\u3000Yuaiho\u306f\u5b9f\u5bb6\u3068\u81ea\u5b85\u306e\u4e21\u65b9\u306bPC\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6301\u3063\u3066\u3044\u3066\u3001NGN\u7d4c\u7531\u306eVPN\u3067(\u307b\u307c)\u5e38\u6642\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307b\u307c\u3068\u8a00\u3046\u306e\u306fVPN\u30eb\u30fc\u30bf\u306f\u305f\u3060\u306eLinux\u30de\u30b7\u30f3\u306a\u306e\u3067yum\u3068\u304b\u3067OS\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u305f\u5f8c\u306b\u30ea\u30d6\u30fc\u30c8\u304b\u3051\u308b\u3068\u5207\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u3000VPN\u3067\u62e0\u70b9\u611f\u540c\u58eb\u3092\u63a5\u7d9a\u3057\u3066\u308bNW\u306f\u6614\u306f\u5b9f\u5bb6\u3082\u81ea\u5b85\u3082OCN\u7d4c\u7531\u3067\u3057\u305f\u304c\u3001\u307e\u3060OCN\u306bUpload 30GB\u5236\u9650\u304c\u3042\u3063\u305f\u6642\u4ee3\u306b1TB\u3050\u3089\u3044\u8ee2\u9001\u3057\u305f\u3089\u6012\u3089\u308c\u305f\u306e\u3067\u30012010\u5e74\u4ee3\u7d42\u308f\u308a\u3050\u3089\u3044\u304b\u3089NGN\u3067\u63a5\u7d9a\u3057\u3066\u3044\u307e\u3059\u3002\u4eca\u306eOCN\u306f\u8ee2\u9001\u5236\u9650\u304c\u5ec3\u6b62\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u5236\u9650\u7121\u304f\u5782\u308c\u6d41\u305b\u307e\u3059\u304c\u623b\u308b\u6c17\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u3000\u307e\u3041\u3001\u5b9f\u969b\u306fNGN\u306b\u884c\u304d\u7740\u304f\u524d\u306b\u3001\u8ee2\u9001\u5236\u9650\u304c\u7121\u304f\u3066\u5b89\u3044ISP\u3092\u8272\u3005\u4f7f\u3063\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001\u901f\u5ea6\u306b\u96e3\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u8272\u3005\u8a66\u3057\u3066\u307f\u3066\u3001\u7d50\u5c40NGN\u7d4c\u7531\u306a\u3089ISP\u4e0d\u8981\u3067\u7dad\u6301\u8cbb\u304c\u304b\u304b\u3089\u306a\u3044\u306e\u3067NGN\u306b\u843d\u3061\u7740\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u3000\u3069\u3053\u3068\u306f\u8a00\u3044\u307e\u305b\u3093\u304c\u3001\u3072\u3069\u3044ISP\u306f\u591c\u9593\u304cADSL\u3088\u308a\u9045\u304f\u3066\u300c\u3053\u308c\u304c\u5642\u306b\u52b9\u304f\u5149\u30ca\u30ed\u30fc\u30d0\u30f3\u30c9\u304b\u2026\u5b9f\u5728\u3059\u308b\u3093\u3060\u306a\u300d\u3068\u601d\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3000NGN\u306f\u30d5\u30ec\u30c3\u30c4\u30e6\u30fc\u30b6\u3067\u3042\u308c\u3070\u6f0f\u308c\u306a\u304f\u63a5\u7d9a\u3055\u308c\u3066\u307e\u3059\u3002\u305d\u3057\u3066\u5b9f\u306fNTT\u6771\u65e5\u672c\u7ba1\u5185or\u897f\u65e5\u672c\u7ba1\u5185\u3067\u3042\u308c\u3070(IPv6\u3055\u3048\u308f\u304b\u308c\u3070)\u3001\u30ce\u30fc\u30c9\u540c\u58eb\u3092\u76f4\u7d50\u51fa\u6765\u307e\u3059\u3002\u3057\u304b\u3082\u73fe\u6642\u70b9\u3067\u306fNGN\u5185\u306f\u4e8b\u5b9f\u4e0a\u3001\u5e2f\u57df\u5236\u9650\u3082\u8ee2\u9001\u91cf\u5236\u9650\u3082\u7121\u304f\u3066\u6d41\u3057\u653e\u984c\u3067\u3059\u3002<\/p>\n\n\n\n
\u3000\u305f\u3060\u3001NGN\u306fNTT\u6771\u3068NTT\u897f\u3067\u306f\u5206\u65ad\u3055\u308c\u3066\u307e\u3059\u306e\u3067\u3001\u6771\u4eac\u306b\u5b9f\u5bb6\u304c\u3042\u3063\u3066\u3001\u5927\u962a\u306b\u81ea\u5b85\u304c\u3042\u308b\u306e\u3067\u305d\u308c\u3092NGN\u3060\u3051\u3067\u3064\u306a\u3050\u3068\u3044\u3046\u306e\u306f\u7121\u7406\u3067\u3059\u3002<\/p>\n\n\n\n
