2022-11-28 11:40<\/p>\n
\u524d\u8a00
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\n\u8f66\u8def\u534f\u540c\u5373 IVICS\uff08Intelligent Vehicle Infrastructure Cooperative System\uff09\u6216 CVIS\uff08Cooperative Vehicle-Infrastructure System\uff09\uff0c\u662f\u667a\u80fd\u4ea4\u901a\u8fd0\u8f93\u7cfb\u7edf\uff08ITS\uff09\u7684\u91cd\u8981\u5b50\u7cfb\u7edf\uff0c\u878d\u5408\u4e86 V2X \u901a\u4fe1\u6280\u672f\u3001\u591a\u6e90\u4f20\u611f\u6280\u672f\u3001\u4e91\u8ba1\u7b97\u3001\u8fb9\u7f18\u8ba1\u7b97\u3001\u4ea4\u901a\u63a7\u5236\u7b49\u6280\u672f\u7684\u7efc\u5408\u6280\u672f\u4f53\u7cfb\u53ca\u7cfb\u7edf\uff0c\u603b\u4f53\u76ee\u6807\u662f\u638c\u63e1\u4ea4\u901a\u72b6\u51b5\u3001\u5b9e\u73b0\u8f66\u8def\u4e91\u4fe1\u606f\u4ea4\u4e92\uff0c\u63d0\u5347\u4ea4\u901a\u5b89\u5168\u3001\u6548\u7387\u53ca\u670d\u52a1\u3002
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\n\u5927\u91cf\u8bbe\u5907\u53ca\u6570\u636e\u7684\u9ad8\u6548\u8fd0\u7ef4\u7ba1\u7406
\n\u8f66\u8def\u534f\u540c\u7cfb\u7edf\u5bf9\u4e1a\u52a1\u5e94\u7528\u7684\u7a33\u5b9a\u6027\u3001\u8fde\u7eed\u6027\u6709\u9ad8\u8981\u6c42\uff0c\u4e91\u63a7\u5e73\u53f0\u9700\u8981\u5bf9\u8bbe\u5907\u5728\u7ebf\u72b6\u6001\u3001\u6570\u636e\u6d41\u5165\u6d41\u51fa\u72b6\u6001\u8fdb\u884c\u5168\u5c40\u76d1\u63a7\u3002\u9879\u76ee\u4e2d\u6709\u7684\u8def\u4fa7\u8bbe\u5907\u4e0d\u652f\u6301\u76f4\u63a5\u4e0a\u62a5\u72b6\u6001\uff0c\u5e73\u53f0\u5728\u8bbe\u5907\u53ca\u6570\u636e\u7684\u5b9e\u65f6\u76d1\u7ba1\u3001\u7cfb\u7edf\u95ee\u9898\u6392\u67e5\u65b9\u9762\u5b58\u5728\u56f0\u96be\uff0c\u5e73\u53f0\u548c\u8bbe\u5907\u95f4\u9700\u8981\u989d\u5916\u534f\u5546\u548c\u5f00\u53d1\u76f8\u5173\u534f\u8bae\u53c8\u4f1a\u589e\u52a0\u4e24\u4fa7\u7684\u5de5\u4f5c\u91cf\u3002
\n\u8bbe\u5907\u63a5\u5165\u5b89\u5168\u4fdd\u969c
\n\u8f66\u8def\u534f\u540c\u7cfb\u7edf\u6d89\u53ca\u9053\u8def\u4ea4\u901a\u4fe1\u606f\u3001\u8f66\u8f86\u4fe1\u606f\u751a\u81f3\u4ea4\u901a\u53ca\u8f66\u8f86\u7684\u63a7\u5236\uff0c\u4fe1\u606f\u5b89\u5168\u81f3\u5173\u91cd\u8981\uff0c\u8bbe\u5907\u63a5\u5165\u4e91\u63a7\u5e73\u53f0\u4e4b\u524d\uff0c\u5728\u4fdd\u8bc1\u901a\u9053\u5b89\u5168\u7684\u57fa\u7840\u4e0a\uff0c\u4e91\u63a7\u5e73\u53f0\u4e5f\u9700\u8981\u901a\u8fc7\u8bbe\u5907\u79d8\u94a5\u3001\u8bc1\u4e66\u3001\u8eab\u4efd\u8ba4\u8bc1\u7b49\u624b\u6bb5\u4fdd\u969c\u7cfb\u7edf\u5165\u53e3\u5b89\u5168\u3002
