{"id":181,"date":"2026-03-09T04:14:02","date_gmt":"2026-03-09T04:14:02","guid":{"rendered":"https:\/\/blog.rebalai.com\/ko\/2026\/03\/09\/event-driven-architecture-in-2026\/"},"modified":"2026-03-10T22:30:56","modified_gmt":"2026-03-10T22:30:56","slug":"event-driven-architecture-in-2026","status":"publish","type":"post","link":"https:\/\/blog.rebalai.com\/ko\/2026\/03\/09\/event-driven-architecture-in-2026\/","title":{"rendered":"2026\ub144 \uc774\ubca4\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98: \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uac00 \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d\uc73c\ub85c \uc804\ud658\ud558\ub294 \uc774\uc720"},"content":{"rendered":"<p>\uc791\ub144 \uc774\ub9d8\ub54c\ucbe4 \uc6b0\ub9ac \ud300\uc740 \uacb0\uc81c \uc11c\ube44\uc2a4\uc640 \uc8fc\ubb38 \uc11c\ube44\uc2a4 \uc0ac\uc774\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ub370\uc774\ud130 \ubd88\uc77c\uce58 \ubb38\uc81c\ub85c \uaf64 \uace0\uc0dd\ud588\ub2e4. REST API\ub85c \ub450 \uc11c\ube44\uc2a4\ub97c \uc5f0\uacb0\ud588\ub294\ub370, \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud560 \ub54c\ub9c8\ub2e4 &#8220;\uacb0\uc81c\ub294 \ub410\ub294\ub370 \uc8fc\ubb38\uc774 \uc548 \uc0dd\uc131\ub410\uc5b4\uc694&#8221;\ub77c\ub294 \uace0\uac1d \ubb38\uc758\uac00 \uc3df\uc544\uc84c\ub2e4. \ub2f9\uc2dc\uc5d0\ub294 \uc7ac\uc2dc\ub3c4 \ub85c\uc9c1\uc744 \uac15\ud654\ud558\uace0, \ubcf4\uc0c1 \ud2b8\ub79c\uc7ad\uc158\uc744 \uad6c\ud604\ud558\uace0, \uc218\ub9ce\uc740 \uc784\uc2dc\ubc29\ud3b8\uc744 \ub367\ubd99\uc600\ub2e4. \uadf8\ub7ec\ub2e4 \uc5b4\ub290 \uc21c\uac04 \uae68\ub2ec\uc558\ub2e4. \uc6b0\ub9ac\ub294 \ub3d9\uae30\uc2dd \ud1b5\uc2e0\uc73c\ub85c\ub294 \uc808\ub300 \ud480 \uc218 \uc5c6\ub294 \ubb38\uc81c\ub97c \ub3d9\uae30\uc2dd \ubc29\ubc95\uc73c\ub85c \ud480\ub824 \ud558\uace0 \uc788\uc5c8\ub2e4.<\/p>\n<p>\uadf8\uac8c \uc6b0\ub9ac \ud300\uc774 <a href=\"https:\/\/blog.rebalai.com\/ko\/2026\/03\/09\/event-driven-architecture-in-2026-why-microservice\/\" title=\"\uc774\ubca4\ud2b8 \uae30\ubc18\">\uc774\ubca4\ud2b8 \uae30\ubc18<\/a> \uc544\ud0a4\ud14d\ucc98\ub85c \ubcf8\uaca9 \uc804\ud658\ud55c \uacc4\uae30\uc600\ub2e4.<\/p>\n<hr \/>\n<h2>\ub3d9\uae30\uc2dd \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uc758 \uadfc\ubcf8\uc801\uc778 \ubb38\uc81c<\/h2>\n<p>\ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\ub97c \ucc98\uc74c \ub3c4\uc785\ud560 \ub54c \ub300\ubd80\ubd84\uc758 \ud300\uc774 \uae30\uc874 \ubaa8\ub180\ub9ac\uc2dd \uc0ac\uace0\ubc29\uc2dd\uc744 \uadf8\ub300\ub85c \uac00\uc838\uc628\ub2e4. \uc11c\ube44\uc2a4\ub9cc \ubd84\ub9ac\ud588\uc744 \ubfd0, \ud1b5\uc2e0 \ubc29\uc2dd\uc740 \uc5ec\uc804\ud788 &#8220;A\uac00 B\ub97c \ud638\ucd9c\ud55c\ub2e4&#8221;\ub294 \uad6c\uc870\ub2e4. HTTP REST, gRPC \ubaa8\ub450 \ubcf8\uc9c8\uc801\uc73c\ub85c \uac19\uc740 \ubb38\uc81c\ub97c \uc548\uace0 \uc788\ub2e4\u2014\ud638\ucd9c\ud558\ub294 \uc21c\uac04 \ub450 \uc11c\ube44\uc2a4\uac00 \uacb0\ud569\ub41c\ub2e4.