\u3000\u3057\u304b\u3057\u4e21\u62e0\u70b9\u304cNTT\u6771\u65e5\u672c\u5185\u3001\u307e\u305f\u306fNTT\u897f\u65e5\u672c\u5185\u3067\u3042\u308c\u3070\u4e21\u62e0\u70b9\u306bIPv6\u30aa\u30d7\u30b7\u30e7\u30f3\u3064\u3051\u308b\u3060\u3051\u3067\u30ce\u30fc\u30c9\u9593\u3092IPv6\u3067\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002\u4e21\u62e0\u70b9\u306eIPv6\u30aa\u30d7\u30b7\u30e7\u30f3\u3055\u3048\u3064\u3051\u3068\u3051\u3070\u305d\u308c\u4ee5\u5916\u306e\u7533\u8acb\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
\u3000\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u6708\u984d\u306f\u7121\u6599\u306a\u3093\u3067\u3059\u304c\u3001\u30d5\u30ec\u30c3\u30c4\u30b9\u30af\u30a8\u30a2\u3068\u3044\u3046IPv4\u3067\u7e4b\u3050\u306e\u304c\u7d50\u69cb\u96e3\u3057\u3044\u6240\u7d4c\u7531\u3067\u7533\u8acb\u3057\u306a\u3044\u3068\u3001(\u3064\u307e\u308a\u96fb\u8a71\u306a\u3069\u3067\u7533\u3057\u8fbc\u3080\u3068)\u7533\u8acb\u624b\u6570\u6599\u304c2,000\u5186\u3050\u3089\u3044\u304b\u304b\u308b\u3068\u8a00\u3046\u66f2\u8005\u3067\u3059\u3002<\/p>\n\n\n\n
ISP\u5951\u7d04\u306f\u4e0d\u8981\u3067\u3059\u304c\u4ee5\u4e0b\u306e\u5236\u9650\u306f\u3042\u308a\u307e\u3059\u306d\u3002
\u30fbNGN\u7db2\u5185\u306fIPv6\u3057\u304b\u4f7f\u3048\u307e\u305b\u3093\u3002
\u30fbIPv6\u306eISP\u5951\u7d04\u304c\u306a\u3044\u3068NGN\u3060\u3051\u3067\u306fIPoE\u3067IPv6\u3067\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u306f\u63a5\u7d9a\u3067\u304d\u306a\u3044(\u203b)\u3002
\u203bIPoE\u3067\u51fa\u6765\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u3042\u3063\u3066PPPoE\u3067IPv6\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
NGN\u306eIPv6\u306f\u30eb\u30fc\u30bf\u304c\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u30eb\u30fc\u30bf\u306eWAN\u5074\u3092\u7e4b\u3050\u3060\u3051\u3067\/64\u304cICMPv6 RA\u3067\u964d\u3063\u3066\u304d\u307e\u3059\u3002\u964d\u3063\u3066\u304f\u308bIPv6\u306e\u30d6\u30ed\u30c3\u30af\u30b5\u30a4\u30ba\u306f\u96fb\u8a71\u306a\u3069\u306e\u5951\u7d04\u3057\u3066\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u3082\u5909\u308f\u308b\u307f\u305f\u3044\u3067\u3059\u304c\u3001\u307b\u307c\u7d20\u306e\u5951\u7d04\u3060\u3068\/64\u304c\u964d\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\/64\u306e\u5834\u5408\u3001\u5de6\u507464bit\u306f\u5951\u7d04\u5909\u3048\u308b\u3068\u304b\u5f15\u3063\u8d8a\u3059\u3068\u304b\u304c\u7121\u3044\u9650\u308a\u307b\u307c\u56fa\u5b9a\u3067\u3059\u3002\u79c1\u3082\u6570\u5e74\u5909\u308f\u3063\u3066\u307e\u305b\u3093\u3002\u30e6\u30fc\u30b6\u304c\u4efb\u610f\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u306e\u306f\u53f3\u507464bit\u306e\u307f\u3067\u3059\u3002\u3061\u306a\u307f\u306b<\u81ea\u5206\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\/64>::fffe\u304cNGN\u5074\u306eGW\u3063\u307d\u3044\u3067\u3059\u3002<\/p>\n\n\n\n
