model, the operator&#8217;s technical capabilities, and the requirements of the national regulatory framework. By treating LI compliance as a first-class requirement in the core network hosting decision \u2014 not an afterthought \u2014 operators can achieve the cost and efficiency benefits of outsourcing while maintaining full compliance with their lawful interception obligations.<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u30d9\u30f3\u30c0\u30fc\u9078\u5b9a\u306b\u304a\u3051\u308b\u8003\u616e\u4e8b\u9805<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u9078\u5b9a\u3059\u308b\u969b\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u30b3\u30b9\u30c8\u306b\u52a0\u3048\u3001LI\u6a5f\u80fd\u3092\u91cd\u8981\u306a\u8a55\u4fa1\u57fa\u6e96\u3068\u3057\u3066\u542b\u3081\u308b\u3079\u304d\u3067\u3059\u3002\u5019\u88dc\u3068\u306a\u308b\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u5bfe\u3057\u3001\u65e2\u5b58\u306eLI\u6a5f\u80fd\u3084\u5b9f\u7e3e\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u73fe\u5728\u3001\u4ed6\u306e\u901a\u4fe1\u4e8b\u696d\u8005\u9867\u5ba2\u5411\u3051\u306bLI\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u304b\uff1f 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class=\"wp-block-paragraph\">\u307e\u305f\u3001\u4e8b\u696d\u8005\u306f\u3001\u56fd\u5185\u6280\u8853\u5f53\u5c40\u306b\u3088\u308bLI\u306e\u8a66\u9a13\u304a\u3088\u3073\u8a8d\u8a3c\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u4e8b\u696d\u8005\u306b\u5bfe\u3057\u3066\u652f\u63f4\u3092\u884c\u3046\u610f\u6b32\u3068\u80fd\u529b\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3082\u8a55\u4fa1\u3059\u3079\u304d\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u901a\u5e38\u3001\u4e8b\u696d\u8005\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306fLI\u4ef2\u4ecb\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30d9\u30f3\u30c0\u30fc\u3068\u306e\u7dca\u5bc6\u306a\u9023\u643a\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002 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class=\"wp-block-paragraph\">\u5916\u90e8\u59d4\u8a17\u3055\u308c\u305f\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u7528\u3044\u305f\u901a\u4fe1\u508d\u53d7\uff08LI\uff09\u306e\u7ba1\u7406\u306b\u306f\u3001\u660e\u78ba\u306a\u5951\u7d04\u4e0a\u306e\u67a0\u7d44\u307f\u3068\u5b9a\u671f\u7684\u306a\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u78ba\u8a8d\u304c\u5fc5\u8981\u3067\u3059\u3002\u5916\u90e8\u59d4\u8a17\u3055\u308c\u305f\u30b3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5951\u7d04\u306b\u306f\u3001\u901a\u4fe1\u508d\u53d7\u306b\u95a2\u3059\u308b\u660e\u78ba\u306a\u898f\u5b9a\u304c\u76db\u308a\u8fbc\u307e\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u95a2\u9023\u8a18\u4e8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u30c8\u30d4\u30c3\u30af\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u53c2\u7167\u3055\u308c\u305f\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/ic-services.io\/ja\/?p=2175\">MVNO\u3068MNO\uff1a\u5408\u6cd5\u7684\u508d\u53d7\u306e\u6cd5\u7684\u8cac\u4efb\u306f\u3069\u3061\u3089\u306b\u3042\u308b\u306e\u304b\uff1f<\/a><\/li>\n<li><a href=\"https:\/\/ic-services.io\/ja\/?p=2173\">MVNO LI\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a\u4e8b\u696d\u958b\u59cb\u524d\u306b\u5fc5\u8981\u306a\u3082\u306e\u3059\u3079\u3066<\/a><\/li>\n<li><a href=\"https:\/\/ic-services.io\/ja\/?p=2162\">\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u306eLI\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\uff1a\u5b9f\u969b\u306b\u8981\u6c42\u3059\u3079\u304dSLA\u3068\u306f\uff1f<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5916\u90e8\u30ea\u30bd\u30fc\u30b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u306f\u3001\u3055\u3089\u306a\u308b\u80cc\u666f\u3068\u516c\u5f0f\u6587\u66f8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.etsi.org\/technologies\/lawful-interception\" target=\"_blank\" rel=\"noopener noreferrer\">ETSI\u5408\u6cd5\u7684\u508d\u53d7\u898f\u683c<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The outsourcing of core network infrastructure has become an increasingly common strategy for MVNOs and smaller operators seeking to reduce [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":2544,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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-5)","background-image":"","background-repeat":"repeat","background-position":"center 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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-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":""},"mobile":{"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":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2177","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-use-cases"],"uagb_featured_image_src":{"full":["https:\/\/ic-services.io\/wp-content\/uploads\/2026\/09\/outsourced-core-network-li.jpg",1600,1067,false],"thumbnail":["https:\/\/ic-services.io\/wp-content\/uploads\/2026\/09\/outsourced-core-network-li-150x150.jpg",150,150,true],"medium":["https:\/\/ic-services.io\/wp-content\/uploads\/2026\/09\/outsourced-core-network-li-300x200.jpg",300,200,true],"medium_large":["https:\/\/ic-services.io\/wp-content\/uploads\/2026\/09\/outsourced-core-network-li-768x512.jpg",768,512,true],"large":["https:\/\/ic-services.io\/wp-content\/uploads\/2026\/09\/outsourced-core-network-li-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/ic-services.io\/wp-content\/uploads\/2026\/09\/outsourced-core-network-li-1536x1024.jpg",1536,1024,true],"2048x2048":["https:\/\/ic-services.io\/wp-content\/uploads\/2026\/09\/outsourced-core-network-li.jpg",1600,1067,false],"trp-custom-language-flag":["https:\/\/ic-services.io\/wp-content\/uploads\/2026\/09\/outsourced-core-network-li-18x12.jpg",18,12,true]},"uagb_author_info":{"display_name":"David Son","author_link":"https:\/\/ic-services.io\/ja\/author\/david\/"},"uagb_comment_info":0,"uagb_excerpt":"The outsourcing of core network infrastructure has become an increasingly common strategy for MVNOs and smaller operators seeking to reduce [&hellip;]","_links":{"self":[{"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/posts\/2177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/comments?post=2177"}],"version-history":[{"count":6,"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/posts\/2177\/revisions"}],"predecessor-version":[{"id":2697,"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/posts\/2177\/revisions\/2697"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/media\/2544"}],"wp:attachment":[{"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/media?parent=2177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/categories?post=2177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-services.io\/ja\/wp-json\/wp\/v2\/tags?post=2177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}