{"id":96022,"date":"2024-07-26T16:14:12","date_gmt":"2024-07-26T08:14:12","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=96022"},"modified":"2024-07-26T16:14:19","modified_gmt":"2024-07-26T08:14:19","slug":"ncynjzsjcsfa-2","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/96022.html","title":{"rendered":"NB-IoT\u91c7\u7528\u54ea\u51e0\u79cd\u6570\u636e\u4f20\u8f93\u65b9\u6848"},"content":{"rendered":"\n<p>\u3000\u3000<strong>NB-IoT<\/strong>(\u7a84\u5e26\u7269\u8054\u7f51)\u91c7\u7528\u591a\u79cd\u6570\u636e\u4f20\u8f93\u65b9\u6848\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u4e3b\u8981\u7684\u6570\u636e\u4f20\u8f93\u65b9\u6848\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>Control Plane (CP) \u548c User Plane (UP) \u4f18\u5316\u4f20\u8f93\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>CP \u65b9\u6848<\/strong>\uff1a\u6570\u636e\u901a\u8fc7\u627f\u8f7d\u5728SRB\u4e0a\u7684NAS PDU\u4f20\u8f93\uff0c\u4e0d\u4f7f\u7528\u6570\u636e\u627f\u8f7d(DRB)\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>UP \u65b9\u6848<\/strong>\uff1a\u6570\u636e\u901a\u8fc7DRB\u4f20\u8f93\uff0c\u5e76\u4e14\u652f\u6301Suspend\u548cResume\u673a\u5236\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>CoAP \u534f\u8bae<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000NB-IoT\u8bbe\u5907\u53ef\u4ee5\u901a\u8fc7CoAP\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u79cd\u534f\u8bae\u9002\u7528\u4e8e\u4f4e\u529f\u8017\u8bbe\u5907\u7684\u7f51\u7edc\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>UDP \u548c TCP\/IP \u534f\u8bae<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u6839\u636e\u82af\u7247\u548c\u7ec8\u7aef\u60c5\u51b5\uff0cNB-IoT\u901a\u4fe1\u6a21\u7ec4\u53ef\u4ee5\u652f\u6301UDP\u3001TCP\/IP\u7b49\u591a\u79cd\u534f\u8bae\u4f20\u8f93\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>MQTT \u534f\u8bae<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u7269\u8054\u7f51\u5e73\u53f0\u652f\u6301\u901a\u8fc7MQTT\u534f\u8bae\u63a5\u5165NB-IoT\u8bbe\u5907\uff0c\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u76f4\u63a5\u8fde\u63a5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5c06NB-IoT\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u5230\u670d\u52a1\u5668\u6216\u8ba1\u7b97\u673a\u4e0a\uff0c\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u548c\u7ba1\u7406\u3002\u8fd9\u79cd\u65b9\u5f0f\u5177\u6709\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u53ef\u9760\u6027\u7684\u4f18\u70b9\uff0c\u4f46\u9700\u8981\u6d88\u8017\u66f4\u591a\u7684\u80fd\u91cf\u548c\u8d44\u6e90\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u9891\u6bb5\u548c\u4e32\u53e3\u900f\u4f20<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u652f\u6301\u591a\u9891\u6bb5\u7684NB-IoT\u6a21\u5757\uff0c\u5982RS232\/485\u8f6cNB-IoT\u53cc\u5411\u900f\u4f20\u529f\u80fd\uff0c\u4ee5\u53ca\u4e32\u53e3\u900f\u4f20\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