{"id":1904,"date":"2026-03-24T01:19:31","date_gmt":"2026-03-24T01:19:31","guid":{"rendered":"https:\/\/www.tech-posts.com\/tw\/microservices-architecture-planning-data-flow-diagrams\/"},"modified":"2026-03-24T01:19:31","modified_gmt":"2026-03-24T01:19:31","slug":"microservices-architecture-planning-data-flow-diagrams","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/tw\/microservices-architecture-planning-data-flow-diagrams\/","title":{"rendered":"DFD\u6307\u5357\uff1a\u900f\u904e\u8cc7\u6599\u6d41\u7a0b\u5716\u898f\u5283\u5fae\u670d\u52d9\u67b6\u69cb"},"content":{"rendered":"<p>\u8a2d\u8a08\u7a69\u5065\u7684\u5fae\u670d\u52d9\u67b6\u69cb\uff0c\u4e0d\u50c5\u50c5\u662f\u5c07\u7a0b\u5f0f\u78bc\u62c6\u5206\u6210\u66f4\u5c0f\u7684\u7247\u6bb5\u3002\u9019\u9700\u8981\u6e05\u695a\u7406\u89e3\u8cc7\u8a0a\u5728\u7cfb\u7d71\u4e2d\u5982\u4f55\u6d41\u52d5\u3002\u82e5\u7f3a\u4e4f\u7d50\u69cb\u5316\u7684\u65b9\u6cd5\uff0c\u5206\u6563\u5f0f\u7cfb\u7d71\u5f80\u5f80\u6703\u8b8a\u6210\u96e3\u4ee5\u7dad\u8b77\u8207\u64f4\u5c55\u7684\u8907\u96dc\u4f9d\u8cf4\u7db2\u7d61\u3002\u9019\u6b63\u662f\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u6210\u70ba\u67b6\u69cb\u5e2b\u4e0d\u53ef\u6216\u7f3a\u5de5\u5177\u7684\u539f\u56e0\u3002\u900f\u904e\u8996\u89ba\u5316\u8cc7\u6599\u7684\u6d41\u52d5\uff0c\u5718\u968a\u80fd\u7cbe\u78ba\u5b9a\u7fa9\u670d\u52d9\u908a\u754c\uff0c\u4e26\u78ba\u4fdd\u5e73\u53f0\u5404\u8655\u7684\u57fa\u790e\u8cc7\u6599\u908f\u8f2f\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n<p>\u672c\u6307\u5357\u63a2\u8a0e\u5982\u4f55\u5728\u5fae\u670d\u52d9\u5be6\u4f5c\u7684\u898f\u5283\u968e\u6bb5\u904b\u7528DFD\u3002\u6211\u5011\u5c07\u6aa2\u8996\u5716\u8868\u7684\u5c64\u7d1a\u7d50\u69cb\u3001\u95dc\u9375\u908a\u754c\u7684\u8b58\u5225\uff0c\u4ee5\u53ca\u8cc7\u6599\u6240\u6709\u6b0a\u7ba1\u7406\u7684\u7b56\u7565\u3002\u76ee\u6a19\u662f\u63d0\u4f9b\u4e00\u500b\u7cfb\u7d71\u5316\u7684\u65b9\u6cd5\u6846\u67b6\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u8a2d\u8a08\u5177\u5099\u6e05\u6670\u6027\u8207\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Sketch-style infographic illustrating microservices architecture planning using Data Flow Diagrams: shows hierarchical DFD levels (Context, Functional Decomposition, Detailed Flow), core DFD components (processes, data stores, external entities, data flows), service boundary mapping principles (high cohesion, low coupling), data ownership patterns, synchronous vs asynchronous communication, and security considerations for distributed systems design\" decoding=\"async\" src=\"https:\/\/www.tech-posts.com\/wp-content\/uploads\/2026\/03\/microservices-architecture-dfd-planning-infographic-sketch.