{"id":3795,"date":"2025-09-11T17:10:22","date_gmt":"2025-09-11T09:10:22","guid":{"rendered":"https:\/\/aws-oncloudai.com\/?p=3795"},"modified":"2025-09-11T17:10:22","modified_gmt":"2025-09-11T09:10:22","slug":"aws-traffic-management-tools-choose-alb-or-api-gateway","status":"publish","type":"post","link":"https:\/\/aws-oncloudai.com\/ja\/aws\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7ba1\u7406\u30c4\u30fc\u30eb\u3067alb\u307e\u305f\u306fapi\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\/","title":{"rendered":"AWS \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7ba1\u7406\u30c4\u30fc\u30eb: ALB \u304b API Gateway \u304b?"},"content":{"rendered":"

\u30af\u30e9\u30a6\u30c9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u52b9\u679c\u7684\u306b\u7ba1\u7406\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002AWS \u3067\u306f\u3001\u6b21\u306e 2 \u3064\u306e\u4e00\u822c\u7684\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\uff08ALB\uff09<\/strong> \u305d\u3057\u3066 API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong>\u3053\u308c\u30892\u3064\u306f\u30dd\u30b8\u30b7\u30e7\u30cb\u30f3\u30b0\u3082\u6a5f\u80fd\u3082\u7570\u306a\u308a\u307e\u3059\u3002\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u9078\u3079\u3070\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n

 <\/p>\n

ALB: Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30bf\u30fc<\/h4>\n

\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\uff08ALB\uff09\u306f\u4e3b\u306b \u30ec\u30a4\u30e4\u30fc7 HTTP\/HTTPS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/strong>\u306f\u3001EC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3001\u30b3\u30f3\u30c6\u30ca\u30b5\u30fc\u30d3\u30b9\u3001\u3055\u3089\u306b\u306f\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5206\u6563\u3067\u304d\u307e\u3059\u3002\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3084\u30b3\u30f3\u30c6\u30ca\u5316\u3055\u308c\u305f\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5834\u5408\u3001ALB\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6563\u306b\u6700\u9069\u306a\u9078\u629e\u80a2\u3067\u3059\u3002<\/p>\n

\u30b3\u30a2\u30b3\u30f3\u30d4\u30c6\u30f3\u30b7\u30fc:<\/strong><\/p>\n

    \n
  • \n

    \u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>: HTTP \u30d8\u30c3\u30c0\u30fc\u60c5\u5831\u3001\u30d1\u30b9\u3001\u307e\u305f\u306f\u30db\u30b9\u30c8\u540d\u306b\u57fa\u3065\u3044\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6b63\u78ba\u306b\u5206\u5272\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

  • \n

    \u67d4\u8edf\u306a\u30eb\u30fc\u30eb<\/strong>: \u30d1\u30b9\u304a\u3088\u3073\u30db\u30b9\u30c8 \u30ec\u30d9\u30eb\u3067\u306e\u30d5\u30ed\u30fc\u5236\u5fa1\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

  • \n

    SSL\u30aa\u30d5\u30ed\u30fc\u30c9<\/strong>: SSL\/TLS \u8a3c\u660e\u66f8\u306e\u51e6\u7406\u3092\u96c6\u4e2d\u5316\u3057\u3066\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

  • \n

    \u5065\u5eb7\u30c1\u30a7\u30c3\u30af<\/strong>: \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u81ea\u52d5\u7684\u306b\u691c\u51fa\u3057\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6b63\u5e38\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u306e\u307f\u8ee2\u9001\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

  • \n

    \u5f3e\u6027\u81a8\u5f35<\/strong>: EC2 Auto Scaling \u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5909\u52d5\u306b\u3082\u5bb9\u6613\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n

    \u9069\u7528\u53ef\u80fd\u306a\u30b7\u30ca\u30ea\u30aa: \u9ad8\u3044\u540c\u6642\u5b9f\u884c\u6027\u3068\u8907\u96d1\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30ed\u30b8\u30c3\u30af\u3092\u5fc5\u8981\u3068\u3059\u308b Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u307e\u305f\u306f\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/strong>\u3002<\/p>\n

     <\/p>\n

    API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4: API\u30d5\u30a1\u30fc\u30b9\u30c8\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3078\u306e\u7384\u95a2\u53e3<\/h4>\n

    API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001 \u30d5\u30eb\u6a5f\u80fd\u306eAPI\u7ba1\u7406\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/strong>\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u69cb\u7bc9\u306b\u7279\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002AWS Lambda\u3068\u7dca\u5bc6\u306b\u7d71\u5408\u3055\u308c\u3066\u304a\u308a\u3001\u958b\u767a\u8005\u304cAPI\u30b5\u30fc\u30d3\u30b9\u3092\u8fc5\u901f\u306b\u69cb\u7bc9\u3001\u4fdd\u8b77\u3001\u62e1\u5f35\u3067\u304d\u308b\u3088\u3046\u652f\u63f4\u3057\u307e\u3059\u3002<\/p>\n

