{"id":2814993,"date":"2026-04-17T07:19:51","date_gmt":"2026-04-17T07:19:51","guid":{"rendered":"https:\/\/www.wacoca.com\/news\/2814993\/"},"modified":"2026-04-17T07:19:51","modified_gmt":"2026-04-17T07:19:51","slug":"ipv4%e3%81%a8%e5%ae%8c%e5%85%a8%e4%b8%8b%e4%bd%8d%e4%ba%92%e6%8f%9b%e3%81%ae%e3%80%8cipv8%e3%80%8d%e3%83%89%e3%83%a9%e3%83%95%e3%83%88%e3%81%8c%e6%8a%95%e7%a8%bf%e3%80%82ipv6%e3%81%ae%e8%aa%b2","status":"publish","type":"post","link":"https:\/\/www.wacoca.com\/news\/2814993\/","title":{"rendered":"IPv4\u3068\u5b8c\u5168\u4e0b\u4f4d\u4e92\u63db\u306e\u300cIPv8\u300d\u30c9\u30e9\u30d5\u30c8\u304c\u6295\u7a3f\u3002IPv6\u306e\u8ab2\u984c\u3092\u514b\u670d – PC Watch"},"content":{"rendered":"

\u56f3\u306f\u30a4\u30e1\u30fc\u30b8(Gemini\u3067\u751f\u6210)<\/p>\n

\u3000IETF(Internet Engineering Task Force)\u306b\u5bfe\u3057\u3066\u3001\u6b21\u4e16\u4ee3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u300cInternet Protocol Version 8(IPv8)\u300d\u306e\u30c9\u30e9\u30d5\u30c8\u7248\u300cdraft-thain-ipv8-00\u300d\u304c\u3001One Limited\u6240\u5c5e\u306eJamie Thain\u6c0f\u306b\u3088\u3063\u30664\u670814\u65e5\u306b\u63d0\u51fa\u3055\u308c\u305f\u3002\u306a\u304a\u3001\u3053\u306e\u30c9\u30e9\u30d5\u30c8\u306fIETF\u306e\u627f\u8a8d\u3084\u7b56\u5b9a\u3092\u7d4c\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u3002 <\/p>\n

\u3000\u30c9\u30e9\u30d5\u30c8\u306b\u3088\u308b\u3068\u3001\u524d\u8eab\u306b\u5f53\u305f\u308b\u300cIPv6\u300d\u306f\u30a2\u30c9\u30ec\u30b9\u306e\u67af\u6e07\u554f\u984c\u306b\u306f\u5bfe\u51e6\u3067\u304d\u305f\u3002\u3057\u304b\u3057\u3001\u7ba1\u7406\u4e0a\u306e\u65ad\u7247\u5316\u554f\u984c\u306b\u306f\u5bfe\u51e6\u3067\u304d\u305a\u300125\u5e74\u9593\u306e\u5c55\u958b\u52aa\u529b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4e16\u754c\u7684\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u3054\u304f\u4e00\u90e8\u3057\u304b\u62c5\u3046\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u3068\u3044\u3046\u3002\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af\u306b\u3088\u308b\u79fb\u884c\u30e2\u30c7\u30eb\u3068\u7ba1\u7406\u6539\u5584\u306e\u6b20\u5982\u304c\u3001\u5546\u696d\u7684\u306b\u53d7\u3051\u5165\u308c\u3089\u308c\u306a\u3044\u539f\u56e0\u3060\u3063\u305f\u3068\u540c\u6c0f\u306f\u500b\u4eba\u7684\u898b\u89e3\u3092\u8ff0\u3079\u3066\u3044\u308b\u3002 <\/p>\n

\u301013\u664255\u5206\u8a02\u6b63\u3011\u30bf\u30a4\u30c8\u30eb\u3092\u4fee\u6b63\u3057\u3001\u30c9\u30e9\u30d5\u30c8\u304cThain\u6c0f\u306b\u3088\u3063\u3066\u63d0\u51fa\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u70b9\u3092\u660e\u8a18\u3057\u307e\u3057\u305f\u3002 <\/p>\n

\u3000\u4eca\u56de\u516c\u958b\u3055\u308c\u305fIPv8\u306f\u3001\u73fe\u5728\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u306e\u65ad\u7247\u5316\u3068\u3001IPv4\u30a2\u30c9\u30ec\u30b9\u67af\u6e07\u554f\u984c\u3092\u540c\u6642\u306b\u89e3\u6c7a\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u3002\u6700\u5927\u306e\u7279\u5fb4\u306f\u3001\u65e2\u5b58\u306eIPv4\u3068\u306e\u5b8c\u5168\u306a\u4e0b\u4f4d\u4e92\u63db\u6027\u3092\u7dad\u6301\u3057\u3066\u3044\u308b\u70b9\u3067\u3001IPv6\u306e\u3088\u3046\u306a\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af\u904b\u7528\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001\u5f37\u5236\u7684\u306a\u79fb\u884c\u671f\u9593(\u30d5\u30e9\u30b0\u30c7\u30fc)\u3082\u5b58\u5728\u3057\u306a\u3044\u3002 <\/p>\n