<\/p>\n<p>\ub0b4\uac00 \uacaa\uc740 \uac00\uc7a5 \uace0\ud1b5\uc2a4\ub7ec\uc6b4 \uc21c\uac04\uc740 \ud558\ub098\uc758 \uc0ac\uc6a9\uc790 \uc694\uccad\uc774 7\uac1c \uc11c\ube44\uc2a4\ub97c \uc21c\ucc28 \ud638\ucd9c\ud558\ub294 \ud750\ub984\uc774\uc5c8\ub2e4. \uac01 \uc11c\ube44\uc2a4\uc758 \uac00\uc6a9\uc131\uc774 99.9%\ub77c\uace0 \ud574\ub3c4, 7\uac1c\ub97c \uc9c1\ub82c\ub85c \uc5f0\uacb0\ud558\uba74 \uc804\uccb4 \uac00\uc6a9\uc131\uc740 99.3%\ub85c \ub5a8\uc5b4\uc9c4\ub2e4. \uc774\ub860\uc801\uc73c\ub85c\ub294 \uadf8\ub807\ub2e4. \uc2e4\uc81c\ub85c\ub294 \ub354 \ub098\ube74\ub2e4.<\/p>\n<p>\ubb38\uc81c\ub294 \ub2e8\uc21c\ud788 \uac00\uc6a9\uc131\ub9cc\uc774 \uc544\ub2c8\ub2e4. \ub3d9\uae30 \ud638\ucd9c \uccb4\uc778\uc5d0\uc11c\ub294 \uc138 \uac00\uc9c0\uac00 \ub3d9\uc2dc\uc5d0 \ub9dd\uac00\uc9c4\ub2e4.<\/p>\n<ul>\n<li><strong>\uc2dc\uac04\uc801 \uacb0\ud569<\/strong>: \ud638\ucd9c\ubc1b\ub294 \uc11c\ube44\uc2a4\uac00 \ubc18\ub4dc\uc2dc \uadf8 \uc21c\uac04\uc5d0 \uc0b4\uc544\uc788\uc5b4\uc57c \ud55c\ub2e4<\/li>\n<li><strong>\uac15\ud55c \uc758\uc874\uc131<\/strong>: \uc751\ub2f5 \uc2a4\ud0a4\ub9c8\uac00 \ubc14\ub00c\uba74 \ud638\ucd9c\ud558\ub294 \ucabd\ub3c4 \ud568\uaed8 \ubc14\uafd4\uc57c \ud55c\ub2e4<\/li>\n<li><strong>\ud655\uc7a5 \uc5b4\ub824\uc6c0<\/strong>: \ubcd1\ubaa9 \uc11c\ube44\uc2a4 \ud558\ub098\uac00 \uc804\uccb4 \ucc98\ub9ac\ub7c9\uc744 \uc81c\ud55c\ud55c\ub2e4<\/li>\n<\/ul>\n<p>\uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d\uc740 \uc774 \uc138 \uac00\uc9c0\ub97c \ud55c\uaebc\ubc88\uc5d0 \uac74\ub4dc\ub9b0\ub2e4. \uc644\uc804\ud788 \ud574\uacb0\ud55c\ub2e4\uace0\ub294 \ubabb \ud558\uaca0\uc9c0\ub9cc\u2014\uc0c8\ub85c\uc6b4 \ubb38\uc81c\uac00 \uc0dd\uae30\ub2c8\uae4c\u2014\uc801\uc5b4\ub3c4 \ub3d9\uae30 \ud638\ucd9c\uc774 \ub9cc\ub4dc\ub294 \uacb0\ud569 \uad6c\uc870\uc5d0\uc11c\ub294 \ubc97\uc5b4\ub0a0 \uc218 \uc788\ub2e4.<\/p>\n<hr \/>\n<h2>\uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d\uc774 \ub2e4\ub978 \uc774\uc720<\/h2>\n<p>\uc774\ubca4\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98\uc758 \ud575\uc2ec\uc740 \uac04\ub2e8\ud558\ub2e4. \uc11c\ube44\uc2a4\uac00 &#8220;\ubb34\uc5b8\uac00 \uc77c\uc5b4\ub0ac\ub2e4&#8221;\ub294 \uc0ac\uc2e4\uc744 \uc774\ubca4\ud2b8\ub85c \ubc1c\ud589\ud558\uace0, \uadf8 \uc774\ubca4\ud2b8\uc5d0 \uad00\uc2ec \uc788\ub294 \uc11c\ube44\uc2a4\uac00 \uad6c\ub3c5\ud574\uc11c \ubc18\uc751\ud55c\ub2e4. \uc0dd\uc0b0\uc790\ub294 \uc18c\ube44\uc790\uac00 \ub204\uad6c\uc778\uc9c0 \ubaa8\ub978\ub2e4. \uc18c\ube44\uc790\ub294 \uc0dd\uc0b0\uc790\uac00 \uc5b8\uc81c \uc774\ubca4\ud2b8\ub97c \ubc1c\ud589\ud588\ub294\uc9c0 \uc2e0\uacbd \uc4f0\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n<p>\uc55e\uc11c \ub9d0\ud55c \uacb0\uc81c-\uc8fc\ubb38 \ubb38\uc81c\ub85c \ub3cc\uc544\uac00 \ubcf4\uc790. \uc774\ubca4\ud2b8 \uae30\ubc18\uc73c\ub85c \ubc14\uafb8\uba74 \ud750\ub984\uc774 \uc774\ub807\uac8c \ub41c\ub2e4.<\/p>\n<pre><code class=\"language-python\"># \uacb0\uc81c \uc11c\ube44\uc2a4 - \uc774\ubca4\ud2b8 \ubc1c\ud589\nfrom confluent_kafka import Producer\nimport json\n\ndef process_payment(payment_data: dict) -&gt; dict:\n    # \uacb0\uc81c \ucc98\ub9ac \ub85c\uc9c1\n    result = payment_gateway.charge(payment_data)\n\n    if result.success:\n        event = {\n            &quot;event_type&quot;: &quot;payment.completed&quot;,\n            &quot;payment_id&quot;: result.payment_id,\n            &quot;user_id&quot;: payment_data[&quot;user_id&quot;],\n            &quot;amount&quot;: payment_data[&quot;amount&quot;],\n            &quot;timestamp&quot;: result.completed_at.isoformat(),\n            &quot;correlation_id&quot;: payment_data[&quot;correlation_id&quot;]\n        }\n\n        producer.produce(\n            topic=&quot;payment-events&quot;,\n            key=str(payment_data[&quot;user_id&quot;]),\n            value=json.dumps(event),\n            callback=delivery_report\n        )\n        producer.flush()\n\n    return result\n\n# \uc8fc\ubb38 \uc11c\ube44\uc2a4 - \uc774\ubca4\ud2b8 \uad6c\ub3c5\nfrom confluent_kafka import Consumer\n\nconsumer = Consumer({\n    &quot;bootstrap.servers&quot;: &quot;kafka-cluster:9092&quot;,\n    &quot;group.id&quot;: &quot;order-service&quot;,\n    &quot;auto.offset.reset&quot;: &quot;earliest&quot;,\n    # \uc911\uc694: enable.auto.commit\uc744 False\ub85c \uc124\uc815\n    # \ucc98\ub9ac \uc644\ub8cc \ud6c4 \uc218\ub3d9\uc73c\ub85c \ucee4\ubc0b\ud574\uc57c at-least-once \ubcf4\uc7a5\n    &quot;enable.auto.commit&quot;: False\n})\n\nconsumer.subscribe([&quot;payment-events&quot;])\n\nwhile True:\n    msg = consumer.poll(timeout=1.0)\n    if msg is None:\n        continue\n\n    event = json.loads(msg.value())\n\n    if event[&quot;event_type&quot;] == &quot;payment.completed&quot;:\n        try:\n            create_order(event)\n            consumer.commit()  # \ucc98\ub9ac \uc131\uacf5 \ud6c4\uc5d0\ub9cc \ucee4\ubc0b\n        except Exception as e:\n            # \uc2e4\ud328 \uc2dc \ucee4\ubc0b\ud558\uc9c0 \uc54a\uc74c -&gt; \uc7ac\ucc98\ub9ac \ubcf4\uc7a5\n            logger.error(f&quot;\uc8fc\ubb38 \uc0dd\uc131 \uc2e4\ud328: {e}&quot;)\n            # Dead Letter Queue\ub85c \ubcf4\ub0b4\uac70\ub098 \uc54c\ub9bc \ubc1c\uc1a1\n<\/code><\/pre>\n<p>\uc8fc\ubb38 \uc11c\ube44\uc2a4\ub294 \uacb0\uc81c \uc11c\ube44\uc2a4\uac00 \uc0b4\uc544\uc788\ub294\uc9c0 \uc2e0\uacbd \uc4f0\uc9c0 \uc54a\ub294\ub2e4. Kafka\uac00 \uba54\uc2dc\uc9c0\ub97c \ubcf4\uad00\ud558\uace0 \uc788\uc73c\ub2c8, \uc8fc\ubb38 \uc11c\ube44\uc2a4\uac00 \uc7a0\uae50 \ub2e4\uc6b4\ub410\ub2e4 \uc62c\ub77c\uc640\ub3c4 \ubc00\ub9b0 \uc774\ubca4\ud2b8\ub97c \ucc98\ub9ac\ud558\uba74 \ub41c\ub2e4. &#8220;\uacb0\uc81c\ub294 \ub410\ub294\ub370 \uc8fc\ubb38\uc774 \uc548 \uc0dd\uc131\ub410\uc5b4\uc694&#8221; \ubb38\uc758\uac00 \uad6c\uc870\uc801\uc73c\ub85c \uc0ac\ub77c\uc9c4\ub2e4.<\/p>\n<hr \/>\n<h2>\ub0b4\uac00 \uc2e4\uc81c\ub85c \uc800\uc9c0\ub978 \uc2e4\uc218\ub4e4<\/h2>\n<p>\uc774\ubca4\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98\uac00 \uc88b\ub2e4\ub294 \uac74 \uc54c\uaca0\ub294\ub370, \ub9c9\uc0c1 \ub3c4\uc785\ud558\uba74 \uc0c8\ub85c\uc6b4 \uc885\ub958\uc758 \ubb38\uc81c\ub4e4\uc774 \uc0dd\uae34\ub2e4. \ub0b4\uac00 \uc9c1\uc811 \uacaa\uc740 \uc2e4\uc218\ub97c \uc194\uc9c1\ud558\uac8c \uc815\ub9ac\ud588\ub2e4.<\/p>\n<p><strong>\uccab \ubc88\uc9f8 \uc2e4\uc218: \uc774\ubca4\ud2b8 \uc2a4\ud0a4\ub9c8\ub97c \ubb34\uc2dc\ud588\ub2e4.