{"id":10198,"date":"2013-12-22T11:00:15","date_gmt":"2013-12-22T02:00:15","guid":{"rendered":"http:\/\/labs.gree.jp\/blog\/?p=10198"},"modified":"2013-12-22T23:26:49","modified_gmt":"2013-12-22T14:26:49","slug":"trema-%e3%81%a7-openflow-%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0","status":"publish","type":"post","link":"https:\/\/labs.gree.jp\/blog\/2013\/12\/10198\/","title":{"rendered":"Trema \u3067 OpenFlow \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3001\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u672c\u90e8\u306e\u5927\u5c71\u3067\u3059\u3002
\n\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u306fGREE Advent Calendar 2013 22\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n

\u306f\u3058\u3081\u306b<\/h1>\n

\"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\" \u3068\u3044\u3046\u8a00\u8449\u306f\u3001\u6050\u3089\u304f\u30b7\u30b9\u30c6\u30e0\u5c4b\u3055\u3093\u306b\u3068\u3063\u3066 TCP\/UDP \u3042\u308b\u3044\u306f IP \u3068\u3044\u3063\u305f L4, L3 \u306e\u4e16\u754c\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u60f3\u8d77\u3055\u305b\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u3067\u3059\u304c OpenFlow \u306b\u3088\u3063\u3066\u3001\u305d\u306e\u30ec\u30a4\u30e4\u304c\u4e00\u6c17\u306b L1 \u307e\u3067\u843d\u3061\u307e\u3057\u305f\u3002\u3064\u307e\u308a Layer-1 \uff08\u7269\u7406\u5c64\uff09\u307e\u3067\u304c\u30d7\u30ed\u30b0\u30e9\u30de\u30d6\u30eb\u306b\u6271\u3048\u308b\u9818\u57df\u306b\u306a\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n

\u3053\u308c\u306f\u4e3b\u306b Ethernet \u3068 IP \u306b\u9650\u5b9a\u3055\u308c\u308b\u3082\u306e\u306e\u3001\u5f93\u6765 L1 \u304b\u3089 L3 \u306e\u9818\u57df\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c4b\u3055\u3093\u306e\u9818\u5206\u3067 L4 \u4ee5\u4e0a\u304c\u30b7\u30b9\u30c6\u30e0\u5c4b\u3055\u3093\u3001\u3042\u308b\u3044\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c4b\u3055\u3093\u306e\u9818\u5206\u3068\u3044\u3046\u6697\u9ed9\u306e\u4e86\u89e3\u3092 OpenFlow \u304c\u7121\u304f\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n

\u4eca\u65e5\u306f OpenFlow \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5236\u5fa1\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff08\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\uff09\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af \"Trema<\/a>\" \u306b\u3064\u3044\u3066\u3001\u304a\u8a71\u3092\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n

Trema \u3068\u306f\u4f55\u304b\uff1f<\/h1>\n

3 \u5e74\u304f\u3089\u3044\u524d\u304b\u3089 OpenFlow \u3084 SDN \u3068\u3044\u3063\u305f\u8a00\u8449\u304c\u3082\u3066\u306f\u3084\u3055\u308c\u3001\u305d\u306e\u5b9f\u4f55\u304c\u3069\u3046\u4e0a\u624b\u304f\u3067\u304d\u308b\u306e\u304b\u3001\u30e2\u30e4\u30c3\u3068\u3057\u3066\u3066\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u30d0\u30ba\u30ef\u30fc\u30c9\u3068\u306a\u3063\u3066\u4e45\u3057\u3044\u3067\u3059\u3002\u66f4\u306b\u3053\u3053\u3078\u304d\u3066\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306a\u3069\u304c\u4e2d\u5fc3\u3068\u306a\u3063\u3066\u3001\u3053\u3046\u3057\u305f\u6280\u8853\u3092\u5229\u7528\u3057\u305f\u3001\u30d5\u30a1\u30a4\u30e4\u30fc\u30a6\u30a9\u30fc\u30eb\u3084\u8af8\u6240\u306e\u8a8d\u8a3c\u6a5f\u80fd\u306a\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3092\u4eee\u60f3\u5316\u3059\u308b NFV \u306a\u308b\u30e2\u30ce\u304c\u6253\u3061\u51fa\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

\u5384\u4ecb\u306a\u30d0\u30ba\u30ef\u30fc\u30c9\u304c\u3069\u3093\u3069\u3093\u5897\u3048\u3001\u52a0\u3048\u3066 SDN \u3068 NFV \u3092\u540c\u4e00\u30ec\u30d9\u30eb\u306e\u3082\u306e\u3068\u3057\u3066\u6271\u3046\u8a18\u4e8b\u306a\u3069\u306b\u3088\u3063\u3066\u6df7\u4e71\u304c\u9032\u307f\u3001\u3053\u306e\u8a71\u984c\u306b\u7e01\u9060\u3044\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u306f\u305d\u308d\u305d\u308d\u8a33\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u3063\u3066\u304d\u3066\u308b\u3093\u3058\u3083\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u61b6\u6e2c\u3067\u3059\u304c\u3001\u3053\u3046\u3057\u305f\u7528\u8a9e\u304c\u6b21\u3005\u3068\u767b\u5834\u3059\u308b\u80cc\u666f\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c4b\u3055\u3093\uff08\u3068\u304b\u304f\u6b27\u7c73\u570f\uff09\u306e\u7279\u5fb4\u306b\u8d77\u56e0\u3059\u308b\u3068\u3053\u308d\u304c\u3042\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f\u4f55\u306b\u3067\u3082\u540d\u524d\u3092\u4ed8\u3051\u305f\u304c\u308a\u307e\u3059\u3002\u4eee\u306b\u305d\u308c\u304c\u5225\u306e\u8a00\u8449\u3067\u4e00\u822c\u7684\u306b\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u30e2\u30ce\u3084\u4e8b\u8c61\u3067\u3042\u3063\u3066\u3082\u3001\u540d\u524d\u3063\u307d\u3044\u540d\u524d\u304c\u7121\u3044\u3068\u5206\u304b\u308b\u3068\u3001\u305d\u308c\u3089\u3092\u4e00\u822c\u5316\u3057\u305f\u7dcf\u4f53\u3068\u3057\u3066\u9577\u3005\u3057\u3044\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\u3002\u305d\u3057\u3066\u305d\u306e\u540d\u524d\u306e\u5404\u5358\u8a9e\u306e\u982d\u6587\u5b57\u3092\u304f\u3063\u3064\u3051\u3066\u305d\u3044\u3064\u3092\u6307\u3059\u3088\u3046\u306b\u3057\u307e\u3059\u3002\"Virtual eXtensible Local Area Network\" \u3067 VXLAN\u3001\"Network Virtualization using Generic Routing Encapsulation\" \u3067 NVGRE \u306a\u3069\u306a\u3069\u3002<\/p>\n

\u5b9f\u306b\u666e\u901a\u3067\u3059\u3002GNU \u3084 Linux, YAML \u306a\u3069\u3068\u3044\u3063\u305f\u30cd\u30fc\u30df\u30f3\u30b0\u3068\u6bd4\u8f03\u3057\u3066\u3082\u3001\u30b7\u30b9\u30c6\u30e0\u5c4b\u3055\u3093\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c4b\u3055\u3093\u306e\u6027\u8cea\u306e\u9055\u3044\u304c\u73fe\u308c\u307e\u3059\u3002<\/p>\n