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83e\udde9 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\u900f\u904e\u986f\u793a\u6709\u591a\u5c11\u8cc7\u6599\u6d41\u7a7f\u8d8a\u9810\u8a2d\u908a\u754c\u4f86\u63ed\u793a\u8026\u5408\u60c5\u6cc1\u3002\u76ee\u6a19\u662f\u76e1\u53ef\u80fd\u6e1b\u5c11\u7a7f\u8d8a\u670d\u52d9\u908a\u754c\u7684\u8cc7\u6599\u6d41\u6578\u91cf\u3002<\/p>\n<ul>\n<li><strong>\u76f4\u63a5\u9023\u63a5\uff1a<\/strong>\u6e1b\u5c11\u670d\u52d9\u4e4b\u9593\u7684\u76f4\u63a5\u8cc7\u6599\u6d41\u6578\u91cf\u3002<\/li>\n<li><strong>\u9593\u63a5\u9023\u63a5\uff1a<\/strong>\u512a\u5148\u63a1\u7528\u975e\u540c\u6b65\u8a0a\u606f\u50b3\u905e\u6216\u4e8b\u4ef6\u9a45\u52d5\u67b6\u69cb\uff0c\u4ee5\u89e3\u8026\u670d\u52d9\u3002<\/li>\n<\/ul>\n<h2>\ud83d\uddc4\ufe0f \u7ba1\u7406\u8cc7\u6599\u6240\u6709\u6b0a\u8207\u4e00\u81f4\u6027<\/h2>\n<p>\u5728\u55ae\u9ad4\u5f0f\u8cc7\u6599\u5eab\u4e2d\uff0c\u8cc7\u6599\u4e00\u81f4\u6027\u900f\u904e\u4ea4\u6613\u8655\u7406\u3002\u5728\u5fae\u670d\u52d9\u4e2d\uff0c\u6bcf\u500b\u670d\u52d9\u901a\u5e38\u64c1\u6709\u5176\u8cc7\u6599\u3002DFD \u5728\u91d0\u6e05\u6240\u6709\u6b0a\u65b9\u9762\u81f3\u95dc\u91cd\u8981\u3002\u900f\u904e\u5c07\u8cc7\u6599\u6d41\u6620\u5c04\u81f3\u5132\u5b58\u4f4d\u7f6e\uff0c\u67b6\u69cb\u5e2b\u53ef\u5c07\u6240\u6709\u6b0a\u6307\u6d3e\u7d66\u7279\u5b9a\u6d41\u7a0b\u3002<\/p>\n<h3>\u6bcf\u670d\u52d9\u4e00\u8cc7\u6599\u5eab\u6a21\u5f0f<\/h3>\n<p>\u6bcf\u500b\u5fae\u670d\u52d9\u61c9\u7ba1\u7406\u5176\u81ea\u8eab\u7684\u8cc7\u6599\u5132\u5b58\u3002DFD \u900f\u904e\u8ffd\u8e64\u8cc7\u6599\u7684\u4f86\u6e90\u8207\u6d88\u8017\u4f4d\u7f6e\uff0c\u5354\u52a9\u8b58\u5225\u54ea\u4e9b\u8cc7\u6599\u5c6c\u65bc\u54ea\u500b\u670d\u52d9\u3002<\/p>\n<ul>\n<li><strong>\u771f\u5be6\u4f86\u6e90\uff1a<\/strong> \u5beb\u5165\u8cc7\u6599\u7684\u6d41\u7a0b\u64c1\u6709\u8cc7\u6599\u5132\u5b58\u3002<\/li>\n<li><strong>\u8b80\u53d6\u5b58\u53d6\uff1a<\/strong> \u5176\u4ed6\u6d41\u7a0b\u53ef\u900f\u904e\u5b9a\u7fa9\u7684\u6d41\u7a0b\uff08API\uff09\u8b80\u53d6\u8cc7\u6599\uff0c\u4f46\u7121\u6cd5\u76f4\u63a5\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h3>\u4e00\u81f4\u6027\u6a21\u578b<\/h3>\n<p>\u5206\u6563\u5f0f\u7cfb\u7d71\u901a\u5e38\u4f9d\u8cf4\u6700\u7d42\u4e00\u81f4\u6027\uff0c\u800c\u975e\u7acb\u5373\u4e00\u81f4\u6027\u3002DFD \u53ef\u7a81\u986f\u51fa\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u7684\u5730\u65b9\uff0c\u4ee5\u53ca\u53ef\u653e\u5bec\u4e00\u81f4\u6027\u7684\u5340\u57df\u3002<\/p>\n<ul>\n<li><strong>\u5f37\u4e00\u81f4\u6027\uff1a<\/strong> \u7528\u65bc\u91d1\u878d\u4ea4\u6613\u6216\u5eab\u5b58\u66f4\u65b0\u3002\u9019\u4e9b\u6d41\u7a0b\u6a19\u8a18\u70ba\u540c\u6b65\u3002<\/li>\n<li><strong>\u6700\u7d42\u4e00\u81f4\u6027\uff1a<\/strong> \u7528\u65bc\u4f7f\u7528\u8005\u8cc7\u6599\u6216\u8a18\u9304\u3002\u9019\u4e9b\u6d41\u7a0b\u901a\u5e38\u662f\u975e\u540c\u6b65\u7684\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udd17 \u901a\u8a0a\u6a21\u5f0f\u8207\u6574\u5408<\/h2>\n<p>\u670d\u52d9\u5b9a\u7fa9\u5f8c\uff0c\u67b6\u69cb\u5fc5\u9808\u660e\u78ba\u5b83\u5011\u4e4b\u9593\u5982\u4f55\u6e9d\u901a\u3002DFD \u6703\u5340\u5206\u4e0d\u540c\u985e\u578b\u7684\u8cc7\u6599\u6d41\u7a0b\uff0c\u5f9e\u800c\u5f71\u97ff\u901a\u8a0a\u6280\u8853\u7684\u9078\u64c7\u3002<\/p>\n<h3>\u8acb\u6c42-\u56de\u8986 vs. \u4e8b\u4ef6\u9a45\u52d5<\/h3>\n<p>\u4e26\u975e\u6240\u6709\u8cc7\u6599\u6d41\u7a0b\u90fd\u9700\u8981\u7acb\u5373\u56de\u61c9\u3002DFD \u53ef\u5354\u52a9\u6839\u64da\u6642\u5e8f\u9700\u6c42\u5c0d\u6d41\u7a0b\u9032\u884c\u5206\u985e\u3002<\/p>\n<ul>\n<li><strong>\u540c\u6b65\u6d41\u7a0b\uff1a<\/strong> \u7576\u4e0b\u6e38\u6d41\u7a0b\u9700\u8981\u7acb\u5373\u53d6\u5f97\u8cc7\u6599\u624d\u80fd\u7e7c\u7e8c\u6642\u4f7f\u7528\u3002\u9019\u4e9b\u901a\u5e38\u5c0d\u61c9\u81f3 REST \u6216 gRPC API\u3002<\/li>\n<li><strong>\u975e\u540c\u6b65\u6d41\u7a0b\uff1a<\/strong> \u7528\u65bc\u80cc\u666f\u8655\u7406\u6216\u901a\u77e5\u3002\u9019\u4e9b\u5c0d\u61c9\u81f3\u8a0a\u606f\u4f47\u5217\u6216\u4e8b\u4ef6\u7e3d\u7dda\u3002<\/li>\n<\/ul>\n<h2>\u26a0\ufe0f \u57fa\u65bc DFD \u8a08\u756b\u7684\u5e38\u898b\u9677\u9631<\/h2>\n<p>\u96d6\u7136 DFD \u529f\u80fd\u5f37\u5927\uff0c\u4f46\u82e5\u4f7f\u7528\u4e0d\u7576\uff0c\u5bb9\u6613\u7522\u751f\u8aa4\u89e3\u3002\u67b6\u69cb\u5e2b\u61c9\u610f\u8b58\u5230\u53ef\u80fd\u5c0e\u81f4\u8a08\u756b\u904e\u7a0b\u812b\u8ecc\u7684\u5e38\u898b\u932f\u8aa4\u3002<\/p>\n<h3>\u9677\u9631 