IPv6\u306e\u53f3\u5074\u306e\u751f\u6210\u306fIPv6\u3092\u4f7f\u3046\u6a5f\u5668\u6b21\u7b2c\u3067\u3059\u304c\u3001\u9762\u5012\u306a\u3089\u6a5f\u5668\u5074\u3067\u56fa\u5b9a\u3057\u3066\u3057\u307e\u3046\u304b\u3001SoftEther\u3067\u6709\u540d\u306a\u767b\u904a\u5927\u6c0f\u304cNGN\u3067\u4f7f\u3048\u308bDynamic DNS\u3092\u4f5c\u3089\u308c\u3066\u308b<\/a>(i.open.ad.jp)\u306e\u3067\u3001\u305d\u3061\u3089\u3092\u4f7f\u3046\u306e\u3082\u4e00\u624b\u3067\u3059\u3002NGN\u5185\u306e\u30d5\u30eb\u30ea\u30be\u30eb\u30d0\u3067\u3082\u5f15\u3051\u307e\u3059\u3057\u3001Ping\u3067\u66f4\u65b0\u3067\u304d\u3066\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n VPN\u306f\u79c1\u306e\u5834\u5408\u3001OpenVPN\u3092\u4f7f\u3063\u3066\u3044\u3066\u62e0\u70b9\u540c\u58eb\u306fL3\u63a5\u7d9a\u3057\u3066\u3044\u307e\u3059\u3002\u5b9f\u5bb6\u5074\u3092\u30b5\u30fc\u30d0\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n OpenVPN\u306f\u5c11\u306a\u304f\u3068\u3082\u30c8\u30f3\u30cd\u30eb\u6398\u308b\u5074(WAN\u5074)\u306fIPv6\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u4eca\u307e\u3067IPv4\u3067\u63a5\u7d9a\u3057\u3066\u3044\u305f\u306e\u3067\u3042\u308c\u3070OpenVPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306eOpenVPN\u306eremote\u3092IPv6\u30a2\u30c9\u30ec\u30b9\u306b\u66f8\u304d\u63db\u3048\u308c\u3070\u3001IPv4\u304b\u3089\u305d\u306e\u307e\u307e\u79fb\u884c\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3001WAN\u5074\u3092IPv6\u306eTCP\u3067\u7e4b\u3050\u5834\u5408\u306f\u300cproto tcp-client\u300d\u306b\u3057\u306a\u3044\u3068\u30c0\u30e1(proto tcp\u3067\u306f\u30c0\u30e1)\u3063\u307d\u3044\u3067\u3059\u3002<\/p>\n\n\n\n OpenVPN\u540c\u58eb\u304cIPv6\u3067\u3001\u5404\u62e0\u70b9\u306eLAN\u5185\u306fIPv4 Only\u3067\u3082\u7279\u306b\u554f\u984c\u306a\u304f\u7e4b\u304c\u308a\u307e\u3059\u3002WAN\u5074\u304cIPv6\u3067\u3082\u3061\u3083\u3093\u3068Peer to Peer\u306eGW\u306fIPv4\u3067\u3059\u3057\u3001\u5411\u3053\u3046\u306e\u62e0\u70b9\u306eIPv4\u3067\u63a5\u7d9a\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n NGN\u7d4c\u7531\u3060\u3068IPoE\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u30d5\u30ec\u30c3\u30c4\u63a5\u7d9a\u6642\u3068\u306fMTU\/MSS\u304c\u7570\u306a\u308a\u307e\u3059\u3002IPoE\u306f1,500 [Byte]\u3067\u3059\u304c\u3001\u30d5\u30ec\u30c3\u30c4\u306fIPv4\u306e\u5834\u54081,454 [Byte]\u524d\u5f8c<\/a>\u306a\u306e\u3067\u57fa\u672c\u7684\u306b\u30d5\u30ec\u30c3\u30c4\u63a5\u7d9a\u6642\u3088\u308a\u3082MTU\u3084MSS\u3084\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3055\u308c\u3066\u308b\u5834\u5408\u306f\u898b\u76f4\u3059\u3068\u901f\u5ea6\u304c\u51fa\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n OpenVPN\u306eMTU\u3084MSS\u306e\u8a2d\u5b9a\u306f\u79c1\u3082\u8272\u3005\u52c9\u5f37\u3057\u3066\u3001\u300eIP\u30d8\u30c3\u30c0\u30fc\u304c\u5165\u308b\u304b\u30894 or 20 [Byte]\u5f15\u3044\u3066\u301c\u300f\u307f\u305f\u3044\u306b\u8a08\u7b97\u3057\u3066\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3084\u308a\u307e\u3057\u305f\u304c\u3001(24\u6642\u9593\u5e2f\u57df\u3044\u3063\u3071\u3044\u307e\u3067\u9001\u53d7\u4fe1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u304b\u3067\u306a\u3051\u308c\u3070)\u3076\u3063\u3061\u3083\u3051OpenVPN\u306b\u3088\u308b\u81ea\u52d5\u6c7a\u5b9a\u304c1\u756a\u697d\u3067\u3001\u901f\u5ea6\u3082\u5341\u5206\u3067\u3059\u3002<\/p>\n\n\n\n 