\u9591\u8a71\u4f11\u984c\u3002<\/p>\n

\u300c\u3058\u3083\u3042 Trema \u3068\u304b OpenFlow \u3063\u3066\u4f55\u306a\u3093\u3058\u3083\u300d\u3068\u3044\u3046\u8a71\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u3053\u308c\u3089\u306e\u7528\u8a9e\u3092\u3056\u3063\u304f\u308a\u3068\u6574\u7406\u3057\u3066\u307f\u307e\u3059\u3002\u5148\u306e SDN, NFV \u4e91\u3005\u306e\u8a71\u306e\u6d41\u308c\u3067\u8a00\u3046\u3068\u3001OpenFlow \u3068\u306f SDN \u3092\u5b9f\u73fe\u3059\u308b\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u306a\u90e8\u5206\u306e\u5b9f\u88c5\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30e2\u30ce\u3067\u3001Trema \u3068\u306f OpenFlow \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5236\u5fa1\u3059\u308b OpenFlow \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3068\u547c\u3070\u308c\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5b9f\u88c5\u3059\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u306e\u5bfe\u6bd4\u3067\u8868\u3057\u305f\u3082\u306e\u304c\u4e0b\u306e\u8868\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

NFV => \u3042\u308b\u76ee\u7684\u306b\u7279\u5316\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 (Ruby on Rails \u76f8\u5f53)
\nSDN => \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u308b\u305f\u3081\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e (Ruby \u76f8\u5f53)
\nOpenFlow => \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u652f\u3048\u308b\u6280\u8853 (libc \u76f8\u5f53)
\nTrema => \u6a19\u6e96 C \u30e9\u30a4\u30d6\u30e9\u30ea (libc) \u306e\u5b9f\u88c5\u306e\u4e00\u3064 (glibc \u76f8\u5f53)<\/p>\n

\u4f55\u6545 Trema \u306a\u306e\u304b\uff1f<\/h1>\n

\u6a19\u6e96 C \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u4e00\u53e3\u306b\u8a00\u3063\u3066\u3082\u3001\u305d\u306e\u5b9f\u88c5\u306f glibc \u306e\u4ed6\u306b\u3082 BSD \u7cfb\u306e\u30e2\u30ce\u3084\u7d44\u307f\u8fbc\u307f\u7528\u306b\u5c02\u79d1\u3057\u305f\u3082\u306e\u306a\u3069\u69d8\u3005\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u540c\u3058\u3088\u3046\u306b\u3001OpenFlow \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af (\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u30e2\u30ce\u3001\u3042\u308b\u3044\u306f\u305d\u3046\u5206\u985e\u3055\u308c\u308b\u3082\u306e) \u306b\u306f Trema \u4ee5\u5916\u306b\u3082\u69d8\u3005\u3042\u308a\u307e\u3059\u3002\u4e3b\u3060\u3063\u305f OpenFlow \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u7279\u5fb4\u3092\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

Trema<\/a> : \u958b\u767a\u30fb\u30c6\u30b9\u30c8\u30fb\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb\u3092\u81ea\u524d\u3067\u5099\u3048\u305f\u30aa\u30fc\u30eb\u30a4\u30f3\u30ef\u30f3\u306a OpenFlow \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002NEC \u306e\u30e1\u30f3\u30d0\u30fc\u304c\u4e2d\u5fc3\u3068\u306a\u3063\u3066\u958b\u767a\u3092\u63a8\u9032\u3002
\nFloodlight<\/a> : \u7c73 Big Switch \u793e\u304c\u958b\u767a\u3059\u308b\u5546\u7528\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e OpenFlow \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3002\u9ad8\u5ea6\u306b\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f\u8a2d\u8a08\u304c\u7279\u5fb4\u3002
\nRyu<\/a> : OpenStack Neutron \u306b Ryu \u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u3042\u308a\u3001Neutron \u3068 REST API \u3092\u4f7f\u3063\u3066\u5354\u8abf\u52d5\u4f5c\u53ef\u80fd\u3002NTT \u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30ba\u306e\u30e1\u30f3\u30d0\u30fc\u304c\u4e2d\u5fc3\u3068\u306a\u3063\u3066\u958b\u767a\u3092\u63a8\u9032\u3002
\nOpenDaylight<\/a> : OpenFlow \u4ee5\u5916\u306e SDN \u6280\u8853\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b SDN \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9(\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u5f8c\u8ff0\u3057\u307e\u3059)\u3002\u5927\u898f\u6a21\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u3002\u4e3b\u306b cisco \u306a\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d9\u30f3\u30c0\u30fc\u304c\u4e2d\u5fc3\u3068\u306a\u3063\u3066\u958b\u767a\u3092\u63a8\u9032\u3002<\/p>\n

\u6b21\u306b\u3001Trema \u304c\u552f\u4e00\u3068\u8b33\u3046\u30aa\u30fc\u30eb\u30a4\u30f3\u30ef\u30f3\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u6210\u3059\u3001\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3001\u305d\u3057\u3066\u6700\u8fd1 Trema \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u90e8\u3067\u8a71\u984c\u306e\u30b5\u30d6\u30d7\u30ed\u30b8\u30a7\u30af\u30c8 Trema::Pio \u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\uff1a\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/h2>\n

\u3053\u3053\u3067\u8a00\u3046\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306f\u300c\u7269\u7406\u306e\u4e0a\u306b\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3066\u3001\u30de\u30eb\u30c1\u30c6\u30ca\u30f3\u30c8\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f5c\u308a\u307e\u3057\u3087\u300d\u7684\u306a\u30e2\u30ce\u3067\u306f\u306a\u304f\u3001\u4e00\u3064\u306e PC \u4e0a\u3067\u4eee\u60f3\u7684\u306b\u4efb\u610f\u306e\u30c8\u30dd\u30ed\u30b8\u30fc\u306e IP \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3066\u3001\u305d\u3053\u306b\u4eee\u60f3\u7684\u306a\u30db\u30b9\u30c8\u3092\u63a5\u7d9a\u3055\u305b\u308b\u4e8b\u304c\u51fa\u6765\u308b\u30e2\u30ce\u306e\u3053\u3068\u3092\u8a00\u3063\u3066\u3044\u307e\u3059\u3002\u306a\u306e\u3067\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b7\u30e5\u30df\u30ec\u30fc\u30bf\u300d\u3068\u3044\u3063\u305f\u65b9\u304c\u610f\u5473\u7684\u306b\u8fd1\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001Trema \u30b0\u30eb\u30fc\u30d7\u304c\u3053\u308c\u3092\u300c\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u3068\u547c\u3093\u3067\u3044\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u3082\u305d\u3046\u547c\u3073\u307e\u3059\u3002<\/p>\n

