{"id":66996,"date":"2026-01-03T21:47:58","date_gmt":"2026-01-03T12:47:58","guid":{"rendered":"https:\/\/wordpress.realcollector.jp\/blog\/?p=66996"},"modified":"2026-01-03T21:47:58","modified_gmt":"2026-01-03T12:47:58","slug":"v6","status":"publish","type":"post","link":"https:\/\/wordpress.realcollector.jp\/blog\/?p=66996","title":{"rendered":"v6"},"content":{"rendered":"<p>IPv6\uff08Internet Protocol version 6\uff09\u3068\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u304a\u3051\u308b\u901a\u4fe1\u306e\u57fa\u672c\u3068\u306a\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\uff08IP\uff09\u306e\u7b2c6\u7248\u3067\u3042\u308a\u3001\u4e3b\u306bIPv4\u306e\u30a2\u30c9\u30ec\u30b9\u67af\u6e07\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u30021990\u5e74\u4ee3\u5f8c\u534a\u306bIETF\uff08Internet Engineering Task Force\uff09\u306b\u3088\u3063\u3066\u6a19\u6e96\u5316\u3055\u308c\u3001RFC2460\uff08\u5f8c\u306eRFC8200\uff09\u3068\u3057\u3066\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002IPv4\u3067\u306f\u7d0443\u5104\u500b\uff082^32\u500b\uff09\u306e\u30a2\u30c9\u30ec\u30b9\u3057\u304b\u5272\u308a\u5f53\u3066\u3089\u308c\u305a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u306e\u6025\u5897\u306b\u4f34\u3044\u30a2\u30c9\u30ec\u30b9\u4e0d\u8db3\u304c\u6df1\u523b\u5316\u3057\u3066\u3044\u307e\u3057\u305f\u3002IPv6\u306f2^128\u3068\u3044\u3046\u81a8\u5927\u306a\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u5c06\u6765\u7684\u306aIoT\u6a5f\u5668\u306e\u5927\u91cf\u5c0e\u5165\u3084\u5404\u7a2e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30fc\u30d3\u30b9\u306e\u62e1\u5927\u306b\u5341\u5206\u5bfe\u5fdc\u3067\u304d\u308b\u8a2d\u8a08\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e3b\u306a\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u62e1\u5927\u3060\u3051\u3067\u306a\u304f\u3001\u30d8\u30c3\u30c0\u306e\u7c21\u7d20\u5316\u306b\u3088\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u52b9\u7387\u306e\u5411\u4e0a\u3001\u8a8d\u8a3c\u304a\u3088\u3073\u6697\u53f7\u5316\u6a5f\u80fd\uff08IPsec\uff09\u306e\u6a19\u6e96\u5b9f\u88c5\u3001\u30a2\u30c9\u30ec\u30b9\u81ea\u52d5\u69cb\u6210\uff08SLAAC\uff1aStateless Address Autoconfiguration\uff09\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002IPv6\u30d8\u30c3\u30c0\u306f\u56fa\u5b9a\u957740\u30aa\u30af\u30c6\u30c3\u30c8\u3067\u69cb\u6210\u3055\u308c\u3001\u62e1\u5f35\u30d8\u30c3\u30c0\u3092\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5f8c\u7d9a\u3055\u305b\u308b\u3053\u3068\u3067\u67d4\u8edf\u306b\u6a5f\u80fd\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30eb\u30fc\u30bf\u306b\u3088\u308b\u30d1\u30b1\u30c3\u30c8\u51e6\u7406\u304c\u9ad8\u901f\u5316\u3055\u308c\u3001\u5f93\u6765\u306eIPv4\u3088\u308a\u3082\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3084\u9045\u5ef6\u7279\u6027\u304c\u6539\u5584\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001IPv6\u3067\u306f\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u304c\u5f37\u5316\u3055\u308c\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u306f\u5ec3\u6b62\u3055\u308c\u3066\u52b9\u7387\u7684\u306a\u30b0\u30eb\u30fc\u30d7\u901a\u4fe1\u304c\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u5c0e\u5165\u9762\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u6280\u8853\u3068\u3057\u3066\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af\u65b9\u5f0f\uff08IPv4\u3068IPv6\u3092\u540c\u6642\u306b\u904b\u7528\uff09\u3001\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u65b9\u5f0f\uff08IPv6\u30d1\u30b1\u30c3\u30c8\u3092IPv4\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u30ab\u30d7\u30bb\u30eb\u5316\uff09\u3001\u304a\u3088\u3073NAT64\uff0fDNS64\u306a\u3069\u304c\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u3088\u308a\u3001\u65e2\u5b58\u306eIPv4\u74b0\u5883\u3092\u5927\u304d\u304f\u5909\u3048\u305a\u306bIPv6\u5bfe\u5fdc\u3078\u6bb5\u968e\u7684\u306b\u79fb\u884c\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