\nEMQ \u7269\u8054\u7f51\u6570\u636e\u57fa\u7840\u8bbe\u65bd\u52a9\u529b\u4e91\u63a7\u5e73\u53f0\u6784\u5efa
\nMQTT \u5728\u8f66\u8def\u534f\u540c\u7684\u5e94\u7528\u4f18\u52bf
\n\u5728\u8f66\u8def\u534f\u540c\u7cfb\u7edf\u4e2d\uff0c\u8def\u4fa7\u4e0a\u4f20\u7684\u6570\u636e\u4ee5\u53ca\u8f66\u8def\u4e91\u4ea4\u4e92\u7684 V2X \u6d88\u606f\u5747\u4e3a\u7ed3\u6784\u5316\u6570\u636e\uff0c\u6570\u636e\u91cf\u901a\u5e38\u5728 1-5KB \u5de6\u53f3\uff0c\u5355\u6761\u6570\u636e\u4e0d\u5927\uff0c\u4f46\u9891\u7387\u9ad8\u3001\u6570\u91cf\u591a\u3002\u591a\u4e2a\u4e0d\u540c\u7684\u7cfb\u7edf\u5e94\u7528\u53ef\u80fd\u4f1a\u9700\u8981\u6309\u7167\u6d88\u606f\u7c7b\u578b\u3001\u8def\u53e3\u3001\u8bbe\u5907\u3001\u5382\u5546\u7b49\u4e0d\u540c\u7ef4\u5ea6\u5bf9\u540c\u4e00\u8bbe\u5907\u4e0a\u4f20\u7684\u6570\u636e\u8fdb\u884c\u6d88\u8d39\u53d6\u7528\uff0c\u53cd\u5411\u5f80\u5f80\u4e5f\u9700\u8981\u6309\u7167\u8def\u53e3\u7ef4\u5ea6\u5c06\u4e0d\u540c V2X \u5e94\u7528\u6d88\u606f\u4e0b\u53d1\u7ed9\u591a\u4e2a\u8bbe\u5907\u3002
\nMQTT \u662f\u57fa\u4e8e\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u7684\u7269\u8054\u7f51\u901a\u4fe1\u534f\u8bae\uff0c\u63d0\u4f9b\u7075\u6d3b\u7684\u591a\u7ea7\u4e3b\u9898\u5b9a\u4e49\uff0c\u652f\u6301\u57fa\u4e8e\u4e3b\u9898\u7684\u7075\u6d3b\u8ba2\u9605\u53d1\u5e03\uff0c\u62a5\u6587\u7ed3\u6784\u7d27\u51d1\u4e14 Payload \u683c\u5f0f\u7075\u6d3b\uff0c\u63d0\u4f9b\u4e09\u79cd\u53ef\u9009\u7684 QoS \u7b49\u7ea7\uff0c\u63d0\u4f9b\u5728\u7ebf\u72b6\u6001\u611f\u77e5\u53ca\u4f1a\u8bdd\u4fdd\u6301\u80fd\u529b\uff0c\u8fd9\u4e9b\u7279\u70b9\u80fd\u591f\u5f88\u597d\u5730\u6ee1\u8db3\u8f66\u8def\u534f\u540c\u7cfb\u7edf\u9700\u6c42\uff0c\u4e3a\u4e91\u63a7\u57fa\u7840\u5e73\u53f0\u53ca\u5176\u5e94\u7528\u5b9e\u73b0\u5e26\u6765\u5f88\u591a\u4fbf\u5229\u3002\u56e0\u6b64\uff0c\u867d\u7136\u6807\u51c6\u5c42\u9762\u5e76\u672a\u89c4\u5b9a TCP \u4e4b\u4e0a\u9700\u8981\u4f7f\u7528 MQTT \u534f\u8bae\uff0c\u4f46\u8d8a\u6765\u8d8a\u591a\u7684\u8f66\u8def\u534f\u540c\u793a\u8303\u9879\u76ee\u4ee5\u53ca\u4e00\u4e9b V2X \u5f00\u6e90\u67b6\u6784\u9879\u76ee\u4e2d\uff0cMQTT \u534f\u8bae\u5df2\u7ecf\u6210\u4e3a\u4e3b\u8981\u7684\u8f66\u4e91\u95f4\u3001\u8def\u4e91\u95f4\u4ea4\u4e92\u534f\u8bae\u3002