Trema \u3067\u306f\u3001\u3053\u3046\u3057\u305f\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u7bc9\u3001\u53ca\u3073\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3059\u308b\u4eee\u60f3\u30db\u30b9\u30c8\u9593\u3067\u306e\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u304c\u3067\u304d\u308b\u74b0\u5883\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u7269\u7406\u7684\u306b OpenFlow \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u7528\u610f\u3057\u306a\u304f\u3066\u3082\u3001\u624b\u5143\u306b\u3042\u308b PC \u3067\u624b\u8efd\u306b\u5927\u898f\u6a21\u304b\u3064\u8907\u96d1\u306a OpenFlow \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3001\u305d\u3053\u3067\u81ea\u524d\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u52d5\u4f5c\u3092\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3067\u306f\u5b9f\u969b\u306b\u52d5\u304b\u3057\u306a\u304c\u3089\u3053\u3044\u3064\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u307e\u305a\u3001Trema \u3092\u52d5\u304b\u305b\u308b\u74b0\u5883\u3092\u7528\u610f\u3057\u307e\u3059\u3002GitHub \u306e Trema \u30ea\u30dd\u30b8\u30c8\u30ea\u304b\u3089\u6700\u65b0\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u30d3\u30eb\u30c9\u3057\u307e\u3059\uff08\u8a73\u3057\u304f\u306f\u3001Trema \u306e GitHub \u30da\u30fc\u30b8<\/a> \u306a\u3069\u3092\u53c2\u8003\u306b\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\uff09\u3002<\/p>\n

\u74b0\u5883\u69cb\u7bc9\u304c\u6e08\u3093\u3060\u3089\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u969b\u306b\u52d5\u304b\u3057\u3066\u307f\u307e\u3059\u3002\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u542b\u3080 Trema \u306b\u5bfe\u3059\u308b\u64cd\u4f5c\u306f\u3001\u30ea\u30dd\u30b8\u30c8\u30ea\u914d\u4e0b\u306e trema \u30b3\u30de\u30f3\u30c9\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u307e\u3059\u3002\"trema --help\" \u3067\u4f7f\u3044\u65b9\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002Trema \u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8d77\u52d5\u3059\u308b\u306b\u306f\u3001run \u30b3\u30de\u30f3\u30c9\u306e\u5f8c\u308d\u306b C \u3082\u3057\u304f\u306f Ruby \u3067\u4f5c\u6210\u3057\u305f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n