    \u30b3\u30a2\u30b3\u30f3\u30d4\u30c6\u30f3\u30b7\u30fc:<\/strong><\/p>\n

      \n
    • \n

      \u4ea4\u901a\u4fdd\u8b77<\/strong>: \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u904e\u8ca0\u8377\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306e\u30ec\u30fc\u30c8\u5236\u9650\u304a\u3088\u3073\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0 \u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n

    • \n

      \u30ea\u30af\u30a8\u30b9\u30c8\/\u30ec\u30b9\u30dd\u30f3\u30b9\u5909\u63db<\/strong>: \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u305b\u305a\u306b\u30c7\u30fc\u30bf\u5f62\u5f0f\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

    • \n

      \u591a\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>: IAM\u3001OAuth\u3001API \u30ad\u30fc\u306a\u3069\u306e\u8907\u6570\u306e\u8a8d\u8a3c\u65b9\u6cd5\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

    • \n

      \u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u7d71\u5408<\/strong>: AWS Lambda \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

    • \n

      \u5185\u8535\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>: \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u547c\u3073\u51fa\u3057\u5727\u529b\u3092\u8efd\u6e1b\u3057\u3001\u5fdc\u7b54\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n

      \u9069\u7528\u53ef\u80fd\u306a\u30b7\u30ca\u30ea\u30aa: \u5fc5\u8981 API\u99c6\u52d5\u578b\u306e\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u307e\u305f\u306f \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong> \u8981\u6c42\u306e\u53b3\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3002<\/p>\n

       <\/p>\n

      \u30b3\u30a2\u306e\u9055\u3044\u306e\u6bd4\u8f03<\/h4>\n
        \n
      • \n

        \u4ea4\u901a\u7ba1\u7406<\/strong>: ALB\u30d0\u30a4\u30a2\u30b9 Web\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u914d\u5e03<\/strong>; API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001 API\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u3002<\/p>\n<\/li>\n

      • \n

        \u6700\u9069\u306a\u7528\u9014<\/strong>\uff1aALB\u306f \u8907\u96d1\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u591a\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8<\/strong>; API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u307e\u3059 RESTful API\u3068\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/strong>\u3002<\/p>\n<\/li>\n

      • \n

        \u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong>ALB \u306f\u5927\u91cf\u306e Web \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7c21\u5358\u306b\u51e6\u7406\u3067\u304d\u3001API Gateway \u306f 1 \u79d2\u3042\u305f\u308a\u6570\u5343\u4ef6\u306e API \u547c\u3073\u51fa\u3057\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

      • \n

        \u30b3\u30b9\u30c8\u69cb\u9020<\/strong>\uff1a\u5927\u898f\u6a21\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5834\u5408\u3001ALB \u306e\u65b9\u304c\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u826f\u3044\u3067\u3059\u3002API Gateway \u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3054\u3068\u306b\u8ab2\u91d1\u3055\u308c\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5897\u3048\u308b\u307b\u3069\u6599\u91d1\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n

         <\/p>\n

        \u3069\u3046\u3084\u3063\u3066\u9078\u3076\u306e\uff1f<\/h4>\n
          \n
        • \n

          ALB\u3092\u9078\u629e<\/strong>\u30b7\u30b9\u30c6\u30e0\u304c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u91cf\u306e\u591a\u3044 Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308b\u304b\u3001\u304d\u3081\u7d30\u304b\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6563 (\u30d1\u30b9\/\u30db\u30b9\u30c8\u540d\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306a\u3069) \u3092\u5fc5\u8981\u3068\u3057\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304c EC2\u3001ECS\u3001\u307e\u305f\u306f Kubernetes \u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u5834\u5408\u3002<\/p>\n<\/li>\n

        • \n

          API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u9078\u629e<\/strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u99c6\u52d5\u578b\u3001API \u4e2d\u5fc3\u578b\u3001\u307e\u305f\u306f\u7d44\u307f\u8fbc\u307f\u306e\u30ec\u30fc\u30c8\u5236\u9650\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5236\u5fa1\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u5909\u63db\u6a5f\u80fd\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u306f\u3001\u3053\u308c\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<\/ul>\n

           <\/p>\n

          \u8981\u7d04\u3059\u308b<\/h4>\n

          ALB \u3068 API Gateway \u306f\u3069\u3061\u3089\u3082 AWS \u306e\u5f37\u529b\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7ba1\u7406\u30c4\u30fc\u30eb\u3067\u3059\u304c\u3001\u305d\u306e\u4f4d\u7f6e\u4ed8\u3051\u306f\u660e\u3089\u304b\u306b\u7570\u306a\u308a\u307e\u3059\u3002 \u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306e\u4e2d\u6838<\/strong>\u5f8c\u8005\u306f API\u7ba1\u7406\u3068\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/strong>\u6700\u7d42\u7684\u306a\u9078\u629e\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30d1\u30bf\u30fc\u30f3\u3001\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"

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