\n\u9762\u5411\u5178\u578b\u8f66\u8def\u534f\u540c\u7cfb\u7edf\u7684\u89e3\u51b3\u65b9\u6848\u67b6\u6784
\n\u8f66\u8def\u534f\u540c\u5c5e\u4e8e\u591a\u9886\u57df\u4ea4\u53c9\u884c\u4e1a\uff0c\u4ea7\u4e1a\u94fe\u6d89\u53ca\u8f66\u8def\u534f\u540c\u901a\u4fe1\u6a21\u7ec4\u3001\u8def\u4fa7\u53ca\u8f66\u7aef\u901a\u4fe1\u8bbe\u5907\u3001\u8def\u4fa7\u611f\u77e5\u8bbe\u5907\u3001\u8def\u4fa7\u8ba1\u7b97\u5355\u5143\u8bbe\u5907\u3001\u901a\u4fe1\u7f51\u7edc\u3001\u4e91\u63a7\u5e73\u53f0\u7cfb\u7edf\u4ee5\u53ca\u8f66\u7aef\u81ea\u52a8\u9a7e\u9a76\u7cfb\u7edf\uff0c\u9879\u76ee\u5efa\u8bbe\u4e2d\u4e5f\u9700\u8981\u4ea7\u4e1a\u94fe\u5404\u65b9\u901a\u529b\u5408\u4f5c\u3002EMQ \u53ef\u4e3a\u8f66\u8def\u534f\u540c\u4ea7\u4e1a\u94fe\u63d0\u4f9b\u8f66\u8def\u534f\u540c\u4e91\u63a7\u57fa\u7840\u5e73\u53f0\u8d44\u6e90\u8fde\u63a5\u3001\u6570\u636e\u63a5\u5165\u5c42\u57fa\u7840\u8f6f\u4ef6\u4ee5\u53ca\u6570\u636e\u300c\u91c7\u96c6-\u79fb\u52a8-\u4f20\u9012-\u5bf9\u63a5\u300d\u7684\u6574\u4f53\u89e3\u51b3\u65b9\u6848\uff0c\u57fa\u4e8e\u81ea\u7814\u4ea7\u54c1\u4e3a\u5ba2\u6237\u6253\u9020\u5b8c\u6574\u7684\u4e91\u63a7\u7269\u8054\u57fa\u7840\u67b6\u6784\uff0c\u52a9\u529b\u5feb\u901f\u6784\u5efa\u4e91\u63a7\u5e73\u53f0\u3002
\nEMQ \u8f66\u8def\u534f\u540c\u6574\u4f53\u89e3\u51b3\u65b9\u6848\u4ee5\u57fa\u4e8e MQTT \u6d88\u606f\u91c7\u96c6\u548c\u4f20\u9012\u6846\u67b6\u4e3a\u6838\u5fc3\uff0c\u7ed3\u5408\u5206\u5e03\u5f0f MQTT \u6d88\u606f\u670d\u52a1\u5668 EMQX \u548c\u521b\u65b0\u7684\u6d41\u5904\u7406\u6570\u636e\u5e93 HStreamDB \u6253\u9020\u7cfb\u7edf\u6570\u636e\u4e2d\u67a2\uff0c\u89e3\u51b3\u8f66\u8def\u6570\u636e\u91c7\u96c6\u3001\u6c47\u805a\u3001\u4f20\u9012\u3001\u8ba1\u7b97\u3001\u5b58\u50a8\u53ca\u7ba1\u7406\u7b49\u65b9\u9762\u8bf8\u591a\u6311\u6218\uff0c\u8ba9\u5ba2\u6237\u53ef\u57fa\u4e8e\u6b64\u67b6\u6784\u5feb\u901f\u6784\u5efa\u8f66\u8def\u534f\u540c\u4e91\u63a7\u5e73\u53f0\u7684\u8d44\u6e90\u8fde\u63a5\u5c42\u3001\u6570\u636e\u5904\u7406\u5c42\uff0c\u5e76\u5b9e\u73b0\u8fd9\u4e24\u5c42\u4e0e\u6570\u636e\u5171\u4eab\u5c42\u7684\u8854\u63a5\u3002