\n$ trema run \n<\/pre>\n
\u4eca\u56de\u306f\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0 dumper (src\/examples\/dumper\/dumper.rb) \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002dumper \u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u901a\u77e5\u3055\u308c\u308b\u5404\u7a2e\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u3001\u30a4\u30d9\u30f3\u30c8\u3068\u30a4\u30d9\u30f3\u30c8\u306b\u4ed8\u968f\u3059\u308b\u30e1\u30bf\u30c7\u30fc\u30bf (\u30e1\u30c3\u30bb\u30fc\u30b8\u30c7\u30fc\u30bf) \u306e\u4e2d\u8eab\u3092\u6a19\u6e96\u51fa\u529b\u306b\u66f8\u304d\u51fa\u3059\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n
\ngakusei@debian:~$ cd file\/trema\ngakusei@debian:~\/file\/trema$ sudo .\/trema run src\/examples\/dumper\/dumper.rb -c src\/examples\/dumper\/dumper.conf\n<\/pre>\n
\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f -c \u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u3001Trema \u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7528\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u3092\u6e21\u3057\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0 dumper \u3068\u540c\u3058\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u3001\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7528\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb (dumper.conf) \u304c\u7f6e\u304b\u308c\u3066\u3044\u308b\u306e\u3067\u3053\u308c\u3092\u6307\u5b9a\u3057\u3066 Trema \u3092\u8d77\u52d5\u3057\u307e\u3059\u3002\u5c1a\u3001\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001TAP \u30c7\u30d0\u30a4\u30b9\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081 root \u6a29\u9650\u3092\u8981\u6c42\u3057\u3066\u304f\u308b\u305f\u3081\u3001root \u6a29\u9650\u3092\u4e0e\u3048\u3066\u3084\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u3001\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n
\nohyama@gree:~\/trema$ cd\nohyama@gree:~$ cd trema\nohyama@gree:~\/trema$ nl -b a src\/examples\/dumper\/dumper.conf \n     1  vswitch(\"dumper\") { datapath_id \"0xabc\" }\n     2  \n     3  vhost(\"host1\")\n     4  vhost(\"host2\")\n     5  \n     6  link \"dumper\", \"host1\"\n     7  link \"dumper\", \"host2\"\nohyama@gree:~\/trema$ \n<\/pre>\n
\u3053\u3053\u3067\u306f\u3001\u4e8c\u3064\u306e\u4eee\u60f3\u30db\u30b9\u30c8\u304c\u4e00\u3064\u306e\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u306b\u63a5\u7d9a\u3059\u308b\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f5c\u308b\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u898b\u3066\u306e\u901a\u308a\u3001Trema \u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306f Ruby \u306e\u5185\u90e8 DSL \u3067\u8a18\u8ff0\u3055\u308c\u307e\u3059\u3002<\/p>\n
dumper.conf \u306b\u306f\u3001vswitch, vhost, link \u306e 3 \u7a2e\u985e\u306e\u30e1\u30bd\u30c3\u30c9\u30b3\u30fc\u30eb\u304c\u8a18\u8ff0\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u300c\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u300d\u300c\u4eee\u60f3\u30db\u30b9\u30c8\u300d\u300c\u4eee\u60f3\u30ea\u30f3\u30af\u300d\u306e\u5b9a\u7fa9\u306b\u306a\u308a\u307e\u3059\u3002vswitch \u3068 vhost \u306e\u5f15\u6570\u3067\u305d\u308c\u305e\u308c\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u3001\u4eee\u60f3\u30db\u30b9\u30c8\u306b\u30e9\u30d9\u30eb\u3092\u3064\u3051\u3066\u3084\u308c\u307e\u3059\u3002\u307e\u305f\u30d6\u30ed\u30c3\u30af\u3067\u5185\u90e8\u3067\u3001\u305d\u308c\u305e\u308c\u306e\u30e1\u30bf\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u3066\u3084\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
vswitch \u3067\u306f\u3001OpenFlow \u30b9\u30a4\u30c3\u30c1\u3092\u8b58\u5225\u3059\u308b 64 \u30d3\u30c3\u30c8\u306e\u8b58\u5225\u5b50 ( datapath_id ) \u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u4f55\u3082\u6307\u5b9a\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001vhost \u306b\u5bfe\u3057\u3066\u4eee\u60f3\u30db\u30b9\u30c8\u306e IP \u30a2\u30c9\u30ec\u30b9\u3001MAC \u30a2\u30c9\u30ec\u30b9\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u3066\u3084\u308b\u4e8b\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
\nvhost(\"host1\") {\n    ip \"192.168.0.1\"\n    netmask \"255.255.255.0\"\n    mac \"00:00:00:00:00:01\"\n}\n    \nvhost(\"host2\") {\n    ip \"192.168.0.2\"\n    netmask \"255.255.255.0\"\n    mac \"00:00:00:00:00:02\"\n}\n<\/pre>\n
\u4f5c\u6210\u3057\u305f\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5bfe\u3057\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6d41\u3057\u3066\u3084\u308b\u306b\u306f\u3001trema \u30b3\u30de\u30f3\u30c9\u306e\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u306e\u4e00\u3064 send_packets \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002Trema \u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u3067 \"trema send_packets --help\" \u3068\u5b9f\u884c\u3059\u308b\u3068\u3001send_packets \u30b3\u30de\u30f3\u30c9\u306e\u4f7f\u7528\u6cd5\u3092\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n
\u305d\u308c\u3067\u306f\u8a66\u3057\u306b host1 \u304b\u3089\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u51fa\u3057\u3066\u898b\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002trema \u3092\u8d77\u52d5\u3057\u305f\u306e\u3068\u306f\u5225\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u304b\u3089\u3001\u4ee5\u4e0b\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067 dumper.conf \u3067\u5b9a\u7fa9\u3057\u305f host1 \u304b\u3089 host2 \u306b\u5bfe\u3057\u3066 UDP \u30d1\u30b1\u30c3\u30c8\u304c\u9001\u3089\u308c\u307e\u3059\u3002<\/p>\n
\n$ .\/trema send_packets --source host1 --dest host2 --n_pkts 100\n<\/pre>\n
trema run \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u30ad\u30e3\u30d7\u30c1\u30e3\u3055\u308c\u3066\u3044\u308b\u69d8\u5b50\u304c\u5206\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u4eee\u60f3\u30db\u30b9\u30c8\u3001\u53ca\u3073\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u306e\u9001\u53d7\u4fe1\u72b6\u6cc1\u3001\u8ee2\u9001\u8a2d\u5b9a\u72b6\u6cc1\u306b\u3064\u3044\u3066\u306f\u305d\u308c\u305e\u308c\u3001trema \u306e\u30b5\u30d6\u30b3\u30de\u30f3\u30c9 \"show_stats\" \u3068 \"dump_flows\" \u306b\u3088\u3063\u3066\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u308c\u307e\u3067\u3068\u540c\u69d8\u306b\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u306e\u5f8c\u308d\u306b \"--help\" \u3092\u3064\u3051\u3066\u5b9f\u884c\u3059\u308b\u3068\u4f7f\u7528\u6cd5\u3092\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u307e\u3067\u3060\u3068\u3001\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4f7f\u3044\u65b9\u306e\u304a\u8a71\u3060\u3051\u306e\u3088\u304f\u3042\u308b\u5185\u5bb9\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u3053\u3053\u3042\u3089\u3082\u3046\u3061\u3087\u3063\u3068\u30c4\u30c3\u8fbc\u3093\u3060\u300c\u3058\u3083\u3042\u3053\u3044\u3064\u3092\u3069\u3046\u3084\u3063\u3066\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3093\u3060\u300d\u3068\u3044\u3046\u90e8\u5206\u306b\u3064\u3044\u3066\u5c11\u3057\u898b\u3066\u3044\u307e\u3059\u3002<\/p>\n