u52a0\u5bc6\u901a\u9053<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\uff0c\u5982TUP\u573a\u666f\u548cLWM2M\u573a\u666f\uff0c\u8bbe\u5907\u901a\u8fc7DTLS\u52a0\u5bc6\u901a\u9053\u63a5\u5165\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e9b\u6570\u636e\u4f20\u8f93\u65b9\u6848\u5404\u6709\u7279\u70b9\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6848\u6765\u4f18\u5316NB-IoT\u8bbe\u5907\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 NB-IoT\u4e2dControl Plane (CP) \u548c User Plane (UP) \u4f18\u5316\u4f20\u8f93\u65b9\u6848\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT\u7cfb\u7edf\u4e2d\uff0c\u63a7\u5236\u9762(Control Plane, CP)\u548c\u7528\u6237\u9762(User Plane, UP)\u7684\u4f18\u5316\u4f20\u8f93\u65b9\u6848\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u63a7\u5236\u9762\u4f18\u5316\u4f20\u8f93\u65b9\u6848(Control Plane CIoT EPS Optimization)<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u636e\u5c01\u88c5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6570\u636e\u901a\u8fc7\u975e\u63a5\u5165\u5c42(NAS)\u8fdb\u884c\u5b89\u5168\u6027\u4fdd\u62a4\u6216\u52a0\u5bc6\uff0c\u5e76\u5c06IP\u6570\u636e\u5305\u3001\u975eIP\u6570\u636e\u5305\u6216SMS\u6d88\u606f\u5c01\u88c5\u5230NAS\u534f\u8bae\u6570\u636e\u5355\u5143(PDU)\u4e2d\u8fdb\u884c\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8fd9\u79cd\u65b9\u6cd5\u51cf\u5c11\u4e86\u63a7\u5236\u5e73\u9762\u6d88\u606f\u7684\u6570\u91cf\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u4fe1\u4ee4\u5f00\u9500\u548c\u7a7a\u4e2d\u65f6\u95f4\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u529f\u8017\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>RRC\u8fde\u63a5\u7ba1\u7406<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u63a7\u5236\u9762\u4f18\u5316\u4e2d\uff0c\u65e0\u7ebf\u8bbe\u5907\u65e0\u9700\u6267\u884c\u521d\u59cb\u7684AS\u5b89\u5168\u6fc0\u6d3b\u7a0b\u5e8f\u5373\u53ef\u7acb\u5373\u5f00\u59cb\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u4f7f\u5f97\u8bbe\u5907\u5728\u8f6c\u6362\u5230RRC\u8fde\u63a5\u72b6\u6001\u540e\u80fd\u591f\u76f4\u63a5\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5f53RRC\u8fde\u63a5\u88ab\u6062\u590d\u65f6\uff0c\u65e0\u7ebf\u8bbe\u5907\u91cd\u65b0\u6fc0\u6d3bAS\u5b89\u5168\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>PDCP\u5c42\u7ed5\u8fc7<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8e\u4ec5\u652f\u6301\u63a7\u5236\u9762CIoT EPS\u4f18\u5316\u7684NB-IoT\u7ec8\u7aef\uff0cPDCP\u5c42\u4f1a\u88ab\u7ed5\u8fc7\uff0c\u4e0d\u53c2\u4e0e\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u7ec8\u7aef\u540c\u65f6\u652f\u6301\u63a7\u5236\u9762CIoT EPS\u4f18\u5316\u548cS1-U\u6570\u636e\u4f20\u8f93\u6216\u7528\u6237\u9762CIoT