u4e16\u754c\u7684\u306b\u3082\u30e2\u30d0\u30a4\u30eb\u30ad\u30e3\u30ea\u30a2\u3001\u30af\u30e9\u30a6\u30c9\u4e8b\u696d\u8005\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u306a\u3069\u304c\u76f8\u6b21\u3044\u3067IPv6\u3092\u5c0e\u5165\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30ec\u30d9\u30eb\u3067\u306f\u7279\u5225\u306a\u8a2d\u5b9a\u306a\u3057\u306bIPv6\u30a2\u30af\u30bb\u30b9\u304c\u884c\u3048\u308b\u30b5\u30fc\u30d3\u30b9\u3082\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u3001\u4f9d\u7136\u3068\u3057\u3066IPv4\u4f9d\u5b58\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u7ba1\u7406\u30c4\u30fc\u30eb\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u5fc5\u8981\u3067\u3001\u79fb\u884c\u30b3\u30b9\u30c8\u3084\u904b\u7528\u30ce\u30a6\u30cf\u30a6\u304c\u8ab2\u984c\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001IPv6\u5bfe\u5fdc\u6a5f\u5668\u306e\u5c0e\u5165\u8a08\u753b\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u306e\u518d\u69cb\u7bc9\u3001DNS\u8a2d\u5b9a\u306e\u898b\u76f4\u3057\u306a\u3069\u691c\u8a0e\u3059\u3079\u304d\u9805\u76ee\u304c\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3059\u3002\u305d\u308c\u3067\u3082\u3001\u9577\u671f\u7684\u306b\u306fIP\u30a2\u30c9\u30ec\u30b9\u306e\u5b89\u5b9a\u7684\u306a\u78ba\u4fdd\u3068\u6b21\u4e16\u4ee3\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u306e\u57fa\u76e4\u3068\u3057\u3066\u3001IPv6\u306f\u4e0d\u53ef\u6b20\u306a\u6280\u8853\u3067\u3042\u308b\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u7b87\u6761\u66f8\u304d\u3067\u306e\u4e3b\u306a\u7279\u5fb4\uff085\u9805\u76ee\u4ee5\u4e0a\uff09 1. \u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u5927\u5e45\u62e1\u5927\uff1a128\u30d3\u30c3\u30c8\u9577\uff08\u7d043.4\u00d710^38\u500b\uff09\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u63d0\u4f9b 2. \u30d8\u30c3\u30c0\u69cb\u9020\u306e\u6700\u9069\u5316\uff1a\u56fa\u5b9a\u957740\u30aa\u30af\u30c6\u30c3\u30c8\uff0b\u62e1\u5f35\u30d8\u30c3\u30c0\u65b9\u5f0f\u3067\u51e6\u7406\u52b9\u7387\u3092\u5411\u4e0a 3. \u81ea\u52d5\u30a2\u30c9\u30ec\u30b9\u69cb\u6210\uff08SLAAC\uff09\uff1aDHCPv6\u3092\u4f7f\u308f\u305a\u3068\u3082\u6a5f\u5668\u304c\u81ea\u5df1\u751f\u6210\u3067IPv6\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97 4. \u6a19\u6e96\u7684\u306aIPsec\u30b5\u30dd\u30fc\u30c8\uff1a\u8a8d\u8a3c\u30fb\u6697\u53f7\u5316\u6a5f\u80fd\u3092\u30d7\u30ed\u30c8\u30b3\u30eb\u5c64\u3067\u5b9f\u88c5\u53ef\u80fd 5. \u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u5f37\u5316\uff0f\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u5ec3\u6b62\uff1a\u52b9\u7387\u7684\u306a\u30b0\u30eb\u30fc\u30d7\u901a\u4fe1\u304c\u53ef\u80fd 6. \u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u6280\u8853\u306e\u591a\u69d8\u6027\uff1a\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af\u3001\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u3001NAT64\/DNS64\u306a\u3069 7. QoS\u30d5\u30a3\u30fc\u30eb\u30c9\uff08Flow Label\uff09\uff1a\u901a\u4fe1\u30d5\u30ed\u30fc\u3092\u8b58\u5225\u3057\u3001\u512a\u5148\u5ea6\u5236\u5fa1\u304c\u5bb9\u6613\u306b<\/p>\n<p>\u53c2\u8003\u6587\u732e\u30fb\u53c2\u8003URL\uff08\u65e5\u672c\u8a9e\uff09 1. \u7dcf\u52d9\u7701\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30ebIPv6\u306e\u6982\u8981\u300d <a href=\"https:\/\/www.soumu.go.jp\/main_sosiki\/joho_tsusin\/eng\/ipv6\/\">https:\/\/www.soumu.go.jp\/main_sosiki\/joho_tsusin\/eng\/ipv6\/<\/a> 2. IPv6\u63a8\u9032\u30d5\u30a9\u30fc\u30e9\u30e0\u300cIPv6\u306e\u57fa\u672c\u3068\u5c0e\u5165\u30ac\u30a4\u30c9\u300d <a href=\"https:\/\/www.v6forum.or.jp\/whitepaper\/ipv6_intro\/\">https:\/\/www.v6forum.or.jp\/whitepaper\/ipv6_intro\/<\/a> 3. JPNIC\uff08\u65e5\u672c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30d5\u30a9\u30e1\u30fc\u30b7\u30e7\u30f3\u30bb\u30f3\u30bf\u30fc\uff09\u300cIPv6\u30cf\u30f3\u30c9\u30d6\u30c3\u30af\u300d <a