Trema \u5b9f\u884c\u4e2d\u306b \/sbin\/ifconfig \u3092\u5b9f\u884c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002trema-<\/em> \u3068\u3044\u3046\u540d\u524d\u306e\u3064\u3044\u305f\u4eee\u60f3 NIC \u304c\u3042\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u304c\u3001\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u8a18\u8ff0\u3057\u305f\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u3068\u4eee\u60f3\u30db\u30b9\u30c8\u304c\u63a5\u7d9a\u3059\u308b TAP \u30c7\u30d0\u30a4\u30b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\nohyama@gree:~$ \/sbin\/ifconfig \neth0      Link encap:Ethernet  HWaddr 08:00:27:ad:b9:3d\n          inet addr:192.168.122.10  Bcast:192.168.122.255  Mask:255.255.255.0\n          inet6 addr: fe80::200:ff:fe10:1011\/64 Scope:Link\n          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1\n          RX packets:684 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:437 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:1000 \n          RX bytes:72307 (70.6 KiB)  TX bytes:77933 (76.1 KiB)\n          Interrupt:11 Base address:0xe000 \n\nlo        Link encap:Local Loopback  \n          inet addr:127.0.0.1  Mask:255.0.0.0\n          inet6 addr: ::1\/128 Scope:Host\n          UP LOOPBACK RUNNING  MTU:16436  Metric:1\n          RX packets:65 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:65 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:0 \n          RX bytes:4600 (4.4 KiB)  TX bytes:4600 (4.4 KiB)\n\ntrema0-0  Link encap:Ethernet  HWaddr 92:59:85:36:e0:9f  \n          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1\n          RX packets:0 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:1000 \n          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)\n\ntrema0-1  Link encap:Ethernet  HWaddr e2:1a:1e:1e:7d:3f  \n          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1\n          RX packets:0 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:100000 \n          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)\n\ntrema1-0  Link encap:Ethernet  HWaddr ee:23:3e:37:0e:14  \n          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1\n          RX packets:0 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:1000 \n          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)\n\ntrema1-1  Link encap:Ethernet  HWaddr f6:fb:1c:c8:ae:22  \n          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1\n          RX packets:0 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:100000 \n          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)\n\nohyama@gree:~$ \n<\/pre>\n
\u3053\u3053\u3067\u3001\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u3068\u4eee\u60f3\u30db\u30b9\u30c8\u306e\u5b9f\u4f53 (\u30d7\u30ed\u30bb\u30b9) \u3092 ps \u30b3\u30de\u30f3\u30c9\u3067\u898b\u3066\u884c\u304d\u307e\u3057\u3087\u3046\u3002trema \u95a2\u9023\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
\nohyama@gree:~$ ps alx | head -1 && ps alx | grep trema\nF   UID   PID  PPID PRI  NI    VSZ   RSS WCHAN  STAT TTY        TIME COMMAND\n0     0  1847  1232  20   0  25384 22800 ?      S+   pts\/0      0:02 ruby .\/.\/bin\/trema run src\/examples\/dumper\/dumper.rb -c src\/examples\/dumper\/dumper.conf\n5     0  1856     1  20   0   3956  1888 ?      Ss   ?          0:00 \/home\/gakusei\/trema\/objects\/switch_manager\/switch_manager --daemonize --port=6653 -- port_status::Dumper packet_in::Dumper state_notify::Dumper vendor::Dumper\n5     0  1933     1  20   0   2600   744 ?      Ss   ?          2:59 \/home\/gakusei\/trema\/objects\/phost\/phost -i trema0-1 -p \/home\/gakusei\/trema\/tmp\/pid -l \/home\/gakusei\/trema\/tmp\/log -n host1 -D\n5     0  1938     1  20   0   2600   744 ?      Ss   ?          2:59 \/home\/gakusei\/trema\/objects\/phost\/phost -i trema1-1 -p \/home\/gakusei\/trema\/tmp\/pid -l \/home\/gakusei\/trema\/tmp\/log -n host2 -D\n5     0  1943     1  20   0   4268  1140 ?      Ss   ?          0:02 \/home\/gakusei\/trema\/objects\/openvswitch\/bin\/ovs-openflowd --detach --out-of-band --fail=closed --inactivity-probe=180 --rate-limit=40000 --burst-limit=20000 --pidfile=\/home\/gakusei\/trema\/tmp\/pid\/open_vswitch.dumper.pid --verbose=ANY:file:dbg --verbose=ANY:console:err --log-file=\/home\/gakusei\/trema\/tmp\/log\/openflowd.dumper.log --datapath-id=0000000000000abc --unixctl=\/home\/gakusei\/trema\/tmp\/sock\/ovs-openflowd.dumper.ctl --ports=trema0-0,trema1-0 netdev@vsw_0xabc tcp:127.0.0.1:6653\n0  1000  1961  1415  20   0   2844   676 -      S+   pts\/3      0:00 grep trema\nohyama@gree:~$\n<\/pre>\n
switch_manager \u3068\u3044\u3046\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306a\u308a\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306b\u304a\u3051\u308b OpenFlow \u30b9\u30a4\u30c3\u30c1\u304b\u3089\u306e TCP \u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3059\u3002\u307e\u305f\u30b9\u30a4\u30c3\u30c1\u304b\u3089\u9001\u3089\u308c\u3066\u304f\u308b OpenFlow \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u901a\u77e5\u3059\u308b\u51e6\u7406\u3082\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u884c\u3044\u307e\u3059\u3002\u3053\u3044\u3064\u306f\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4ed5\u4e8b\u306b\u306f\u95a2\u4e0e\u3057\u307e\u305b\u3093\u3002<\/p>\n
\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b9f\u73fe\u3059\u308b\u306e\u304c\u3001\u305d\u306e\u4e0b\u3067\u8d77\u52d5\u3059\u308b phost \u3068 ovs-openflowd \u3068\u3044\u3046\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002ovs-openflowd \u306f\u305d\u306e\u540d\u306e\u901a\u308a\u3001Open vSwitch \u306e openflow \u30b9\u30a4\u30c3\u30c1\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5b9f\u88c5\u306b\u306a\u308a\u307e\u3059\u3002Open vSwitch \u306f\u3001OpenFlow \u306e\u4ed6 SDN \u3092\u5b9f\u73fe\u3059\u308b\u69d8\u3005\u306a\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u591a\u5f69\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u3059\u304c\u3001ovs-openflowd \u306f\u3001v1.2 \u7cfb\u3067\u5b58\u5728\u3057\u305f\u30e6\u30fc\u30b6\u30e9\u30f3\u30c9\u3067\u52d5\u304f openflow \u30b9\u30a4\u30c3\u30c1\u306e\u6a5f\u80fd\u3092\u5207\u308a\u51fa\u3057\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c test-openflowd \u3068\u540d\u524d\u304c\u5909\u308f\u308a\u3001v1.3 \u7cfb\u3067\u6d88\u6ec5\u3057\u307e\u3057\u305f\u3002Trema \u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u7f6e\u304b\u308c\u3066\u3044\u308b openvswitch \u306f ovs-openflowd \u304c\u5b58\u5728\u3057\u3066\u3044\u305f\u6700\u5f8c\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u306a\u308a\u307e\u3059 (*)\u3002<\/p>\n