EPS\u4f18\u5316\uff0c\u5219\u5728AS\u5b89\u5168\u672a\u6fc0\u6d3b\u4e4b\u524d\uff0cPDCP\u5c42\u4e5f\u4e0d\u53c2\u4e0e\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u63a7\u5236\u9762\u4f18\u5316\u7279\u522b\u9002\u7528\u4e8e\u5076\u5c14\u4f20\u8f93\u5c11\u91cf\u6570\u636e\u7684\u670d\u52a1\uff0c\u56e0\u4e3a\u5176\u51cf\u5c11\u4e86\u6240\u9700\u7684\u4fe1\u4ee4\u6570\u91cf\u548c\u7a7a\u4e2d\u65f6\u95f4\uff0c\u4ece\u800c\u4f18\u5316\u4e86\u529f\u8017\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u652f\u6301\u975eIP\u534f\u8bae(\u5982UDP)\u53ef\u4ee5\u8fdb\u4e00\u6b65\u964d\u4f4e\u8fde\u63a5\u5efa\u7acb\u7684\u65f6\u95f4\uff0c\u800cTCP\u5219\u4fdd\u6301\u8fde\u63a5\u76f4\u5230\u6536\u5230\u786e\u8ba4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u7528\u6237\u9762\u4f18\u5316\u4f20\u8f93\u65b9\u6848(User Plane CIoT EPS Optimization)<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93\u673a\u5236<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u7528\u6237\u9762\u4f18\u5316\u5141\u8bb8\u65e0\u7ebf\u8bbe\u5907\u901a\u8fc7\u7528\u6237\u5e73\u9762\u53d1\u9001\u591a\u4e2a\u6570\u636e\u5305\uff0c\u9002\u5408\u9700\u8981\u4f20\u8f93\u8f83\u591a\u4fe1\u606f\u7684\u670d\u52a1\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7528\u6237\u9762\u8fde\u63a5\u53ef\u4ee5\u901a\u8fc7IP over User Plane(\u901a\u5e38\u4e3aTCP)\u6216SMS\u5b9e\u73b0\u4f20\u7edfLTE\u4fe1\u606f\u4f20\u8f93\u673a\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>PDCP\u5c42\u4f7f\u7528<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8e\u652f\u6301\u7528\u6237\u9762CIoT EPS\u4f18\u5316\u7684NB-IoT\u7ec8\u7aef\uff0c\u5728AS\u5b89\u5168\u672a\u6fc0\u6d3b\u4e4b\u524d\uff0cPDCP\u5c42\u4e0d\u4f1a\u88ab\u4f7f\u7528\uff0c\u76f4\u5230AS\u5b89\u5168\u6fc0\u6d3b\u540e\u624d\u5f00\u59cb\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u529f\u8017\u8003\u91cf<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u867d\u7136\u7528\u6237\u9762\u8fde\u63a5\u53ef\u80fd\u6d88\u8017\u66f4\u591a\u7684\u7535\u529b\uff0c\u4f46\u5bf9\u4e8e\u9700\u8981\u53d1\u9001\u5927\u91cf\u6570\u636e\u7684\u670d\u52a1\u6765\u8bf4\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53ef\u80fd\u66f4\u9ad8\u6548\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u975eIP\u534f\u8bae(\u5982UDP)\u5728\u7528\u6237\u9762\u4e0a\u8fdb\u884c\u901a\u4fe1\u53ef\u80fd\u4f1a\u53d7\u5230\u9650\u5236\uff0c\u56e0\u4e3a\u9ad8\u6548\u534f\u8bae\u7684\u6548\u76ca\u53ef\u80fd\u4f1a\u88ab\u7528\u6237\u9762\u8fde\u63a5\u7684\u5f00\u9500\u62b5\u6d88\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u4e2d\u7684\u63a7\u5236\u9762\u548c\u7528\u6237\u9762\u4f18\u5316\u4f20\u8f93\u65b9\u6848\u901a\u8fc7\u4e0d\u540c\u7684\u6280\u672f\u624b\u6bb5\u5b9e\u73b0\u4e86\u5bf9\u5c0f\u6570\u636e\u4f20\u8f93\u6548\u7387\u7684\u63d0\u5347\uff0c\u5177\u4f53\u5305\u62ec\u6570\u636e\u5c01\u88c5\u3001RRC\u8fde\u63a5\u7ba1\u7406\u3001PDCP\u5c42\u7684\u7ed5\u8fc7\u4ee5\u53ca\u529f\u8017\u4f18\u5316\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 