\u3000IPv8\u306e\u30a2\u30c9\u30ec\u30b9\u306f64bit\u3067\u69cb\u6210\u3055\u308c\u3001\u524d\u534a32bit\u306e\u300cr.r.r.r(ASN\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9)\u300d\u3068\u3001\u5f8c\u534a32bit\u306e\u300cn.n.n.n(\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9)\u300d\u306b\u5206\u304b\u308c\u3066\u3044\u308b\u3002\u5f8c\u534a\u306e\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306f\u3001IPv4\u3068\u5b8c\u5168\u306b\u540c\u4e00\u306e\u610f\u5473\u3092\u6301\u3064\u305f\u3081\u3001\u524d\u534a\u306e\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u300c0.0.0.0\u300d\u3068\u3057\u305f\u5834\u5408\u3001\u6a19\u6e96\u7684\u306aIPv4\u30eb\u30fc\u30eb\u3067\u51e6\u7406\u3055\u308c\u308bIPv4\u30a2\u30c9\u30ec\u30b9\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002\u3064\u307e\u308a\u3001IPv4\u306fIPv8\u306e\u5b8c\u5168\u306a\u30b5\u30d6\u30bb\u30c3\u30c8\u3067\u3042\u308a\u3001\u65e2\u5b58\u306e\u30c7\u30d0\u30a4\u30b9\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304fIPv8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u53c2\u52a0\u3067\u304d\u308b\u3002 <\/p>\n

IPv8\u30a2\u30c9\u30ec\u30b9\u306e\u69cb\u9020<\/p>\n

r.r.r.r.n.n.n.n
r.r.r.r\u00a0–\u00a032bit\u00a0ASN\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9
n.n.n.n\u00a0–\u00a032bit\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9<\/p>\n

IPv8\u306e\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593<\/p>\n

2^64\u00a0=\u00a018,446,744,073,709,551,616\u30e6\u30cb\u30fc\u30af\u30a2\u30c9\u30ec\u30b9
2^32\u00a0=\u00a0ASN\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u00d7ASN\u3054\u3068\u306b2^32\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9<\/p>\n

IPv4\u306e\u8868\u73fe\u65b9\u6cd5<\/p>\n

0.0.0.0.n.n.n.n
r.r.r.r=0.0.0.0\u306e\u30d1\u30b1\u30c3\u30c8\u306f\u3001n.n.n.n\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u9069\u7528\u3055\u308c\u308b\u6a19\u6e96\u306eIPv4\u306e\u30eb\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/p>\n

\u3000\u305d\u306e\u4e00\u65b9\u3067\u3001\u30a2\u30c9\u30ec\u30b9\u5168\u4f53\u306f64bit\u5316\u306b\u3088\u308a\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306f2\u306e64\u4e57\u3078\u3068\u62e1\u5927\u3059\u308b\u3002\u5404ASN(\u81ea\u5f8b\u30b7\u30b9\u30c6\u30e0\u756a\u53f7)\u306e\u4fdd\u6709\u8005\u306b\u306f4,294,967,296\u500b(2\u306e32\u4e57)\u306e\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u305f\u3081\u3001CGNAT\u306a\u3069\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u30a2\u30c9\u30ec\u30b9\u67af\u6e07\u554f\u984c\u3092\u6839\u672c\u7684\u306b\u89e3\u6c7a\u3067\u304d\u308b\u3068\u3044\u3046\u3002 <\/p>\n

\u3000\u307e\u305f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u306e\u5237\u65b0\u3082\u30c8\u30d4\u30c3\u30af\u3002IPv8\u3067\u306f\u300c\u30be\u30fc\u30f3\u30b5\u30fc\u30d0\u30fc\u300d\u3068\u547c\u3070\u308c\u308b\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304c\u4e2d\u5fc3\u3068\u306a\u308a\u3001\u30a2\u30c9\u30ec\u30b9\u5272\u308a\u5f53\u3066(DHCP8)\u3001\u540d\u524d\u89e3\u6c7a(DNS8)\u3001\u6642\u523b\u540c\u671f(NTP8)\u3001\u30c6\u30ec\u30e1\u30c8\u30ea\u53ce\u96c6(NetLog8)\u3001\u8a8d\u8a3c\u30ad\u30e3\u30c3\u30b7\u30e5(OAuth8)\u3001IPv4\/IPv8\u5909\u63db(XLATE8)\u306a\u3069\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u7d71\u5408\u3002\u30c7\u30d0\u30a4\u30b9\u306f1\u56de\u306eDHCP8 Discover\u8981\u6c42\u3092\u884c\u306a\u3046\u3060\u3051\u3067\u3059\u3079\u3066\u306e\u5fdc\u7b54\u3092\u53d7\u4fe1\u3067\u304d\u308b\u3002 <\/p>\n