\u305d\u3057\u3066\u3001\u4eee\u60f3\u30db\u30b9\u30c8\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u306e\u304c phost \u3068\u3044\u3046\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u3001Trema \u304c\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u6a5f\u80fd\u3068\u3057\u3066\u306f\u3001\u975e\u5e38\u306b\u5358\u7d14\u306a\u30d1\u30b1\u30c3\u30c8\u306e\u9001\u53d7\u4fe1\u306e\u6a5f\u80fd\u3060\u3051\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u73fe\u6642\u70b9\u3067\u306f ARP \u3068 ICMP (ECHO), \u305d\u3057\u3066 UDP \u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4eee\u60f3\u30db\u30b9\u30c8\u306b\u5bfe\u3059\u308b\u64cd\u4f5c\u306f\u3001\u76f4\u63a5\u7684\u306b\u306f\u540c\u3058\u968e\u5c64\u306b\u3042\u308b cli \u30b3\u30de\u30f3\u30c9\u306b\u3088\u3063\u3066\u5b9f\u65bd\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306e\u8fba\u308a\u306e\u64cd\u4f5c\u3092 trema \u30b3\u30de\u30f3\u30c9\u304c\u30e9\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u304f\u308c\u3066\u3044\u307e\u3059\u3002cli \u30b3\u30de\u30f3\u30c9\u3092\u751f\u3067\u89e6\u308b\u3068\u3001\u307e\u3060\u8272\u3005\u3068\u6b8b\u5ff5\u306a\u76ee\u306b\u906d\u3046\u306e\u3067\u307e\u3060\u305d\u3063\u3068\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u3053\u3053\u3067 ps \u30b3\u30de\u30f3\u30c9\u306e\u7d50\u679c\u3092\u6539\u3081\u3066\u898b\u3066\u304f\u3060\u3055\u3044\u3002\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u53ca\u3073\u4eee\u60f3\u30db\u30b9\u30c8\u306e\u5b9f\u884c\u30d7\u30ed\u30bb\u30b9\u306e\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u3044\u4e8b\u304c\u308f\u304b\u3063\u3066\u3082\u3089\u3048\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u50d5\u306e\u5b9f\u884c\u74b0\u5883\u3067\u306f\u305d\u308c\u305e\u308c\u30011.1M \u3068 700K \u3057\u304b\u30e1\u30e2\u30ea\u3092\u4f7f\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u5b9f\u306b\u5c0f\u98df\u3067\u3059\u3002<\/p>\n
\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u6210\u3059\u308b\u500b\u3005\u306e\u8981\u7d20\u306e\u5b9f\u88c5\u304c\u8efd\u91cf\u306a\u306e\u3067\u3001\u30ce\u30fc\u30c8 PC \u4e00\u3064\u3067\u5927\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3092\u3082\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u4eee\u60f3\u30db\u30b9\u30c8\u306e\u4f5c\u308a\u306f\u306f\u304b\u306a\u308a\u7c21\u7d20\u3067\u3059\u304c\u3001TCP \u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u5f35\u3063\u3066\u30b4\u30cb\u30e7\u30b4\u30cb\u30e7\u3059\u308b\u3088\u3046\u306a\u691c\u8a3c\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u30db\u30b9\u30c8\u9593\u306e\u63a5\u7d9a\u6027\u3084\u7d4c\u8def\u8a2d\u5b9a\u3092\u691c\u8a3c\u3059\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u3053\u308c\u3067\u5341\u5206\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
(*) \u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u90e8\u5206\u306b\u304a\u3051\u308b\u5b9f\u88c5\u304c\u30e1\u30f3\u30c6\u3055\u308c\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u305f\u3081\u3001Trema \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f Trema \u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7528\u306e OpenFlow \u30b9\u30a4\u30c3\u30c1\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5b9f\u88c5\u3092\u6628\u5e74\u304b\u3089\u958b\u767a\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b9\u30a4\u30c3\u30c1\u306f OpenFlow v1.3.x \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u4eca\u5e74 1 \u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3001\u540c\u3058\u304f OpenFlow v1.3.x \u306b\u5bfe\u5fdc\u3057\u305f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af trema-edge \u3067\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f (Nick \u3055\u3093\u3042\u308a\u304c\u3068\u3046)\u3002 <\/I><\/p>\n
Trema \u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb : Tremashark<\/h2>\n
\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3064\u3044\u3066\u304b\u306a\u308a\u9577\u3005\u66f8\u3044\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u3067 Trema \u304c\u63d0\u4f9b\u3059\u308b\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb Tremashark \u306b\u3064\u3044\u3066\u898b\u3066\u3086\u304d\u307e\u3059\u3002<\/p>\n
Tremashark \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001@stereocat \u3055\u3093\u306e\u30d6\u30ed\u30b0<\/a> \u3067\u30cf\u30de\u308a\u6240\u3068\u305d\u306e\u5bfe\u51e6\u3082\u542b\u3081\u3001\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u304f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
Tremashark \u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u5230\u7740\u3059\u308b OpenFlow \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u89e3\u6790\u3057\u3001Wireshark \u306b\u51fa\u529b\u3059\u308b Trema \u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u306a\u308a\u307e\u3059\u3002Wireshark \u3067\u8aad\u307f\u8fbc\u307e\u305b\u308b\u70ba\u306b\u3001OpenFlow \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4e00\u65e6 libpcap \u30d5\u30a1\u30a4\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u63db\u3059\u308b\u3068\u3044\u3046\u51e6\u7406\u3092\u884c\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001OpenFlow \u30e1\u30c3\u30bb\u30fc\u30b8\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u5410\u304d\u51fa\u3059\u30ed\u30b0\u51fa\u529b\u3082 syslog \u7d4c\u7531\u3067\u540c\u6642\u306b\u8868\u793a\u3067\u304d\u308b\u6a5f\u69cb\u306b\u306a\u3063\u3066\u3044\u308b\u307f\u305f\u3044\u3067\u3059\uff08http:\/\/www.slideshare.net\/chibayasunobu\/tremashark<\/a>\uff09\u3002<\/p>\n
Tremashark \u306e\u4fbf\u5229\u306a\u6240\u306f\u3001\u7269\u7406\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u4f55\u51e6\u3067\u4f55\u304c\u3001\u4f55\u51e6\u306b\u5bfe\u3057\u3066\u3001\u4f55\u3092\u884c\u3063\u305f\u306e\u3092\u304c\u3072\u3068\u76ee\u3067\u628a\u63e1\u3067\u304d\u308b\u3068\u3053\u308d\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n
trema \u306e run \u30b3\u30de\u30f3\u30c9\u306b -s \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001Tremashark \u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u304c\u5b9f\u884c\u4f8b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n$ .\/trema run .\/src\/examples\/learning_switch\/learning-switch.rb -c .\/src\/examples\/learning_switch\/learning_switch.conf -s\n<\/pre>\n
\u4eca\u56de\u306f\u3001Trema \u306e\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u3064 learning-switch.rb \u3092\u5b9f\u884c\u3057\u307e\u3059\u3002learning-switch.rb \u306f\u3001\u5404 OpenFlow \u30b9\u30a4\u30c3\u30c1\u3092 L2 Learning Switch \u306b\u3059\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3082\u30b5\u30f3\u30d7\u30eb\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30e2\u30ce\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002-s \u30aa\u30d7\u30b7\u30e7\u30f3\u4ed8\u304d\u3067 trema run \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001objects\/tremashark\/tremashark \u3092\u8d77\u52d5\u3057\u307e\u3059\u3002\u3053\u3044\u3064\u304c\u3001OpenFlow \u30b9\u30a4\u30c3\u30c1\u304b\u3089\u4e0a\u304c\u3063\u3066\u304f\u308b OpenFlow \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066 Wireshark \u306b\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n
\u4e0b\u306e\u56f3\u306f\u3001\u4eee\u60f3\u30db\u30b9\u30c8 (host1) \u304b\u3089\u5225\u306e\u4eee\u60f3\u30db\u30b9\u30c8 (host2) \u306b\u5bfe\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u9001\u4fe1\u3092\u5b9f\u884c\u3057\u305f\u5f8c\u306e\u8868\u793a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
<\/a><\/p>\n
host1 \u304b\u3089 host2 \u5b9b\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u3001\u30b9\u30a4\u30c3\u30c1 (dpid: 0xabc) \u306b\u9001\u3089\u308c\u3001\u305d\u306e\u5f8c\u30d5\u30ed\u30fc\u30a8\u30f3\u30c8\u30ea\u306e\u30de\u30c3\u30c1\u30f3\u30b0\u306b\u5931\u6557\u3057\u3066\u3001PacketIn \u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u3089\u308c\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089\u30b9\u30a4\u30c3\u30c1\u306b PacketOut \u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u4e0b\u308a\u3066\u304f\u308b\u3068\u3044\u3046\u4e00\u9023\u306e\u51e6\u7406\u3092\u69cb\u9020\u7684\u306b\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30c7\u30d0\u30c3\u30b0\u306b\u975e\u5e38\u306b\u91cd\u5b9d\u3057\u307e\u3059\u3002<\/p>\n