<\/strong><\/p>\n<p>\ucc98\uc74c\uc5d0\ub294 \uc774\ubca4\ud2b8\ub97c \uadf8\ub0e5 \ub515\uc154\ub108\ub9ac\ub85c \ubc1c\ud589\ud588\ub2e4. \ud544\ub4dc \ud558\ub098 \ucd94\uac00\ud560 \ub54c\ub9c8\ub2e4 \uc18c\ube44\uc790 \ucf54\ub4dc\ub3c4 \uac19\uc774 \ubc14\uafb8\ub294 \uac8c \uadc0\ucc2e\uc544\uc11c \ub290\uc2a8\ud558\uac8c \uc6b4\uc601\ud588\ub2e4. \uc138 \ub2ec \ud6c4, \uc5b4\ub5a4 \uc774\ubca4\ud2b8\uc5d0 \uc5b4\ub5a4 \ud544\ub4dc\uac00 \uc788\ub294\uc9c0 \uc544\ubb34\ub3c4 \ubab0\ub790\ub2e4. \uc11c\ube44\uc2a4\uac00 10\uac1c\ub85c \ub298\uc5b4\ub098\uc790 \uc2a4\ud0a4\ub9c8 \ubd88\uc77c\uce58\ub85c \uc778\ud55c \uc7a5\uc560\uac00 \uc6d4 2-3\ud68c\uc529 \ubc1c\uc0dd\ud588\ub2e4.<\/p>\n<p>\ud574\uacb0\ucc45\uc740 Confluent Schema Registry\uc640 Avro\ub97c \ub3c4\uc785\ud558\ub294 \uac83\uc774\uc5c8\ub2e4. \uc2a4\ud0a4\ub9c8\ub97c \uac15\uc81c\ud558\ub2c8 \ud638\ud658\uc131 \ubb38\uc81c\uac00 <a href=\"https:\/\/m.do.co\/c\/06956e5e2802\" title=\"DigitalOcean\uc73c\ub85c \ubc30\ud3ec\ud558\uae30\" rel=\"nofollow sponsored\" target=\"_blank\">\ubc30\ud3ec<\/a> \uc804\uc5d0 \uc7a1\ud614\ub2e4. \uadc0\ucc2e\ub354\ub77c\ub3c4 \uc2a4\ud0a4\ub9c8 \ub808\uc9c0\uc2a4\ud2b8\ub9ac\ub294 \ucc98\uc74c\ubd80\ud130 \ub3c4\uc785\ud558\uae38 \uac15\ub825\ud788 \uad8c\ud55c\ub2e4.<\/p>\n<p><strong>\ub450 \ubc88\uc9f8 \uc2e4\uc218: \uc774\ubca4\ud2b8 \uc21c\uc11c\ub97c \ub2f9\uc5f0\ud558\uac8c \uc0dd\uac01\ud588\ub2e4.<\/strong><\/p>\n<p>Kafka\ub294 \ud30c\ud2f0\uc158 \ub0b4\uc5d0\uc11c\ub9cc \uc21c\uc11c\ub97c \ubcf4\uc7a5\ud55c\ub2e4. \uac19\uc740 \uc0ac\uc6a9\uc790\uc758 \uc774\ubca4\ud2b8\ub97c \uc5ec\ub7ec \ud30c\ud2f0\uc158\uc5d0 \ubd84\uc0b0\uc2dc\ucf30\ub354\ub2c8, <code>account.created<\/code> \uc774\ubca4\ud2b8\ubcf4\ub2e4 <code>account.updated<\/code> \uc774\ubca4\ud2b8\uac00 \uba3c\uc800 \ub3c4\ucc29\ud558\ub294 \uc0c1\ud669\uc774 \uc0dd\uacbc\ub2e4. \uc18c\ube44\uc790\uac00 \uc5c5\ub370\uc774\ud2b8\ud560 \uacc4\uc815\uc744 \ucc3e\uc9c0 \ubabb\ud574 \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud588\ub2e4\u2014\uc774\uac78 <a href=\"https:\/\/m.do.co\/c\/06956e5e2802\" title=\"DigitalOcean \ud504\ub85c\ub355\uc158 \ud074\ub77c\uc6b0\ub4dc\" rel=\"nofollow sponsored\" target=\"_blank\">\ud504\ub85c\ub355\uc158<\/a>\uc5d0\uc11c \ubc1c\uacac\ud588\ub2e4\ub294 \uac8c \uc9c0\uae08 \uc0dd\uac01\ud574\ub3c4 \uc544\ucc14\ud558\ub2e4.<\/p>\n<p>\uac19\uc740 \uc5d4\ud2f0\ud2f0\uc758 \uc774\ubca4\ud2b8\ub294 \ubc18\ub4dc\uc2dc \uac19\uc740 \ud30c\ud2f0\uc158\uc73c\ub85c \ubcf4\ub0b4\uc57c \ud55c\ub2e4. \uc704 \ucf54\ub4dc\uc5d0\uc11c <code>key=str(payment_data[\"user_id\"])<\/code>\ub85c \uc124\uc815\ud55c \uc774\uc720\uac00 \ubc14\ub85c \uc774\uac83\uc774\ub2e4. \uac19\uc740 <code>user_id<\/code>\ub294 \ud56d\uc0c1 \uac19\uc740 \ud30c\ud2f0\uc158\uc73c\ub85c \uac04\ub2e4.<\/p>\n<p><strong>\uc138 \ubc88\uc9f8 \uc2e4\uc218: \uba71\ub4f1\uc131\uc744 \uace0\ub824\ud558\uc9c0 \uc54a\uc558\ub2e4.<\/strong><\/p>\n<p><code>at-least-once<\/code> \uc804\ub2ec \ubc29\uc2dd\uc5d0\uc11c \uc774\ubca4\ud2b8\ub294 \uc911\ubcf5 \ub3c4\ucc29\ud560 \uc218 \uc788\ub2e4. \uc18c\ube44\uc790\uac00 \uc774\ubca4\ud2b8\ub97c \ucc98\ub9ac\ud558\uace0 \ucee4\ubc0b\ud558\uae30 \uc9c1\uc804\uc5d0 \uc8fd\uc73c\uba74, \uc7ac\uc2dc\uc791 \ud6c4 \uac19\uc740 \uc774\ubca4\ud2b8\ub97c \ub2e4\uc2dc \ubc1b\ub294\ub2e4. \ucc98\uc74c\uc5d0\ub294 \uc774 \uc0ac\uc2e4\uc744 \ubab0\ub77c\uc11c \uacb0\uc81c\uac00 \ub450 \ubc88 \ucc98\ub9ac\ub418\ub294 \uc2ec\uac01\ud55c \ubc84\uadf8\uac00 \ubc1c\uc0dd\ud588\ub2e4. \uace0\uac1d \uc785\uc7a5\uc5d0\uc11c\ub294 \uac19\uc740 \uae08\uc561\uc774 \ub450 \ubc88 \ube60\uc838\ub098\uac04 \uac83\uc774\uace0\u2014\ub2f9\uc5f0\ud788 \ub09c\ub9ac\uac00 \ub0ac\ub2e4.