1\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u30ab\u30ea\u30ab\u30ea\u306b\u8a70\u3081\u3066\u30c1\u30e5\u30fc\u30f3\u3057\u3066\u3082\u3001PON\u306a\u308a\u30de\u30f3\u30b7\u30e7\u30f3\u5185\u306e\u30b9\u30a4\u30c3\u30c1\u306a\u308a\u3001\u81ea\u5206\u306eNW\u306a\u308a\u306e\u540c\u6642\u63a5\u7d9a\u8005\u306e\u4f7f\u7528\u5e2f\u57df\u5909\u52d5\u306e\u65b9\u304c\u5927\u304d\u304f\u3066\u307e\u3068\u3082\u306a\u52b9\u679c\u6e2c\u5b9a\u304c\u51fa\u6765\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u300124\u6642\u9593\u5e2f\u57df\u3092\u3044\u3063\u3071\u3044\u3044\u3063\u3071\u3044\u4f7f\u3063\u3066\u6700\u5927\u9650\u52b9\u7387\u7684\u306b\u9001\u53d7\u4fe1\u3057\u305f\u3044\u3068\u304b\u306e\u9700\u8981\u304c\u306a\u3044\u306a\u3089\u3001\u30ab\u30ea\u30ab\u30ea\u306b\u8a70\u3081\u308b\u306e\u3092\u9811\u5f35\u308b\u3088\u308a\u3082\u5229\u7528\u8005\u5c11\u306a\u3044\u6df1\u591c\u306b\u9001\u308b\u65b9\u304c\u65ad\u7136\u901f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n NGN\u7db2\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u3053\u3068\u3092\u30ac\u30f3\u7121\u8996\u306a\u3089\u5411\u3053\u3046\u306e\u62e0\u70b9\u306eIPv6\u6253\u3061\u8fbc\u3081\u3070\u76f4\u7d50\u51fa\u6765\u307e\u3059\u304c\u3001\u79c1\u306f\u4e00\u5fdc\u6697\u53f7\u5316\u3057\u3066\u304a\u304d\u305f\u3044\u306e\u3067OpenVPN\u3092\u5165\u308c\u3066\u3044\u307e\u3059\u3002OpenVPN\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306f\u6b63\u78ba\u306b\u8a08\u7b97\u3057\u305f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u5927\u4f538\u301c9%\u3067\u3059\u3002\u307e\u3041\u5c0f\u3055\u304f\u306f\u306a\u3044\u3067\u3059\u306d\u3002Wire Guard\u306b\u3057\u305f\u3089\u3069\u3046\u306a\u3093\u3060\u308d\u3046\uff1f\u3068\u306f\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n 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NGN\u7db2\u5185\u304c\u7d20\u901a\u308a\u3067\u304d\u308b\u306e\u306fNTT\u306f\u3042\u307e\u308a\u8868\u7acb\u3063\u3066\u306f\u8a00\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30ec\u30f3\u30bf\u30eb\u53ef\u80fd\u306aHGW\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u898b\u308b\u305d\u3046\u3044\u3046\u901a\u4fe1\u304c\u51fa\u6765\u305d\u3046\u3060\u3068\u3044\u3046\u304c\u3061\u3083\u3093\u3068\u66f8\u304b\u308c\u3066\u307e\u3059\u3002<\/p>\n\n\n\n IPv6\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30ec\u30d9\u30eb\u3000(\u521d\u671f\u5024\uff1a\u3000\u6a19\u6e96) 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\n\n\n\n
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IPv6\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30ec\u30d9\u30eb\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002
\u300c\u6a19\u6e96\u300d
NTT\u6771\u65e5\u672c\u306e\u30d5\u30ec\u30c3\u30c4 \u5149\u30cd\u30af\u30b9\u30c8\u7db2\u5185\u3067\u6298\u308a\u8fd4\u3059\u901a\u4fe1(NTT\u6771\u65e5\u672c\u3068\u306e\u5951\u7d04\u306b\u3088\u308a\u53ef\u80fd\u3068\u306a\u308b\u3082\u306e)\u3092\u8a31\u5bb9\u3057\u307e\u3059\u3002
\u300c\u9ad8\u5ea6\u300d
NTT\u6771\u65e5\u672c\u306e\u30d5\u30ec\u30c3\u30c4 \u5149\u30cd\u30af\u30b9\u30c8\u7db2\u5185\u3067\u6298\u308a\u8fd4\u3059\u901a\u4fe1(NTT\u6771\u65e5\u672c\u3068\u306e\u5951\u7d04\u306b\u3088\u308a\u53ef\u80fd\u3068\u306a\u308b\u3082\u306e)\u3092\u62d2\u5426\u3057\u307e\u3059\u3002
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