\u4f59\u8ac7\u3067\u3059\u304c\u3001\u304b\u3064\u3066\u3042\u308b\u4eba\u306b\u300e\u512a\u79c0\u306a\u30d7\u30ed\u30b0\u30e9\u30de\u306f\u3001\u6c17\u5408\u3068\u6839\u6027\u3068 printf \u30c7\u30d0\u30c3\u30b0\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3051\u308b\u304c\u3001gdb \u306b\u3088\u3063\u3066\u8ab0\u3082\u304c\u540c\u3058\u4e8b\u3092\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308b\u300f\u3068\u6559\u3048\u3089\u308c\u307e\u3057\u305f\u3002\u826f\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u74b0\u5883\u306b\u306f\u3001\u826f\u3044\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb\u306f\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u8a2d\u5b9a\u304c\u8907\u96d1\u3060\u3063\u305f\u308a\u3001\u6a5f\u80fd\u3092\u6709\u52b9\u5316\u3055\u305b\u308b\u305f\u3081\u306b\u30d7\u30ed\u30bb\u30b9\u3092\u518d\u8d77\u52d5\u3055\u305b\u306a\u3051\u308c\u3070\u884c\u3051\u306a\u304b\u3063\u305f\u308a\u3068\u5236\u9650\u304c\u3044\u308d\u3044\u308d\u3068\u3042\u308a\u307e\u3059\u304c\u3001\u30c8\u30e9\u30d6\u3063\u305f\u6642\u306e\u5f37\u529b\u306a\u624b\u3068\u3057\u3066\u3001Tremashark \u306f\u529b\u3092\u767a\u63ee\u3057\u308c\u304f\u308c\u307e\u3059\u3002<\/p>\n
Trema::Pio \u306b\u3064\u3044\u3066<\/h2>\n
\u6700\u5f8c\u306b\u30c8\u30ec\u30f3\u30c7\u30a3\u306a\u8a71\u984c\u3068\u3057\u3066\u3001\u5730\u5473\u306a\u304c\u3089 Trema \u3067\u8a71\u984c\u306b\u306a\u3063\u3066\u3044\u308b Trema Pio \u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u958b\u767a\u3057\u3066\u3044\u308b\u3068\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u3067\u30d1\u30b1\u30c3\u30c8\u3092\u751f\u6210\u3057\u3066\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u306b\u6d41\u3057\u305f\u3044\u3068\u3044\u3063\u305f\u8981\u6c42\u304c\u51fa\u3066\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u5074\u304b\u3089\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u306e\u30c8\u30dd\u30ed\u30b8\u30fc\u3092\u77e5\u308a\u305f\u3044\u3068\u3044\u3063\u305f\u5834\u5408\u3084\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3069\u3093\u306a IP \u3092\u6301\u3063\u305f\u30db\u30b9\u30c8\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u4e00\u5b9a\u5468\u671f\u3067\u77e5\u308a\u305f\u3044\u3068\u3044\u3063\u305f\u5834\u5408\u3001\u66f4\u306b\u306f\u30db\u30b9\u30c8\u306e\u758e\u901a\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306a\u3069\u306a\u3069\u3002\u3053\u308c\u3089\u306b\u5bfe\u3057\u3066\u3053\u308c\u307e\u3067\u306f\u3001C \u3067 Ruby \u306e\u62e1\u5f35\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u66f8\u304f\u3001\u3042\u308b\u3044\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6c17\u5408\u3067 Ethernet \u30d5\u30ec\u30fc\u30e0\u3092\u4f5c\u3063\u3066\u9001\u308a\u51fa\u3059\u3068\u3044\u3063\u305f\u8352\u696d\u3092\u7e70\u308a\u51fa\u3059\u3068\u3044\u3063\u305f\u4e8b\u3092\u3057\u3066\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nLONG_MAX  = ( 1 << 64 ) - 1\nINT_MAX   = ( 1 << 32 ) - 1\nSHORT_MAX = ( 1 << 16 ) - 1\n\ndef header dpid, portnum, type\n    sprintf( \"%016x\", dpid & LONG_MAX ) + sprintf( \"%08x\", portnum & INT_MAX ) + sprintf( \"%04x\", type & SHORT_MAX )\nend\n\ndef padding size\n    '00' * size\nend\n\ndef send_ether_flame dpid, port, type\n    send_packet_out dpid,\n        :actions => ActionOutput.new( :port => OFPP_FLOOD ),\n        :data => [ header( dpid, port, type ) + create_payload( 50 ) ].pack( \"H*\" )\nend\n<\/pre>\n
\u3061\u306a\u307f\u3053\u3044\u3064\u306f\u3001Ethernet \u30d8\u30c3\u30c0\u306e\u9001\u4fe1\u5143\u3068\u5b9b\u5148\u7528\u306e MAC \u30a2\u30c9\u30ec\u30b9\u30d5\u30a3\u30fc\u30eb\u30c9 (12 byte) \u306e\u5148\u982d 8 byte \u90e8\u5206\u306b datapath_id \u3092\u3001\u4f59\u3063\u305f 4 byte \u90e8\u5206\u306b\u7269\u7406\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3057\u305f\u30d5\u30ec\u30fc\u30e0\u3092 OpenFlow \u30b9\u30a4\u30c3\u30c1\u306b\u9001\u308a\u51fa\u3059\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u3053\u3044\u3064\u3092\u53d7\u3051\u53d6\u3063\u305f\u5074\u3067\u5fc5\u8981\u306a\u60c5\u5831\u3092\u53d6\u308a\u51fa\u3059\u70ba\u306e\u30ed\u30b8\u30c3\u30af\u304c\u5fc5\u8981\u306b\u306a\u3063\u3066\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u3088\u3046\u306b Ethernet \u30d8\u30c3\u30c0\u306e\u30a2\u30c9\u30ec\u30b9\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u4ed5\u8fbc\u3080\u5834\u5408\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
\ndef get_dpid macsa, macda\n    ( macda.to_s.split(':') + macsa.to_s.split(':') )[0..7].join.hex\nend\n\ndef get_portnum macsa, macda\n    ( macda.to_s.split(':') + macsa.to_s.split(':') )[8..11].join.hex\nend\n\ndef packet_in dpid, msg\n    if msg.eth_type == CONTROLLER_DEFINED_TYPE\n        from_dpid = get_dpid( msg.macsa, msg.macda )\n        from_port = get_portnum( msg.macsa, msg.macda )\n\n        #...some processing...\n    else\n        #...some other processing...\n    end\nend\n<\/pre>\n
\u3053\u3053\u3067\u306f\u3001packet_in \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9001\u4fe1\u5143\u3068\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u305d\u308c\u305e\u308c\u30de\u30fc\u30b8\u3057\u3066\u30d0\u30a4\u30ca\u30ea\u306b\u5909\u63db\u3057\u3001\u5148\u982d 64 bit \u3060\u3051\u53d6\u308a\u51fa\u3057\u3066\u3001\u6570\u5024\u306b\u623b\u3059\u3068\u3044\u3046\u51e6\u7406\u3092\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u3092\u8457\u3057\u304f\u5bb3\u3057\u305f\u975e\u5e38\u306b\u30c0\u30e1\u306a\u611f\u3058\u306e\u3084\u308a\u65b9\u3067\u3059\u3002<\/p>\n
\u52a0\u3048\u3066\u3001\u3053\u3046\u3057\u305f\u30aa\u30ec\u30aa\u30ec\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u306b\u6d41\u3057\u3066\u3001\u65e2\u5b58\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306b\u5165\u3063\u305f\u308a\u306a\u3093\u304b\u3057\u3061\u3083\u3068\u3001\u30d3\u30c3\u30af\u30ea\u3055\u305b\u3066\u30a8\u30e9\u30fc\u3068\u304b\u5410\u304b\u305b\u3061\u3083\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u306e\u3067\u3001\u3053\u3053\u306f LLDP \u306a\u3069\u306e\u65e2\u5b58\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u751f\u6210\u3057\u3001\u307e\u305f\u53d6\u5f97\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u89e3\u6790\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u3067\u3059\u3002<\/p>\n
\u305d\u3053\u3067\u5f79\u306b\u7acb\u3064\u306e\u304c Trema::Pio \u3067\u3059\u3002\u4f8b\u3048\u3070\u5148\u7a0b\u306e\u30b3\u30fc\u30c9\u3092 LLDP \u30d1\u30b1\u30c3\u30c8\u3092\u9001\u308a\u51fa\u3059\u30e2\u30ce\u306b\u66f8\u304d\u63db\u3048\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 Trema Pio \u3092\u4f7f\u3046\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u3066\u3067\u304d\u307e\u3059\u3002<\/p>\n
\nrequire 'pio'\n\ndef send_ether_flame dpid, port\n    send_packet_out dpid,\n        :actions => ActionOutput.new( :port => OFPP_FLOOD ),\n        :data => Pio::Lldp.new( :dpid => dpid, :port_number => port ).to_binary\nend\n<\/pre>\n