<\/p>\n<p>\uc18c\ube44\uc790 \ub85c\uc9c1\uc740 \ubc18\ub4dc\uc2dc \uba71\ub4f1\ud558\uac8c \uc124\uacc4\ud574\uc57c \ud55c\ub2e4. \uac19\uc740 <code>event_id<\/code>\ub85c \ucc98\ub9ac \uc5ec\ubd80\ub97c \uccb4\ud06c\ud558\uac70\ub098, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc720\ub2c8\ud06c \uc81c\uc57d\uc744 \ud65c\uc6a9\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \uc911\ubcf5 \ucc98\ub9ac\ub97c \ub9c9\uc544\uc57c \ud55c\ub2e4.<\/p>\n<hr \/>\n<h2>\uc774\ubca4\ud2b8 \uc18c\uc2f1\uacfc CQRS: \ub354 \uae4a\uc774 \ub4e4\uc5b4\uac00\uba74<\/h2>\n<p>\uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d\uc744 \ub3c4\uc785\ud558\ub2e4 \ubcf4\uba74 \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc774\ubca4\ud2b8 \uc18c\uc2f1(Event Sourcing)\uacfc CQRS(Command Query Responsibility Segregation) \ud328\ud134\uc744 \ub9cc\ub098\uac8c \ub41c\ub2e4. \ucc98\uc74c\uc5d4 \uacfc\ud558\ub2e4\uace0 \uc0dd\uac01\ud588\ub2e4. \uc9c0\uae08\uc740 \uc801\ud569\ud55c \ub3c4\uba54\uc778\uc5d0\uc11c\ub294 \uc774 \ud328\ud134\uc774 \uc815\ub9d0 \uac15\ub825\ud558\ub2e4\uace0 \ub290\ub080\ub2e4.<\/p>\n<p>\uc774\ubca4\ud2b8 \uc18c\uc2f1\uc758 \ud575\uc2ec \uc544\uc774\ub514\uc5b4\ub294 \ud604\uc7ac \uc0c1\ud0dc \ub300\uc2e0 \uc0c1\ud0dc \ubcc0\ud654 \uc774\ub825\uc744 \uc800\uc7a5\ud558\ub294 \uac83\uc774\ub2e4. \uacc4\uc88c \uc794\uc561\uc744 <code>balance: 50000<\/code>\uc73c\ub85c \uc800\uc7a5\ud558\ub294 \ub300\uc2e0, <code>\uc785\uae08 100000<\/code>, <code>\ucd9c\uae08 30000<\/code>, <code>\ucd9c\uae08 20000<\/code>\uc774\ub77c\ub294 \uc774\ubca4\ud2b8\ub97c \uc800\uc7a5\ud55c\ub2e4. \ud604\uc7ac \uc794\uc561\uc740 \uc774\ubca4\ud2b8\ub97c \uc21c\uc11c\ub300\ub85c \uc7ac\uc0dd\ud574\uc11c \uacc4\uc0b0\ud55c\ub2e4.<\/p>\n<p>\uc774\uc810\uc740 \uc0c1\ub2f9\ud558\ub2e4. \uc5b8\uc81c, \uc5b4\ub5bb\uac8c \ud604\uc7ac \uc0c1\ud0dc\uac00 \ub410\ub294\uc9c0 \uc644\ubcbd\ud55c \uac10\uc0ac \ub85c\uadf8\uac00 \uc0dd\uae34\ub2e4. \ud2b9\uc815 \uc2dc\uc810\uc73c\ub85c \uc0c1\ud0dc\ub97c \ub418\ub3cc\ub9ac\ub294 \uac8c \uc26c\uc6cc\uc9c4\ub2e4. \ube44\uc988\ub2c8\uc2a4 \uc774\ubca4\ud2b8\uac00 \uba85\uc2dc\uc801\uc73c\ub85c \ucf54\ub4dc\uc5d0 \ud45c\ud604\ub418\uc5b4 \ub3c4\uba54\uc778 \uc804\ubb38\uac00\uc640 \uc18c\ud1b5\ud558\uae30\ub3c4 \uc88b\uc544\uc9c4\ub2e4.<\/p>\n<p>\ub2e8\uc810\ub3c4 \ubd84\uba85\ud558\ub2e4. \uc774\ubca4\ud2b8\uac00 \uc313\uc77c\uc218\ub85d \ud604\uc7ac \uc0c1\ud0dc \uacc4\uc0b0\uc774 \ub290\ub824\uc9c4\ub2e4. \uc774\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uc2a4\ub0c5\uc0f7\uc744 \uc8fc\uae30\uc801\uc73c\ub85c \uc800\uc7a5\ud558\ub294\ub370, \uc774 \uc790\uccb4\uac00 \ub610 \ubcf5\uc7a1\ub3c4\ub97c \ub192\uc778\ub2e4. \ud300 \uc804\uccb4\uac00 \uc774\ubca4\ud2b8 \uc18c\uc2f1\uc758 \uac1c\ub150\uc744 \uc774\ud574\ud574\uc57c \ucf54\ub4dc\ub97c \uc81c\ub300\ub85c \uc9e4 \uc218 \uc788\ub2e4. \ud559\uc2b5 \uace1\uc120\uc774 \uac00\ud30c\ub974\ub2e4.