href=\"https:\/\/www.nic.ad.jp\/ja\/basics\/ipv6\/handbook\/\">https:\/\/www.nic.ad.jp\/ja\/basics\/ipv6\/handbook\/<\/a> 4. Internet Engineering Task Force (IETF) RFC8200\uff08\u65e5\u672c\u8a9e\u8a33\uff09 <a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc8200-jp.html\">https:\/\/www.rfc-editor.org\/rfc\/rfc8200-jp.html<\/a> 5. IPA\uff08\u72ec\u7acb\u884c\u653f\u6cd5\u4eba \u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\uff09\u300cIPv6\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d <a href=\"https:\/\/www.ipa.go.jp\/security\/fy26\/reports\/ipv6_security.html\">https:\/\/www.ipa.go.jp\/security\/fy26\/reports\/ipv6_security.html<\/a> 6. Google Developers\u300cIPv6 adoption statistics\u300d <a href=\"https:\/\/developers.google.com\/speed\/public-dns\/ipv6-adoption\/\">https:\/\/developers.google.com\/speed\/public-dns\/ipv6-adoption\/<\/a> 7. Cisco\u300cIPv6\u8a2d\u8a08\u304a\u3088\u3073\u904b\u7528\u30ac\u30a4\u30c9\u300d <a href=\"https:\/\/www.cisco.com\/c\/ja_jp\/support\/docs\/ip\/ip-version-6-ipv6\/13772-3.html\">https:\/\/www.cisco.com\/c\/ja_jp\/support\/docs\/ip\/ip-version-6-ipv6\/13772-3.html<\/a><\/p>\n<p><a href=\"https:\/\/wordpress.realcollector.jp\/blog\/wp-content\/uploads\/2026\/01\/current_stablediffusion_api_response-42.png\" rel=\"attachment wp-att-66997\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"66997\" data-permalink=\"https:\/\/wordpress.realcollector.jp\/blog\/?attachment_id=66997\" data-orig-file=\"https:\/\/wordpress.realcollector.jp\/blog\/wp-content\/uploads\/2026\/01\/current_stablediffusion_api_response-42.png\" data-orig-size=\"512,512\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"current_stablediffusion_api_response\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/wordpress.realcollector.jp\/blog\/wp-content\/uploads\/2026\/01\/current_stablediffusion_api_response-42-300x300.png\" data-large-file=\"https:\/\/wordpress.realcollector.jp\/blog\/wp-content\/uploads\/2026\/01\/current_stablediffusion_api_response-42.png\" src=\"https:\/\/wordpress.realcollector.jp\/blog\/wp-content\/uploads\/2026\/01\/current_stablediffusion_api_response-42.png\" alt=\"\" title=\"current_stablediffusion_api_response-42-png\" width=\"1024\" height=\"1024\" class=\"alignnone size-full wp-image-66997\" srcset=\"https:\/\/wordpress.realcollector.jp\/blog\/wp-content\/uploads\/2026\/01\/current_stablediffusion_api_response-42.png 512w, https:\/\/wordpress.realcollector.jp\/blog\/wp-content\/uploads\/2026\/01\/current_stablediffusion_api_response-42-300x300.png 300w, https:\/\/wordpress.realcollector.jp\/blog\/wp-content\/uploads\/2026\/01\/current_stablediffusion_api_response-42-150x150.png 150w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>IPv6\uff08Internet Protocol version 6\uff09\u3068\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u304a\u3051\u308b\u901a\u4fe1\u306e\u57fa\u672c\u3068\u306a\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\uff08IP\uff09\u306e\u7b2c6\u7248\u3067\u3042\u308a\u3001\u4e3b\u306bIPv4\u306e\u30a2\u30c9\u30ec\u30b9\u67af\u6e07\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u30021990\u5e74\u4ee3\u5f8c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10942],"tags":[14780],"class_list":["post-66996","post","type-post","status-publish","format-standard","hentry","category-o4-mini","tag-14780"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/66996","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=66996"}],"version-history":[{"count":1,"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/66996\/revisions"}],"predecessor-version":[{"id":66998,"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/66996\/revisions\/66998"}],"wp:attachment":[{"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=66996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=66996"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.realcollector.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=66996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}