\u3000\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3067\u306f\u3001OAuth2 JWT\u30c8\u30fc\u30af\u30f3\u306b\u3088\u308b\u30ed\u30fc\u30ab\u30eb\u8a8d\u8a3c\u3092\u57fa\u76e4\u3068\u3059\u308b\u307b\u304b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306fACL8\u30be\u30fc\u30f3\u5206\u96e2\u306b\u3088\u3063\u3066\u5f37\u5236\u3055\u308c\u3001\u307b\u304b\u306e\u5b9b\u5148\u3078\u8a31\u53ef\u3055\u308c\u305f\u30eb\u30fc\u30c8\u3092\u5b58\u5728\u3055\u305b\u306a\u3044\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u9632\u5fa1\u3002\u307e\u305f\u30013\u3064\u306e\u72ec\u7acb\u3057\u305f\u5f37\u5236\u30ec\u30a4\u30e4\u30fc\u3068\u3044\u3063\u305f\u591a\u5c64\u9632\u5fa1\u3082\u63d0\u4f9b\u3059\u308b\u3002 <\/p>\n

\u3000\u4e00\u65b9\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u90e8\u304b\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u5411\u304b\u3046\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3001DNS8\u306b\u3088\u308b\u540d\u524d\u89e3\u6c7a\u3068WHOIS8\u30ec\u30b8\u30b9\u30c8\u30ea\u306e\u691c\u8a3c\u304c\u5fc5\u9808\u3068\u306a\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001DNS\u89e3\u6c7a\u3092\u4f34\u308f\u306a\u3044\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u306b\u3088\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4e3b\u8981\u306a\u30b3\u30de\u30f3\u30c9&\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30c1\u30e3\u30cd\u30eb\u901a\u4fe1\u306a\u3069\u3092\u6392\u9664\u3067\u304d\u308b\u3002 <\/p>\n

\u3000\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u3082\u5f37\u5316\u3055\u308c\u3001TCP\u30bb\u30c3\u30b7\u30e7\u30f3\u304b\u3089\u30e9\u30a6\u30f3\u30c9\u30c8\u30ea\u30c3\u30d7\u6642\u9593\u3001\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u3001\u8f3b\u8f33\u30a6\u30a3\u30f3\u30c9\u30a6\u72b6\u614b\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u5b89\u5b9a\u6027\u3001\u30ea\u30f3\u30af\u5bb9\u91cf\u3068\u3044\u3063\u305f\u30c6\u30ec\u30e1\u30c8\u30ea\u304b\u3089\u5c0e\u51fa\u3055\u308c\u308b32bit\u306e\u7d2f\u7a4d\u30e1\u30c8\u30ea\u30c3\u30af\u300cCost Factor(CF)\u300d\u3092\u5c0e\u5165\u3057\u3001\u5404\u30eb\u30fc\u30bf\u30fc\u306f\u5354\u8abf\u305b\u305a\u9001\u4fe1\u5143\u304b\u3089\u5b9b\u5148\u307e\u3067\u7d2f\u7a4dCF\u304c\u6700\u3082\u4f4e\u3044\u30d1\u30b9\u3092\u500b\u5225\u306b\u9078\u629e\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u3002 <\/p>\n

\u3000BGP4\u306a\u3069\u3067\u898b\u3089\u308c\u305f\u30b0\u30ed\u30fc\u30d0\u30eb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u306e\u80a5\u5927\u5316\u306b\u3064\u3044\u3066\u3082\u3001IPv8\u3067\u306f\u6700\u5c0f\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u300c\/16\u300d\u306b\u5236\u9650\u3057\u3001BGP8\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u3092ASN\u3054\u3068\u306b1\u30a8\u30f3\u30c8\u30ea\u306b\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3092\u56f3\u3063\u3066\u3044\u308b\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u56f3\u306f\u30a4\u30e1\u30fc\u30b8(Gemini\u3067\u751f\u6210) \u3000IETF(Internet Engineering Task Force)\u306b\u5bfe\u3057\u3066\u3001\u6b21\u4e16\u4ee3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u300cInternet Protocol Version 8(IPv8)\u300d<\/p>\n","protected":false},"author":2,"featured_media":2814994,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[762757],"tags":[6782,527890,62574,578,26083,57596],"class_list":{"0":"post-2814993","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-business","8":"tag-business","9":"tag-business-news","10":"tag-62574","11":"tag-578","12":"tag-26083","13":"tag-57596"},"share_on_mastodon":{"url":"https:\/\/wakoka.com\/@news\/116418840734498793","error":""},"_links":{"self":[{"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/posts\/2814993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/comments?post=2814993"}],"version-history":[{"count":0,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/posts\/2814993\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/media\/2814994"}],"wp:attachment":[{"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/media?parent=2814993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/categories?post=2814993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/tags?post=2814993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}