\u90aa\u9b54\u306a\u30aa\u30ec\u30aa\u30ec\u30b3\u30fc\u30c9\u3092\u7121\u304f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u53d7\u4fe1\u5074\u306e\u30d1\u30fc\u30b9\u51e6\u7406\u306b\u304a\u3044\u3066\u3082\u540c\u69d8\u3067\u3059\u3002<\/p>\n
\nrequire 'pio'\n\ndef packet_in dpid, msg\n    if msg.lldp?\n        lldp = Pio::Lldp.read msg.data\n\n        #...some processing...\n    else\n        #...some other processing...\n    end\nend\n<\/pre>\n
\u30aa\u30ec\u30aa\u30ec\u89e3\u6790\u51e6\u7406\u306b\u52a0\u3048\u3066\u3001\u89e3\u6790\u306b\u4f34\u3046\u5224\u5b9a\u51e6\u7406\u3082\u7121\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
Trema::Pio \u306f Trema \u306e\u30b5\u30d6\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308b\u3053\u3068\u3082\u3042\u308a\u3001Trema \u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3068\u3082\u9023\u643a\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u89e3\u6790\u306b\u4f34\u3046\u5224\u5b9a\u51e6\u7406\u3082 packet_in \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30c1\u30a7\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u3067\u884c\u3048\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001CONTROLLER_DEFINED_TYPE \u306a\u3069\u3068\u3044\u3063\u305f\u9177\u305f\u3089\u3057\u3044\u3001\u5b9a\u6570\u5b9a\u7fa9\u3082\u6392\u9664\u3067\u304d\u3001\u30b3\u30fc\u30c9\u304c\u975e\u5e38\u306b\u30b9\u30c3\u30ad\u30ea\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u3053\u306e\u4ed6\u306b\u3082\u73fe\u5728\u307e\u3067\u306b ARP, ICMP \u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u4eca\u5f8c\u306f DHCP \u3084\u30bf\u30b0 VLAN \u306a\u3069\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5bfe\u5fdc\u3082\u9032\u3081\u3066\u3044\u304f\u307f\u305f\u3044\u3067\u3059\u3002<\/p>\n
\u307e\u3068\u3081<\/h1>\n
\u304b\u306a\u308a\u9577\u304f\u306a\u308a\u307e\u3057\u305f\u304c\u3001Trema \u304c\u4e00\u4f53\u3069\u3093\u306a\u30e2\u30ce\u3067\u4f55\u306b\u4f7f\u3048\u305d\u3046\u304b\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u3001\u4eca\u56de\u306e\u5185\u5bb9\u3067\u5c11\u3057\u3067\u3082\u308f\u304b\u3063\u3066\u3044\u305f\u3060\u3051\u305f\u3089\u5e78\u3044\u3067\u3059\u3002<\/p>\n
Trema \u306f\u3001\u4f55\u304b\u30aa\u30e2\u30b7\u30ed\u305d\u3046\u306a\u30c6\u30af\u30cb\u30c3\u30af\u304c\u767b\u5834\u3057\u305f\u969b\u306b\u9665\u308a\u304c\u3061\u306a\u300c\u3053\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3060\u3063\u305f\u3089\u3053\u3093\u306a\u4e8b\u51fa\u6765\u308b\u3088\u306d\u300d\u3068\u3044\u3063\u305f\u30c6\u30af\u30cb\u30c3\u30af\u5148\u884c\u578b\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u30e2\u30ce\u3092\u4f5c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u8003\u3048\u629c\u3044\u305f\u4e0a\u3067\u8a2d\u8a08\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5148\u884c\u578b\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u30e2\u30ce\u3092\u4f5c\u308b\u306e\u3067\u3001\u500b\u3005\u306e\u6a5f\u80fd\u304c\u975e\u5e38\u306b\u6d17\u7df4\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u6700\u5f8c\u306b<\/h1>\n
\u3053\u3053\u307e\u3067 OpenFlow \u306e\u8a71\u3092\u4e2d\u5fc3\u306b\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u4e16\u9593\u7684\u306b\u306f 2013 \u5e74\u306e\u4e2d\u9803\u304b\u3089\u300eSDN \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u300f\u3068\u547c\u3070\u308c\u308b\u30e2\u30ce\u304c\u767b\u5834\u3057\u3001\u73fe\u5728\u975e\u5e38\u306b\u591a\u304f\u306e\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002SDN \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u3001\u5358\u7d14\u306a\u958b\u767a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u6a5f\u80fd\u3060\u3051\u3092\u63d0\u4f9b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001Firewall \u3084 VPN, Network Isolation \u3068\u3044\u3063\u305f\u8af8\u6240\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u305f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6a5f\u80fd\u3092 REST API \u306a\u3069\u306b\u3088\u3063\u3066\u5916\u90e8\u304b\u3089\u30dd\u30ea\u30b7\u30fc\u30ec\u30d9\u30eb\u3067\u64cd\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002\u307e\u305f\u3001\u30dd\u30ea\u30b7\u30fc\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306f SDN \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3068\u9023\u643a\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3068\u3063\u3066\u306f\u4f55\u3067\u3082\u69cb\u3044\u307e\u305b\u3093\u3057\u3001\u307e\u305f\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3082\u5fc5\u305a\u3057\u3082 OpenFlow \u3060\u3051\u3067\u306f\u306a\u3044\u306e\u3067\u3001OpenFlow \u4ee5\u5916\u306e SDN \u624b\u6cd5\u3082\u53d6\u308a\u5165\u308c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
Trema \u306a\u3069\u306e OpenFlow \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001SDN \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u9023\u643a\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3046\u3057\u305f SDN \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3068\u3057\u3066\u3001OpenContrail<\/a> \u3084 OpenDaylight<\/a> \u306a\u3069\u304c\u6709\u540d\u3067\u3059\u3002
\n\u3053\u3046\u3057\u305f SDN \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c4b\u3055\u3093\u306e OpenFlow \u306b\u5bfe\u3059\u308b\u4e0d\u6e80\u306b\u4e0a\u624b\u304f\u3053\u305f\u3048\u3001\u540c\u6642\u306b\u30b7\u30b9\u30c6\u30e0\u5c4b\u3055\u3093\u306e\u8981\u6c42\u3082\u6e80\u8db3\u3055\u305b\u308b\u3001\u975e\u5e38\u306b\u5de7\u3044\u3084\u308a\u65b9\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u660e\u65e5\u306f Rubyist \u306e\u8352\u4e95\u3055\u3093\u306b\u3088\u308b Chef \u306b\u3064\u3044\u3066\u306e\u6295\u7a3f\u3067\u3059\u3002\u304a\u697d\u3057\u307f\u306b\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u3093\u306b\u3061\u306f\u3001\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u672c\u90e8\u306e\u5927\u5c71\u3067\u3059\u3002 \u3053\u306e\u30a8\u30f3\u30c8\u30ea\u306fGREE Advent Calendar 2013 22\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u306f\u3058\u3081\u306b \"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\" \u3068\u3044\u3046\u8a00\u8449\u306f\u3001\u6050\u3089\u304f\u30b7\u30b9\u30c6\u30e0\u5c4b\u3055\u3093\u306b\u3068\u3063 […]<\/p>\n","protected":false},"author":121,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[54,63,64],"class_list":["post-10198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-advent-calendar","tag-openflow","tag-trema"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/10198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/users\/121"}],"replies":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/comments?post=10198"}],"version-history":[{"count":3,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/10198\/revisions"}],"predecessor-version":[{"id":10226,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/10198\/revisions\/10226"}],"wp:attachment":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/media?parent=10198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/categories?post=10198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/tags?post=10198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}