<\/p>\n<p>\ub0b4 \uacbd\ud5d8\uc0c1 \uc774\ubca4\ud2b8 \uc18c\uc2f1\uc774 \ube5b\uc744 \ubc1c\ud558\ub294 \uc601\uc5ed\uc740 \uae08\uc735 \uac70\ub798, \uc8fc\ubb38 \uc774\ub825, \uac10\uc0ac \ub85c\uadf8\uac00 \uc911\uc694\ud55c \ub3c4\uba54\uc778\uc774\ub2e4. \ub2e8\uc21c\ud55c CRUD \uc11c\ube44\uc2a4\uc5d0 \uc5b5\uc9c0\ub85c \uc801\uc6a9\ud558\uba74 \uc624\ud788\ub824 \ubcf5\uc7a1\ub3c4\ub9cc \ub298\uc5b4\ub09c\ub2e4.<\/p>\n<hr \/>\n<h2>2026\ub144\uc5d0 \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d\uc744 \uc5b4\ub5bb\uac8c \uc811\uadfc\ud574\uc57c \ud558\ub098<\/h2>\n<p>\uc194\uc9c1\ud788 \ub9d0\ud558\uba74, <a href=\"https:\/\/blog.rebalai.com\/ko\/2026\/03\/09\/event-driven-architecture-in-2026-why-microservice\/\" title=\"\uc774\ubca4\ud2b8 \uae30\ubc18\">\uc774\ubca4\ud2b8 \uae30\ubc18<\/a> \uc544\ud0a4\ud14d\ucc98\uac00 \ubaa8\ub4e0 \ubb38\uc81c\uc758 \ub2f5\uc740 \uc544\ub2c8\ub2e4. \ub0b4\uac00 \uc774 \uae00\uc744 \uc4f0\ub294 \uc774\uc720\ub294 &#8220;\ub2e4\ub4e4 \uc774\uac78 \uc368\uc57c \ud55c\ub2e4&#8221;\uac00 \uc544\ub2c8\ub77c, \uc5b8\uc81c \uc368\uc57c \ud558\ub294\uc9c0\ub97c \uba85\ud655\ud788 \ud558\uace0 \uc2f6\uc5b4\uc11c\ub2e4.<\/p>\n<p>\uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d\uc774 \uc9c4\uc9dc \ud6a8\uacfc\uc801\uc778 \uc0c1\ud669\uc774 \uc788\ub2e4.<\/p>\n<p>\uc11c\ube44\uc2a4 \uac04 \uacb0\ud569\uc744 \ub04a\uace0 \uc2f6\uc744 \ub54c. \ud2b9\ud788 \ub3c4\uba54\uc778\uc774 \uba85\ud655\ud788 \ubd84\ub9ac\ub3fc \uc788\uace0, \uc774\ubca4\ud2b8 \ubc1c\ud589\uc790\uac00 \uc18c\ube44\uc790\ub97c \uc54c \ud544\uc694\uac00 \uc5c6\uc744 \ub54c. \ubc30\ub2ec \ud50c\ub7ab\ud3fc\uc5d0\uc11c \uc8fc\ubb38\uc774 \uc0dd\uc131\ub418\uba74 \uc54c\ub9bc \uc11c\ube44\uc2a4, \ubc30\ub2ec\uae30\uc0ac \ubc30\uc815 \uc11c\ube44\uc2a4, \uc815\uc0b0 \uc11c\ube44\uc2a4\uac00 \uac01\uc790 \uc54c\uc544\uc11c \ubc18\uc751\ud558\ub294 \uad6c\uc870\uac00 \uc88b\uc740 \uc608\ub2e4.<\/p>\n<p>\ucc98\ub9ac\ub7c9\uc774 \ud3ed\ubc1c\uc801\uc73c\ub85c \uc99d\uac00\ud558\ub294 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c\ub3c4 \ud6a8\uacfc\uc801\uc774\ub2e4. Kafka\ub294 \ud30c\ud2f0\uc158\uc744 \ub298\ub9ac\ub294 \uac83\ub9cc\uc73c\ub85c \ucc98\ub9ac\ub7c9\uc744 \uc120\ud615\uc73c\ub85c \ud655\uc7a5\ud560 \uc218 \uc788\ub2e4. REST API \uae30\ubc18 \ub3d9\uae30 \ud638\ucd9c\ub85c\ub294 \uc774\ub7f0 \ud655\uc7a5\uc774 \ud6e8\uc52c \uc5b4\ub835\ub2e4.<\/p>\n<p>\ubc18\ub300\ub85c, \uac15\ud55c \uc77c\uad00\uc131\uc774 \uc989\uac01\uc801\uc73c\ub85c \ud544\uc694\ud55c \uacbd\uc6b0\ub77c\uba74 \ud53c\ud574\uc57c \ud55c\ub2e4. &#8220;\uacb0\uc81c \ud6c4 \uc989\uc2dc \uc7ac\uace0 \ucc28\uac10\uc774 \ubc18\uc601\ub41c \ud654\uba74\uc744 \ubcf4\uc5ec\uc918\uc57c \ud55c\ub2e4&#8221;\uba74 \uc774\ubca4\ud2b8 \uae30\ubc18\uc758 \ucd5c\uc885 \uc77c\uad00\uc131(eventual consistency)\uc740 UX \ubb38\uc81c\ub97c \ub0b3\ub294\ub2e4. \uc774 \uacbd\uc6b0 \ubd84\uc0b0 \ud2b8\ub79c\uc7ad\uc158\uc744 \ud53c\ud558\uae30 \uc704\ud55c \ub3c4\uba54\uc778 \ubaa8\ub378 \uc7ac\uc124\uacc4\ub098 SAGA \ud328\ud134\uc744 \uc2e0\uc911\ud558\uac8c \uac80\ud1a0\ud574\uc57c \ud55c\ub2e4.