1\uff1a\u904e\u65bc\u8a73\u7d30\u7684\u4e0a\u4e0b\u6587<\/h3>\n<p>\u5728\u4e0a\u4e0b\u6587\u5c64\u7d1a\u5c31\u958b\u59cb\u904e\u65bc\u8a73\u7d30\u7684\u63cf\u8ff0\uff0c\u6703\u63a9\u84cb\u9ad8\u968e\u8996\u5716\u3002\u4fdd\u6301\u7b2c 0 \u5c64\u7c21\u55ae\u3002\u50c5\u5728\u9032\u5165\u7b2c 1 \u5c64\u548c\u7b2c 2 \u5c64\u6642\u518d\u589e\u52a0\u8907\u96dc\u5ea6\u3002<\/p>\n<h3>\u9677\u9631 2\uff1a\u5ffd\u7565\u975e\u529f\u80fd\u9700\u6c42<\/h3>\n<p>DFD \u95dc\u6ce8\u8cc7\u6599\uff0c\u800c\u975e\u6548\u80fd\u6216\u5b89\u5168\u6027\u3002\u5728\u7e6a\u88fd\u6d41\u7a0b\u6642\uff0c\u61c9\u8003\u616e\u5ef6\u9072\u9700\u6c42\u8207\u5b89\u5168\u908a\u754c\u3002\u67d0\u500b\u8cc7\u6599\u6d41\u7a0b\u53ef\u80fd\u6280\u8853\u4e0a\u53ef\u884c\uff0c\u4f46\u9055\u53cd\u5b89\u5168\u653f\u7b56\u3002<\/p>\n<h3>\u9677\u9631 3\uff1a\u5faa\u74b0\u4f9d\u8cf4<\/h3>\n<p>DFD \u53ef\u4ee5\u63ed\u793a\u5faa\u74b0\u8cc7\u6599\u6d41\u7a0b\uff0c\u4f8b\u5982\u670d\u52d9 A \u547c\u53eb\u670d\u52d9 B\uff0c\u800c\u670d\u52d9 B \u53c8\u547c\u53eb\u670d\u52d9 A\u3002\u9019\u6703\u9020\u6210\u6b7b\u9396\u6216\u7121\u9650\u5faa\u74b0\u3002\u9019\u4e9b\u5faa\u74b0\u5fc5\u9808\u900f\u904e\u91cd\u65b0\u8abf\u6574\u8cc7\u6599\u6240\u6709\u6b0a\u4f86\u6253\u7834\u3002<\/p>\n<h2>\ud83d\udccb DFD \u5c64\u7d1a\u7684\u6bd4\u8f03\u5206\u6790<\/h2>\n<p>\u70ba\u66f4\u6e05\u695a\u7406\u89e3 DFD \u5c64\u7d1a\u5982\u4f55\u5c0d\u61c9\u81f3\u67b6\u69cb\u6c7a\u7b56\uff0c\u8acb\u53c3\u8003\u4e0b\u65b9\u8868\u683c\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>DFD \u5c64\u7d1a<\/th>\n<th>\u95dc\u6ce8\u9818\u57df<\/th>\n<th>\u67b6\u69cb\u8f38\u51fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e0a\u4e0b\u6587\uff08\u7b2c 0 \u5c64\uff09<\/td>\n<td>\u7cfb\u7d71\u7bc4\u570d<\/td>\n<td>\u670d\u52d9\u908a\u754c\u5b9a\u7fa9<\/td>\n<\/tr>\n<tr>\n<td>\u529f\u80fd\uff08\u7b2c 1 \u5c64\uff09<\/td>\n<td>\u4e3b\u8981\u9818\u57df<\/td>\n<td>\u670d\u52d9\u76ee\u9304\u8207 API \u5408\u7d04<\/td>\n<\/tr>\n<tr>\n<td>\u908f\u8f2f\uff08\u7b2c 2 \u5c64\uff09<\/td>\n<td>\u5167\u90e8\u908f\u8f2f<\/td>\n<td>\u8cc7\u6599\u6a21\u578b\u8207\u9a57\u8b49\u898f\u5247<\/td>\n<\/tr>\n<tr>\n<td>\u7269\u7406<\/td>\n<td>\u57fa\u790e\u8a2d\u65bd<\/td>\n<td>\u90e8\u7f72\u62d3\u64b2\u8207\u7db2\u8def\u8a2d\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udd04 \u8fed\u4ee3\u5f0f\u512a\u5316\u8207\u7dad\u8b77<\/h2>\n<p>\u67b6\u69cb\u4e26\u975e\u4e00\u6b21\u6027\u4e8b\u4ef6\u3002\u96a8\u8457\u696d\u52d9\u7684\u6f14\u9032\uff0c\u8cc7\u6599\u6d41\u6703\u6539\u8b8a\u3002\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u61c9\u4f5c\u70ba\u6d3b\u6587\u4ef6\uff0c\u8207\u7a0b\u5f0f\u78bc\u5eab\u540c\u6b65\u66f4\u65b0\u3002<\/p>\n<h3>\u7248\u672c\u5316\u5716\u8868<\/h3>\n<p>\u5982\u540c API \u6703\u9032\u884c\u7248\u672c\u63a7\u5236\uff0c\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u4e5f\u61c9\u9032\u884c\u7248\u672c\u7ba1\u7406\uff0c\u4ee5\u8ffd\u8e64\u67b6\u69cb\u96a8\u6642\u9593\u7684\u8b8a\u66f4\u3002\u9019\u6709\u52a9\u65bc\u5718\u968a\u7406\u89e3\u904e\u53bb\u70ba\u4f55\u505a\u51fa\u67d0\u4e9b\u6c7a\u7b56\u3002<\/p>\n<ul>\n<li><strong>\u8b8a\u66f4\u8a18\u9304\uff1a<\/strong>\u8a18\u9304\u8cc7\u6599\u6d41\u6216\u6d41\u7a0b\u7684\u6bcf\u4e00\u9805\u4fee\u6539\u3002<\/li>\n<li><strong>\u5f71\u97ff\u5206\u6790\uff1a<\/strong>\u5229\u7528\u5716\u8868\u8a55\u4f30\u67d0\u500b\u670d\u52d9\u7684\u8b8a\u66f4\u5c0d\u5176\u4ed6\u670d\u52d9\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h3>\u81ea\u52d5\u5316\u9a57\u8b49<\/h3>\n<p>\u96d6\u7136\u624b\u52d5\u5716\u8868\u5f88\u6709\u7528\uff0c\u4f46\u81ea\u52d5\u5316\u9a57\u8b49\u53ef\u78ba\u4fdd\u5be6\u969b\u5be6\u73fe\u8207\u8a2d\u8a08\u76f8\u7b26\u3002\u5de5\u5177\u53ef\u9a57\u8b49\u5be6\u969b\u7db2\u8def\u6d41\u91cf\u662f\u5426\u8207\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u4e2d\u5b9a\u7fa9\u7684\u6d41\u7a0b\u4e00\u81f4\u3002<\/p>\n<h2>\ud83d\udee1\ufe0f \u8cc7\u6599\u6d41\u4e2d\u7684\u5b89\u5168\u8003\u91cf<\/h2>\n<p>\u5b89\u5168\u5e38\u88ab\u8996\u70ba\u8a2d\u8a08\u5f8c\u7684\u88dc\u5145\uff0c\u4f46\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u53ef\u8b93\u5b89\u5168\u5f9e\u4e00\u958b\u59cb\u5c31\u878d\u5165\u3002\u6bcf\u4e00\u7b46\u8cc7\u6599\u6d41\u90fd\u4ee3\u8868\u4e00\u500b\u6f5b\u5728\u7684\u653b\u64ca\u5411\u91cf\u3002<\/p>\n<h3>\u5b9a\u7fa9\u4fe1\u4efb\u5340\u57df<\/h3>\n<p>\u6a19\u8a18\u5716\u8868\u4e2d\u9700\u8981\u4e0d\u540c\u5b89\u5168\u7b49\u7d1a\u7684\u5340\u57df\u3002\u5167\u90e8\u8cc7\u6599\u6d41\u53ef\u80fd\u88ab\u4fe1\u4efb\uff0c\u800c\u5916\u90e8\u8cc7\u6599\u6d41\u5247\u9700\u52a0\u5bc6\u8207\u9a57\u8b49\u3002<\/p>\n<ul>\n<li><strong>\u5916\u90e8\u8cc7\u6599\u6d41\uff1a<\/strong> \u9700\u8981 TLS\u3001API \u91d1\u9470\u6216 OAuth \u6b0a\u6756\u3002<\/li>\n<li><strong>\u5167\u90e8\u8cc7\u6599\u6d41\uff1a<\/strong> \u9700\u8981\u76f8\u4e92 TLS 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