\n\u5176\u4e2d\uff0c\u4f5c\u4e3a\u57fa\u4e8e MQTT \u534f\u8bae\u6807\u51c6\u7684\u4e91\u539f\u751f\u5206\u5e03\u5f0f\u7269\u8054\u7f51\u63a5\u5165\u5e73\u53f0\uff0cEMQX \u4e3a\u5b9e\u73b0\u8f66\u8def\u534f\u540c\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u9760\u7684\u5b9e\u65f6\u6570\u636e\u91c7\u96c6\u3001\u79fb\u52a8\u3001\u5904\u7406\u548c\u96c6\u6210\u63d0\u4f9b\u52a8\u529b\uff1a<\/p>\n
\u591a\u534f\u8bae\u8bbe\u5907\u63a5\u5165\u80fd\u529b\uff1a\u9664\u4e86\u652f\u6301 MQTT 3.1\/3.1.1\/5.0\uff0c\u540c\u65f6\u652f\u6301 LwM2M\u3001CoAP\u3001MQTT-SN \u6216 TCP\/UDP \u79c1\u6709\u534f\u8bae\u63a5\u5165\uff0c\u652f\u6301\u8f66\u8f7d\u901a\u4fe1\u5355\u5143\u901a\u8fc7 MQTT \u6216 JT-808\/GBT-32960 \u8f66\u8054\u7f51\u4e13\u4e1a\u534f\u8bae\u63a5\u5165\uff0c\u80fd\u9002\u5e94\u9879\u76ee\u4e2d\u4e0d\u540c\u7684\u8bbe\u5907\u534f\u8bae\uff0c\u5b9e\u73b0\u5168\u91cf\u8bbe\u5907\u7edf\u4e00\u63a5\u5165\u3002
\n\u5343\u4e07\u7ea7\u5e76\u53d1\u8fde\u63a5\u3001\u767e\u4e07\u7ea7\u6570\u636e\u541e\u5410\u3001\u6beb\u79d2\u7ea7\u5b9e\u65f6\u6d88\u606f\u8def\u7531\uff1a\u57fa\u4e8e\u9ad8\u53ef\u7528\u3001\u5206\u5e03\u5f0f\u96c6\u7fa4\u67b6\u6784\uff0c\u652f\u6301\u767e\u4e07\u5230\u4ebf\u7ea7\u6d77\u91cf\u5e76\u53d1\u8fde\u63a5\u3001\u6beb\u79d2\u7ea7\u8f6f\u5b9e\u65f6\u6d88\u606f\u8def\u7531\u3001\u767e\u4e07\u7ea7 TPS \u6570\u636e\u541e\u5410\uff0c\u6ee1\u8db3\u57ce\u5e02\u7ea7\u89c4\u6a21\u8f66\u8def\u7cfb\u7edf\u5728\u300c\u8def\u4fa7-\u4e91\u7aef-\u8f66\u7aef\u300d\u4e4b\u95f4\u7684\u53cc\u5411\u79fb\u52a8\u3002
\n\u5f3a\u5927\u89c4\u5219\u5f15\u64ce\u5b9e\u73b0\u63a5\u5165\u6570\u636e\u9884\u5904\u7406\u5f52\u4e00\u5316\uff1a\u63d0\u4f9b\u5185\u7f6e\u7684\u89c4\u5219\u5f15\u64ce\uff0c\u5728\u63a5\u6536\u8f66\u8def\u8bbe\u5907\u6570\u636e\u540e\uff0c\u901a\u8fc7 SQL \u8bed\u53e5\u4f4e\u4ee3\u7801\u5f62\u5f0f\u5c31\u53ef\u4ee5\u521b\u5efa\u89c4\u5219\u5c06\u6765\u81ea\u4e0d\u540c\u8bbe\u5907\u3001\u7ed3\u6784\u6709\u5dee\u5f02\u7684\u611f\u77e5\u6570\u636e\u8fdb\u884c\u5b9e\u65f6\u6570\u636e\u7f16\u89e3\u7801\u3001\u7b5b\u9009\u3001\u805a\u5408\u3001\u6a21\u677f\u5f52\u4e00\u5316\uff0c\u518d\u6839\u636e\u4e0d\u540c\u5e94\u7528\u9700\u6c42\uff0c\u5c06\u5904\u7406\u6570\u636e\u96f6\u4ee3\u7801\u3001\u9ad8\u6027\u80fd\u6865\u63a5\u96c6\u6210\u5230\u591a\u79cd\u6d88\u606f\u961f\u5217\u53ca SQL \/ NoSQL \/\u65f6\u5e8f\u5217\u6570\u636e\u5e93\u3002
