{"id":477676,"date":"2023-08-09T09:18:51","date_gmt":"2023-08-09T09:18:51","guid":{"rendered":""},"modified":"2023-09-05T11:15:10","modified_gmt":"2023-09-05T11:15:10","slug":"internet-protocol-version-4-ipv6","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/internet-protocol-version-4-ipv6\/","title":{"rendered":"\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv6)"},"content":{"rendered":"<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 6 (IPv6) \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u57fa\u76e4\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb (IP) \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002IPv6 \u306f\u3001\u4f7f\u7528\u53ef\u80fd\u306a IPv4 \u30a2\u30c9\u30ec\u30b9\u304c\u6025\u901f\u306b\u67af\u6e07\u3057\u305f\u305f\u3081\u3001\u524d\u8eab\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv4) \u3092\u7f6e\u304d\u63db\u3048\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u304c\u5897\u3048\u7d9a\u3051\u308b\u3053\u3068\u306b\u5bfe\u5fdc\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u7d99\u7d9a\u7684\u306a\u62e1\u5f35\u3092\u78ba\u5b9f\u306b\u3059\u308b\u305f\u3081\u306b\u3001IPv6 \u306e\u63a1\u7528\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u30b8\u30e7\u30f34\uff08IPv6\uff09\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>1980 \u5e74\u4ee3\u5f8c\u534a\u3001IPv4 \u3067\u63d0\u4f9b\u3055\u308c\u308b\u9650\u3089\u308c\u305f\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593 (\u7d04 43 \u5104\u306e\u30a2\u30c9\u30ec\u30b9) \u304c\u3059\u3050\u306b\u67af\u6e07\u3059\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u305f\u305f\u3081\u3001IP \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306e\u5fc5\u8981\u6027\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u30bf\u30b9\u30af \u30d5\u30a9\u30fc\u30b9 (IETF) \u306f\u30011995 \u5e74 12 \u6708\u3068\u3044\u3046\u65e9\u3044\u6642\u671f\u306b IPv6 \u306e\u958b\u767a\u306b\u7740\u624b\u3057\u307e\u3057\u305f\u3002IPv6 \u306e\u6700\u521d\u306e\u516c\u5f0f\u4ed5\u69d8\u306f\u30011998 \u5e74\u306b RFC 2460 \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 6 (IPv6) \u4ed5\u69d8\u300d\u3067\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv6) \u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>IPv6 \u306f\u3001IPv4 \u306e\u5236\u9650\u3092\u514b\u670d\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6539\u5584\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u307e\u3057\u305f\u3002IPv6 \u306e\u6700\u3082\u6ce8\u76ee\u3059\u3079\u304d\u6a5f\u80fd\u306b\u306f\u3001\u5927\u5e45\u306b\u62e1\u5f35\u3055\u308c\u305f\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3001\u6539\u5584\u3055\u308c\u305f\u30d1\u30b1\u30c3\u30c8\u51e6\u7406\u3001\u5f37\u5316\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u7c21\u7d20\u5316\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u304c\u3042\u308a\u307e\u3059\u3002IPv6 \u306f 128 \u30d3\u30c3\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u5f62\u5f0f\u3092\u4f7f\u7528\u3057\u3001\u7d04 3.4 x 10^38 \u500b\u306e\u4e00\u610f\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u8a31\u53ef\u3057\u3066\u3001IPv4 \u304c\u76f4\u9762\u3057\u3066\u3044\u305f\u30a2\u30c9\u30ec\u30b9\u67af\u6e07\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv6) \u306e\u5185\u90e8\u69cb\u9020<\/h2>\n<p>IPv6 \u30d1\u30b1\u30c3\u30c8\u306f IPv4 \u30d1\u30b1\u30c3\u30c8\u3068\u4f3c\u305f\u69cb\u9020\u3067\u3059\u304c\u3001\u3044\u304f\u3064\u304b\u306e\u5909\u66f4\u304c\u52a0\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002IPv6 \u30d1\u30b1\u30c3\u30c8\u306e\u4e3b\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30d0\u30fc\u30b8\u30e7\u30f3\uff1a<\/strong> \u30d1\u30b1\u30c3\u30c8\u304c IPv4 \u304b IPv6 \u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30af\u30e9\u30b9:<\/strong> \u30b5\u30fc\u30d3\u30b9\u54c1\u8cea (QoS) \u3068\u30d1\u30b1\u30c3\u30c8\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30d5\u30ed\u30fc\u30e9\u30d9\u30eb:<\/strong> \u7279\u5225\u306a\u51e6\u7406\u306e\u305f\u3081\u306b\u540c\u3058\u30d5\u30ed\u30fc\u306b\u5c5e\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u9577\u3055:<\/strong> \u30d1\u30b1\u30c3\u30c8\u5185\u306e\u30c7\u30fc\u30bf \u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30b5\u30a4\u30ba\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6b21\u306e\u30d8\u30c3\u30c0\u30fc:<\/strong> \u30da\u30a4\u30ed\u30fc\u30c9\u5185\u306e\u30c7\u30fc\u30bf\u306e\u30bf\u30a4\u30d7\u3068\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u8b58\u5225\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30db\u30c3\u30d7\u5236\u9650:<\/strong> IPv4 \u306e Time to Live (TTL) \u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u4f3c\u3066\u304a\u308a\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u6709\u52b9\u671f\u9593\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9:<\/strong> \u9001\u4fe1\u8005\u306e 128 \u30d3\u30c3\u30c8 IPv6 \u30a2\u30c9\u30ec\u30b9\u3002<\/li>\n<li><strong>\u5b9b\u5148\u4f4f\u6240:<\/strong> \u5bfe\u8c61\u53d7\u4fe1\u8005\u306e 128 \u30d3\u30c3\u30c8 IPv6 \u30a2\u30c9\u30ec\u30b9\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30da\u30a4\u30ed\u30fc\u30c9:<\/strong> \u9001\u4fe1\u3055\u308c\u308b\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv6) \u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>IPv6 \u306b\u306f\u3001IPv4 \u3092\u6539\u826f\u3057\u305f\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u62e1\u5f35\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593:<\/strong> \u81a8\u5927\u306a\u6570\u306e IPv6 \u30a2\u30c9\u30ec\u30b9\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30d0\u30a4\u30b9\u306b\u56fa\u6709\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u30e2\u30ce\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 (IoT) \u306e\u6210\u9577\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u306e\u6025\u5897\u304c\u4fc3\u9032\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u52d5\u69cb\u6210:<\/strong> IPv6 \u30db\u30b9\u30c8\u306f\u3001\u96c6\u4e2d\u30b5\u30fc\u30d0\u30fc\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b IP \u30a2\u30c9\u30ec\u30b9\u3092\u81ea\u52d5\u7684\u306b\u69cb\u6210\u3067\u304d\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u7ba1\u7406\u304c\u7c21\u7d20\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u52b9\u7387\u7684\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u7c21\u7d20\u5316\u3055\u308c\u305f\u30d8\u30c3\u30c0\u30fc\u5f62\u5f0f:<\/strong> IPv6 \u306f\u30d1\u30b1\u30c3\u30c8 \u30d8\u30c3\u30c0\u30fc\u306e\u30b5\u30a4\u30ba\u3092\u7e2e\u5c0f\u3057\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30bb\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5f37\u5316\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3:<\/strong> IPv6 \u306f\u3001IPsec (\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3) \u3092\u8a2d\u8a08\u306e\u4e0d\u53ef\u6b20\u306a\u90e8\u5206\u3068\u3057\u3066\u7d44\u307f\u8fbc\u3093\u3067\u304a\u308a\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u6697\u53f7\u5316\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3001\u304a\u3088\u3073\u8a8d\u8a3c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8:<\/strong> IPv6 \u306f\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u3092\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u8907\u6570\u306e\u53d7\u4fe1\u8005\u306b\u540c\u6642\u306b\u30c7\u30fc\u30bf\u3092\u914d\u4fe1\u3059\u308b\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u5909\u63db (NAT) \u306e\u6392\u9664:<\/strong> IPv6 \u30a2\u30c9\u30ec\u30b9\u304c\u8c4a\u5bcc\u306b\u3042\u308b\u305f\u3081\u3001NAT \u306f\u4e0d\u8981\u306b\u306a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u304c\u7c21\u7d20\u5316\u3055\u308c\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u63a5\u7d9a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv6) \u306e\u7a2e\u985e<\/h2>\n<p>IPv4 \u306b\u306f\u8907\u6570\u306e\u30af\u30e9\u30b9 (A\u3001B\u3001C\u3001D\u3001E) \u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bf\u30a4\u30d7 (\u30d1\u30d6\u30ea\u30c3\u30af\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8) \u304c\u3042\u308a\u307e\u3059\u304c\u3001IPv6 \u306b\u306f\u30d0\u30fc\u30b8\u30e7\u30f3\u304c 1 \u3064\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002IPv6 \u3067\u306f\u3001\u30b3\u30ed\u30f3\u3067\u533a\u5207\u3089\u308c\u305f 4 \u6841\u306e 16 \u9032\u6570\u5b57\u306e 8 \u3064\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u69cb\u6210\u3055\u308c\u308b\u7d71\u4e00\u3055\u308c\u305f\u30a2\u30c9\u30ec\u30b9\u5f62\u5f0f\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>IPv6 \u30a2\u30c9\u30ec\u30b9\u306e\u4f8b: 2001:0db8:85a3:0000:0000:8a2e:0370:7334<\/p>\n<h2>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u30b8\u30e7\u30f34\uff08IPv6\uff09\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<p>IPv4 \u30a2\u30c9\u30ec\u30b9\u306e\u67af\u6e07\u304c\u5dee\u3057\u8feb\u308b\u306b\u3064\u308c\u3001IPv6 \u306e\u63a1\u7528\u306f\u7740\u5b9f\u306b\u5897\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u8ab2\u984c\u304c\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af\u79fb\u884c:<\/strong> \u591a\u304f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u6700\u521d\u306b IPv4 \u3068 IPv6 \u306e\u4e21\u65b9\u304c\u540c\u6642\u306b\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af\u69cb\u6210\u3092\u5b9f\u88c5\u3057\u3001\u65e2\u5b58\u306e IPv4 \u30b5\u30fc\u30d3\u30b9\u3092\u4e2d\u65ad\u3059\u308b\u3053\u3068\u306a\u304f IPv6 \u3078\u306e\u6bb5\u968e\u7684\u306a\u79fb\u884c\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u4e92\u63db\u6027:<\/strong> \u4e00\u90e8\u306e\u53e4\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c7\u30d0\u30a4\u30b9\u306f IPv6 \u3068\u5b8c\u5168\u306b\u4e92\u63db\u6027\u304c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001IPv6 \u74b0\u5883\u3067\u6b63\u3057\u304f\u6a5f\u80fd\u3055\u305b\u308b\u306b\u306f\u66f4\u65b0\u307e\u305f\u306f\u4ea4\u63db\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u61f8\u5ff5:<\/strong> IPv6 \u306b\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u63a1\u7528\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u3001\u65b0\u305f\u306a\u653b\u6483\u30d9\u30af\u30c8\u30eb\u3084\u8106\u5f31\u6027\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u7dad\u6301\u3059\u308b\u306b\u306f\u3001\u5e38\u306b\u6ce8\u610f\u3092\u6255\u3044\u3001\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a2\u30c9\u30ec\u30b9\u306e\u8a08\u753b\u3068\u7ba1\u7406:<\/strong> \u5229\u7528\u53ef\u80fd\u306a IPv6 \u30a2\u30c9\u30ec\u30b9\u306e\u6570\u304c\u81a8\u5927\u3067\u3042\u308b\u305f\u3081\u3001\u52b9\u7387\u7684\u306a\u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066\u3068\u5229\u7528\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u30a2\u30c9\u30ec\u30b9\u306e\u8a08\u753b\u3068\u7ba1\u7406\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>IPv6 \u3068\u305d\u306e\u524d\u8eab\u3067\u3042\u308b IPv4 \u306e\u6bd4\u8f03\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>IPv4<\/th>\n<th>IPv6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30a2\u30c9\u30ec\u30b9\u30b5\u30a4\u30ba<\/td>\n<td>32\u30d3\u30c3\u30c8\uff08\u7d0443\u5104\u30a2\u30c9\u30ec\u30b9\uff09<\/td>\n<td>128 \u30d3\u30c3\u30c8 (\u7d04 3.4 x 10^38 \u30a2\u30c9\u30ec\u30b9)<\/td>\n<\/tr>\n<tr>\n<td>\u4f4f\u6240\u8868\u8a18<\/td>\n<td>\u30c9\u30c3\u30c8\u4ed8\u304d 10 \u9032\u6570\u5f62\u5f0f (\u4f8b: 192.0.2.1)<\/td>\n<td>16\u9032\u6570\u306e8\u3064\u306e\u30b0\u30eb\u30fc\u30d7\uff08\u4f8b\uff1a2001:0db8:85a3:0000:0000:8a2e:0370:7334\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30c9\u30ec\u30b9\u8a2d\u5b9a<\/td>\n<td>\u624b\u52d5\u307e\u305f\u306fDHCP<\/td>\n<td>\u81ea\u52d5\u69cb\u6210<\/td>\n<\/tr>\n<tr>\n<td>NAT \u8981\u4ef6<\/td>\n<td>\u4f4f\u6240\u4e0d\u8db3\u306e\u305f\u3081\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b<\/td>\n<td>\u30a2\u30c9\u30ec\u30b9\u304c\u8c4a\u5bcc\u306a\u306e\u3067NAT\u306f\u4e0d\u8981<\/td>\n<\/tr>\n<tr>\n<td>\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba<\/td>\n<td>\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\u3092\u5927\u304d\u304f\u3059\u308b<\/td>\n<td>\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd<\/td>\n<td>\u30aa\u30d7\u30b7\u30e7\u30f3 (IPsec)<\/td>\n<td>\u30a4\u30f3\u30c6\u30b0\u30e9\u30eb\uff08IPsec\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u9650\u5b9a\u7684\u306a\u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u30cd\u30a4\u30c6\u30a3\u30d6\u30b5\u30dd\u30fc\u30c8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv6) \u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>IPv4 \u30a2\u30c9\u30ec\u30b9\u304c\u3055\u3089\u306b\u67af\u6e07\u3059\u308b\u306b\u3064\u308c\u3066\u3001IPv6 \u306e\u63a1\u7528\u306f\u5f15\u304d\u7d9a\u304d\u5897\u52a0\u3059\u308b\u3068\u4e88\u60f3\u3055\u308c\u307e\u3059\u3002\u3088\u308a\u591a\u304f\u306e\u7d44\u7e54\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c IPv6 \u306b\u79fb\u884c\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u6b21\u306e\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30e2\u30ce\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\uff08IoT\uff09\u306e\u6210\u9577:<\/strong> \u5e83\u5927\u306a\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u308b\u3053\u3068\u3067\u3001IoT \u30c7\u30d0\u30a4\u30b9\u306e\u6025\u5897\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u63a5\u7d9a\u3068\u30c7\u30fc\u30bf\u4ea4\u63db\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u5f37\u5316:<\/strong> \u7d44\u307f\u8fbc\u307f\u306e IPsec \u306b\u3088\u308a\u3001IPv6 \u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5e45\u5e83\u3044\u652f\u6301:<\/strong> IPv6 \u304c\u4e3b\u6d41\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u306a\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u4e3b\u8981\u306a\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u304c\u5b8c\u5168\u306a\u4e92\u63db\u6027\u3068\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u4f7f\u7528\u65b9\u6cd5\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv6) \u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u7ba1\u7406\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u533f\u540d\u6027\u306e\u63d0\u4f9b\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002IPv6 \u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u6b21\u306e\u76ee\u7684\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>IPv6 \u63a5\u7d9a\u30c6\u30b9\u30c8:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001IPv6 \u5bfe\u5fdc\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084 Web \u30b5\u30a4\u30c8\u306e\u6a5f\u80fd\u3092\u30c6\u30b9\u30c8\u304a\u3088\u3073\u691c\u8a3c\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IPv6-IPv4 \u5909\u63db:<\/strong> \u4e00\u90e8\u306e\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f IPv6 \u304b\u3089 IPv4 \u3078\u306e\u5909\u63db\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001IPv4 \u306e\u307f\u306e\u30c7\u30d0\u30a4\u30b9\u304c IPv6 \u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3001\u305d\u306e\u9006\u3092\u884c\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IPv6 \u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001IPv6 \u901a\u4fe1\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u3055\u3089\u306b\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (IPv6) \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/datatracker.ietf.org\/wg\/ipv6\/about\/\" target=\"_new\" rel=\"noopener nofollow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u30bf\u30b9\u30af\u30d5\u30a9\u30fc\u30b9 (IETF) IPv6 \u30ef\u30fc\u30ad\u30f3\u30b0\u30b0\u30eb\u30fc\u30d7<\/a><\/li>\n<li><a href=\"https:\/\/www.ipv6.com\/\" target=\"_new\" rel=\"noopener nofollow\">IPv6.com \u2013 IPv6 \u306b\u95a2\u3059\u308b\u5305\u62ec\u7684\u306a\u30ea\u30bd\u30fc\u30b9<\/a><\/li>\n<li><a href=\"https:\/\/www.ipv6actnow.org\/\" target=\"_new\" rel=\"noopener nofollow\">RIPE NCC IPv6 \u60c5\u5831\u30bb\u30f3\u30bf\u30fc<\/a><\/li>\n<\/ol>\n<p>IPv6 \u306b\u3088\u3063\u3066\u3082\u305f\u3089\u3055\u308c\u308b\u9032\u6b69\u304c\u4e16\u754c\u7684\u306b\u53d7\u3051\u5165\u308c\u3089\u308c\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6210\u9577\u3068\u9032\u5316\u306f\u9593\u9055\u3044\u306a\u304f\u4fc3\u9032\u3055\u308c\u3001\u3055\u3089\u306b\u9769\u65b0\u7684\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u51fa\u73fe\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002IPv6 \u306f\u3001\u3088\u308a\u63a5\u7d9a\u3055\u308c\u305f\u5b89\u5168\u306a\u30c7\u30b8\u30bf\u30eb\u4e16\u754c\u306e\u672a\u6765\u306b\u5411\u3051\u305f\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002<\/p>","protected":false},"featured_media":468668,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477676","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Internet Protocol version 4 (IPv6)<\/mark>","faq_items":[{"question":"1. What is Internet Protocol version 6 (IPv6)?","answer":"<p>IPv6 is the latest version of the Internet Protocol, designed to replace IPv4 due to its limited address space. It provides a much larger address space and offers improved packet handling, security features, and simplified network configuration.<\/p>"},{"question":"2. When was IPv6 developed?","answer":"<p>The development of IPv6 began in the late 1980s, and the first official specifications were published in 1998.<\/p>"},{"question":"3. How does the internal structure of IPv6 differ from IPv4?","answer":"<p>IPv6 packets have a similar structure to IPv4 packets but with some modifications. The main components of an IPv6 packet include version, traffic class, flow label, payload length, next header, hop limit, source address, destination address, and data payload.<\/p>"},{"question":"4. What are the key features of IPv6?","answer":"<p>IPv6 offers an expanded address space, autoconfiguration, efficient routing, enhanced security with built-in IPsec, support for multicasting, and the elimination of the need for Network Address Translation (NAT).<\/p>"},{"question":"5. Are there different types of IPv6?","answer":"<p>Unlike IPv4, there is only one version of IPv6, and it uses a uniform address format consisting of eight groups of four hexadecimal digits separated by colons.<\/p>"},{"question":"6. What are the challenges in using IPv6?","answer":"<p>Some challenges in using IPv6 include dual-stack transition for compatibility, ensuring application and infrastructure support, addressing security concerns, and effective address planning and management.<\/p>"},{"question":"7. How will IPv6 impact the future of the internet?","answer":"<p>IPv6 adoption will facilitate the growth of the Internet of Things (IoT) and enhance security measures with built-in IPsec. Widespread support is expected, making IPv6 the dominant protocol for internet communications.<\/p>"},{"question":"8. How can proxy servers be used with IPv6?","answer":"<p>Proxy servers can aid in testing IPv6 connectivity, offer IPv6-IPv4 translation services, and enhance privacy and security for IPv6 communications.<\/p>"},{"question":"9. Where can I find more information about IPv6?","answer":"<p>For more details about IPv6, you can visit resources such as the Internet Engineering Task Force (IETF) IPv6 Working Group, IPv6.com, and the RIPE NCC IPv6 Info Centre.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477676\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/468668"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477676"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}