<\/p>\n<p>\ud300 \uc5ed\ub7c9\ub3c4 \ud604\uc2e4\uc801\uc73c\ub85c \uace0\ub824\ud574\uc57c \ud55c\ub2e4. Kafka \ud074\ub7ec\uc2a4\ud130 \uc6b4\uc601\uc740 \uc0dd\uac01\ubcf4\ub2e4 \ub9ce\uc740 \uc778\ud504\ub77c \uc9c0\uc2dd\uc744 \uc694\uad6c\ud55c\ub2e4. \ud30c\ud2f0\uc158 \ub9ac\ubc38\ub7f0\uc2f1, \ucee8\uc288\uba38 \uadf8\ub8f9 \uad00\ub9ac, \uc624\ud504\uc14b \ubaa8\ub2c8\ud130\ub9c1, \ub808\ud50c\ub9ac\ucf00\uc774\uc158 \uc124\uc815\u2026 <a href=\"https:\/\/m.do.co\/c\/06956e5e2802\" title=\"DigitalOcean \ud074\ub77c\uc6b0\ub4dc \ud638\uc2a4\ud305\" rel=\"nofollow sponsored\" target=\"_blank\">\ud074\ub77c\uc6b0\ub4dc<\/a> \ub9e4\ub2c8\uc9c0\ub4dc \uc11c\ube44\uc2a4(<a href=\"https:\/\/aws.amazon.com\/?tag=synsun0f-20\" title=\"Amazon Web Services (AWS) Cloud Platform\" rel=\"nofollow sponsored\" target=\"_blank\">AWS<\/a> MSK, Confluent Cloud)\ub97c \uc4f0\uba74 \ubd80\ub2f4\uc774 \ub9ce\uc774 \uc904\uc9c0\ub9cc, \uc5ec\uc804\ud788 \uae30\ubcf8 \uac1c\ub150\uc740 \ud300\uc774 \uc219\uc9c0\ud574\uc57c \ud55c\ub2e4.<\/p>\n<p>\ucd5c\uadfc\uc5d0 \uc8fc\ubaa9\ubc1b\ub294 \ud750\ub984 \ud558\ub098\ub294 Kafka \ub300\uc2e0 Pulsar\ub098 Redpanda\ub97c \uc120\ud0dd\ud558\ub294 \ud300\uc774 \ub298\uace0 \uc788\ub2e4\ub294 \uc810\uc774\ub2e4. Redpanda\ub294 JVM \uc5c6\uc774 C++\ub85c \uc791\uc131\ub418\uc5b4 \uc6b4\uc601 \ubcf5\uc7a1\ub3c4\uac00 \ub0ae\uace0 \ub808\uc774\ud134\uc2dc\uac00 \ub6f0\uc5b4\ub098\ub2e4. \uc6b0\ub9ac \ud300\ub3c4 \uc2e0\uaddc \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c Redpanda\ub97c \ud3c9\uac00 \uc911\uc774\ub2e4. Kafka API \ud638\ud658\uc774 \ub418\ub2c8 \uae30\uc874 \ud074\ub77c\uc774\uc5b8\ud2b8 \ucf54\ub4dc\ub97c \uadf8\ub300\ub85c \uc4f8 \uc218 \uc788\uc5b4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ubd80\ub2f4\ub3c4 \uc801\ub2e4.<\/p>\n<hr \/>\n<h2>\ub9c8\uce58\uba70<\/h2>\n<p>\uc774 \uc804\ud658\uc744 \uac70\uce58\uba74\uc11c \ub2e8\uc21c\ud788 \uae30\uc220 \uc2a4\ud0dd\uc774 \ubc14\ub010 \uac8c \uc544\ub2c8\uc5c8\ub2e4. \uc11c\ube44\uc2a4 \uac04 \uad00\uacc4\ub97c \ubc14\ub77c\ubcf4\ub294 \uad00\uc810\uc774 \ub2ec\ub77c\uc84c\ub2e4. &#8220;A \uc11c\ube44\uc2a4\uac00 B \uc11c\ube44\uc2a4\ub97c \ud638\ucd9c\ud55c\ub2e4&#8221;\ub294 \uba85\ub839\ud615 \uc0ac\uace0\uc5d0\uc11c &#8220;A \uc11c\ube44\uc2a4\uc5d0\uc11c \uc77c\uc5b4\ub09c \uc77c\uc744 B \uc11c\ube44\uc2a4\uac00 \uac10\uc9c0\ud55c\ub2e4&#8221;\ub294 \ubc18\uc751\ud615 \uc0ac\uace0\ub85c.<\/p>\n<p>\uc27d\uc9c0\ub294 \uc54a\uc558\ub2e4. \ud300\uc6d0 \uc124\ub4dd, \uc2a4\ud0a4\ub9c8 \uad00\ub9ac \uccb4\uacc4 \uad6c\ucd95, \uba71\ub4f1\uc131 \uc124\uacc4, \ub85c\uceec \uac1c\ubc1c \ud658\uacbd \uad6c\uc131\u2014\uc911\uac04\uc5d0 \uadf8\ub0e5 REST\ub85c \ub3cc\uc544\uac08\uae4c \uc2f6\uc740 \uc21c\uac04\uc774 \ud55c\ub450 \ubc88\uc774 \uc544\ub2c8\uc5c8\ub2e4. \ud2b9\ud788 \ub85c\uceec\uc5d0\uc11c Kafka \ub744\uc6b0\uace0 \uac1c\ubc1c\ud558\ub294 \uacbd\ud5d8\uc740 \ucc98\uc74c\uc5d4 \uaf64 \uace0\ud1b5\uc2a4\ub7ec\uc6e0\ub2e4(\uc9c0\uae08\uc740 docker-compose\ub85c \uc815\ucc29\ud588\ub2e4).