\n\u591a\u79cd\u63a5\u5165\u8ba4\u8bc1\u4fdd\u8bc1\u7cfb\u7edf\u5b89\u5168\uff1a\u652f\u6301 TLS\/SSL\uff08\u5305\u542b\u56fd\u5bc6\u7b97\u6cd5\uff09\u53cc\u5411\u8ba4\u8bc1\u3001\u5185\u7f6e\/\u5916\u7f6e\u8d26\u5bc6\u6570\u636e\u5e93\u6e90\u8ba4\u8bc1\u3001\u4e00\u673a\u4e00\u5bc6\u65b9\u6848\u9002\u914d\uff0c\u4ee5\u53ca\u6269\u5c55\u4e0e\u7b2c\u4e09\u65b9 C-V2X CA \u8ba4\u8bc1\u5e73\u53f0\u8fdb\u884c\u8ba4\u8bc1\u5bf9\u63a5\u3002
\n\u652f\u6301\u7075\u6d3b\u7684\u6d88\u606f\u5206\u53d1\u53ca\u7ba1\u63a7\uff1a\u901a\u8fc7 MQTT \u57fa\u4e8e\u4e3b\u9898\u7684\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u8fdb\u884c\u6d88\u606f\u4f20\u9012\uff0c\u80fd\u591f\u652f\u6301\u8f66\u8def\u6570\u636e\u6309\u7167\u7c7b\u578b\u3001\u6240\u5c5e\u8def\u53e3\u3001\u8bbe\u5907\u5382\u5546\u7b49\u591a\u7ef4\u5ea6\u8fdb\u884c\u7075\u6d3b\u5206\u7c7b\u548c\u8def\u7531\u8f6c\u53d1\uff0c\u8bbf\u95ee\u63a7\u5236\u673a\u5236\u80fd\u591f\u5bf9\u4e0d\u540c\u7ec8\u7aef\u8fdb\u884c\u4fe1\u606f\u53d1\u5e03\u548c\u8ba2\u9605\u7684\u6743\u9650\u63a7\u5236\uff0c\u65b9\u4fbf\u4e0a\u5c42\u5e94\u7528\u8c03\u7528\u6570\u636e\u548c\u7ba1\u7406\u6570\u636e\u3002
\n\u63d0\u4f9b\u4e30\u5bcc\u7684 API \u4f9b\u4e0a\u5c42\u5e94\u7528\u5e73\u53f0\u96c6\u6210\uff1aV2X \u6d88\u606f\u8f6c\u53d1\u6a21\u5757\u53ef\u4ee5\u901a\u8fc7\u6d88\u606f\u53d1\u5e03\u3001\u4e3b\u9898\u8ba2\u9605\u7b49\u63a5\u53e3\u57fa\u4e8e EMQX \u5f3a\u5927\u6027\u80fd\u5b9e\u73b0 V2X \u6d88\u606f\u9ad8\u5e76\u53d1\u8f6c\u53d1\uff1b\u6570\u636e\u76d1\u63a7\u5e94\u7528\u53ef\u901a\u8fc7 API \u83b7\u53d6\u8fde\u63a5\u6570\u3001\u8ba2\u9605\u6570\u3001\u6d88\u606f\u6d41\u91cf\u76d1\u63a7\uff0c\u8fd0\u7ef4\u7ba1\u7406\u53ef\u901a\u8fc7\u4e0a\u4e0b\u7ebf\u6d88\u606f\u901a\u77e5\u5b9e\u65f6\u638c\u63e1\u8bbe\u5907\u8fd0\u884c\u60c5\u51b5\u3002<\/p>\n
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