<\/p>\n<p>\uadf8\ub798\ub3c4 \uc9c0\uae08\uc740 \uc798 \ub410\ub2e4\uace0 \uc0dd\uac01\ud55c\ub2e4. \uc11c\ube44\uc2a4 <a href=\"https:\/\/m.do.co\/c\/06956e5e2802\" title=\"DigitalOcean\uc73c\ub85c <a href=\"https:\/\/m.do.co\/c\/06956e5e2802\" title=\"DigitalOcean\uc73c\ub85c \ubc30\ud3ec\ud558\uae30\" rel=\"nofollow sponsored\" target=\"_blank\">\ubc30\ud3ec<\/a>\ud558\uae30&#8221; rel=&#8221;nofollow sponsored&#8221; target=&#8221;_blank&#8221;>\ubc30\ud3ec<\/a> \ub3c5\ub9bd\uc131\uc774 \ub192\uc544\uc84c\uace0, \uc7a5\uc560 \uc804\ud30c\uac00 \uc904\uc5c8\uace0, \uc0c8\ub85c\uc6b4 \uc18c\ube44\uc790\ub97c \ucd94\uac00\ud558\ub294 \ub370 \uae30\uc874 \ucf54\ub4dc\ub97c \uac74\ub4dc\ub9b4 \ud544\uc694\uac00 \uc5c6\uc5b4\uc84c\ub2e4.<\/p>\n<p>\ucc98\uc74c \uc2dc\uc791\ud55c\ub2e4\uba74 \uc791\uc740 \ub3c4\uba54\uc778\uc5d0\uc11c \uba3c\uc800 \uc2dc\ub3c4\ud574\ubcf4\uae38 \uad8c\ud55c\ub2e4. \uc54c\ub9bc \ubc1c\uc1a1\ucc98\ub7fc \uc2e4\ud328\ud574\ub3c4 \ud06c\ub9ac\ud2f0\uceec\ud558\uc9c0 \uc54a\uc740 \ubd80\ubd84\ubd80\ud130. \uac70\uae30\uc11c \ud300\uc774 \uac1c\ub150\uc744 \uc775\ud788\uace0, \uc6b4\uc601 \ud328\ud134\uc744 \ub9cc\ub4e4\uace0 \ub098\uc11c \uc810\uc9c4\uc801\uc73c\ub85c \ud655\uc7a5\ud558\ub294 \uac8c \ud604\uba85\ud558\ub2e4. \uc6b0\ub9ac\ub3c4 \uadf8\ub807\uac8c \uc2dc\uc791\ud588\ub2e4\u2014\ucc98\uc74c\ubd80\ud130 \ud575\uc2ec \uacb0\uc81c \ud750\ub984\uc744 \uac74\ub4dc\ub838\ub2e4\uba74 \uc544\ub9c8 \ud6e8\uc52c \ud798\ub4e4\uc5c8\uc744 \uac83\uc774\ub2e4.<\/p>\n<p><!-- Reviewed: 2026-03-09 | Status: ready_to_publish | Changes: meta_description updated for specificity, removed generic conclusion paragraph (\uc644\ubcbd\ud55c \uc544\ud0a4\ud14d\ucc98\ub294 \uc5c6\ub2e4), reworded AI-ish transitions, added em dashes and parentheticals for personality, expanded conclusion with concrete detail, added \"\ud504\ub85c\ub355\uc158\uc5d0\uc11c \ubc1c\uacac\ud588\ub2e4\" moment to mistakes section --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc791\ub144 \uc774\ub9d8\ub54c\ucbe4 \uc6b0\ub9ac \ud300\uc740 \uacb0\uc81c \uc11c\ube44\uc2a4\uc640 \uc8fc\ubb38 \uc11c\ube44\uc2a4 \uc0ac\uc774\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ub370\uc774\ud130 \ubd88\uc77c\uce58 \ubb38\uc81c\ub85c \uaf64 \uace0\uc0dd\ud588\ub2e4. REST API\ub85c \ub450 \uc11c\ube44\uc2a4\ub97c \uc5f0\uacb0\ud588\ub294\ub370, \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud560 \ub54c\ub9c8\ub2e4 \u201c\uacb0\uc81c\ub294 \ub410\ub294\ub370 \uc8fc\ubb38\uc774 \uc548 \uc0dd\uc131\ub410\uc5b4\uc694\u201d\ub77c\ub294 \uace0\uac1d \ubb38\uc758\uac00 \uc3df\uc544\uc84c\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-181","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/posts\/181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/comments?post=181"}],"version-history":[{"count":6,"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/posts\/181\/revisions"}],"predecessor-version":[{"id":293,"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/posts\/181\/revisions\/293"}],"wp:attachment":[{"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/media?parent=181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/categories?post=181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.rebalai.com\/ko\/wp-json\/wp\/v2\/tags?post=181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}