CoAP\u534f\u8bae\u5728NB-IoT\u8bbe\u5907\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000CoAP\u534f\u8bae\u5728NB-IoT\u8bbe\u5907\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u975e\u5e38\u5e7f\u6cdb\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u4f53\u7684\u5b9e\u4f8b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u533b\u7597\u9886\u57df\uff0c\u57fa\u4e8eNB-IoT\u7684\u667a\u80fd\u70b9\u6ef4\u8f93\u6db2\u88c5\u7f6e\u901a\u8fc7CoAP\u534f\u8bae\u4e0e\u534e\u4e3a\u4e91\u5e73\u53f0\u5efa\u7acb\u8fde\u63a5\u3002\u8be5\u7cfb\u7edf\u5229\u7528\u56fa\u7f51\u30012G\/3G\/4G\/5G\u3001NB-IoT\u7b49\u591a\u79cd\u7f51\u7edc\u63a5\u5165\u7269\u8054\u7f51\u5e73\u53f0\uff0c\u5e76\u4f7f\u7528LWM2M\/CoAP\u6216MQTT\u534f\u8bae\u5c06\u4e1a\u52a1\u6570\u636e\u4e0a\u62a5\u5230\u5e73\u53f0\uff0c\u540c\u65f6\u5e73\u53f0\u4e5f\u53ef\u4ee5\u5c06\u63a7\u5236\u547d\u4ee4\u4e0b\u53d1\u7ed9\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u667a\u80fd\u5bb6\u7535\u884c\u4e1a\u4e5f\u5e7f\u6cdb\u5e94\u7528\u4e86NB-IoT\u6280\u672f\u3002\u4f8b\u5982\uff0c\u91c7\u7528\u6d77\u601d\u82af\u7247\u7684NB-IoT\u901a\u4fe1\u6a21\u7ec4\u652f\u6301UDP\u534f\u8bae\u4f20\u8f93\uff0c\u540c\u65f6\u652f\u6301\u57fa\u4e8eUDP\u7684CoAP\u534f\u8bae\u7684\u4f20\u8f93\u3002\u8fd9\u79cd\u6280\u672f\u652f\u6301\u4f7f\u5f97\u7ec8\u7aef\u5382\u5546\u80fd\u591f\u5f00\u53d1\u51fa\u591a\u79cd\u57fa\u4e8eUDP\u7684\u7269\u8054\u7f51\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7269\u8054\u7f51\u5e73\u53f0\u5982\u963f\u91cc\u4e91\u548cEnOS\u5747\u652f\u6301\u901a\u8fc7CoAP\u534f\u8bae\u8fdb\u884c\u8bbe\u5907\u63a5\u5165\u548c\u7ba1\u7406\u3002\u8fd9\u4e9b\u5e73\u53f0\u4e0d\u4ec5\u652f\u6301DTLS(DTLS\u662f\u4e00\u79cd\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae)\u548c\u5bf9\u79f0\u52a0\u5bc6\u4e24\u79cd\u8ba4\u8bc1\u65b9\u5f0f\uff0c\u8fd8\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u81ea\u4e3b\u63a5\u5165\u6d41\u7a0b\uff0c\u786e\u4fdd\u4f4e\u529f\u8017\u8bbe\u5907\u7684\u5b89\u5168\u8fde\u63a5\u548c\u6570\u636e\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u57fa\u4e8eNB-IoT\u7ec8\u7aef\u901a\u8fc7CoAP\u901a\u4fe1\u534f\u8bae\u4e0e\u4e2d\u56fd\u7535\u4fe1NB-IoT\u4e1a\u52a1\u63a5\u5165\u7f51\u5173\u8fde\u63a5\u540e\uff0c\u7ec8\u7aef\u65e0\u9700\u53d1\u9001\u5fc3\u8df3\u6d88\u606f\u5373\u53ef\u4fdd\u6301\u4f1a\u8bdd\uff0c\u5b9e\u73b0\u4e91\u7aef\u5e94\u7528\u4e3b\u52a8\u53d1\u8d77\u7684\u4e0b\u53d1\u63a7\u5236\u3002\u6b64\u5916\uff0c\u8fd8\u652f\u6301\u57fa\u4e8eLwM2M\u7684\u6279\u91cf\u5347\u7ea7\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000CoAP\u534f\u8bae\u9002\u7528\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u4f4e\u529f\u8017\u8bbe\u5907\uff0c\u5982NB-IoT\u8bbe\u5907\u3002\u8bbe\u5907\u53ef\u4ee5\u5728\u5524\u9192\u72b6\u6001\u4e0b\u76f4\u63a5\u53d1\u9001\u6570\u636e\uff0c\u5b8c\u6210\u540e\u8fdb\u5165\u4f11\u7720\u72b6\u6001\u4ee5\u8282\u7701\u7535\u80fd\u3002\u8fd9\u79cd\u5e94\u7528\u5c42\u534f\u8bae\u53ef\u4ee5\u5229\u7528Wi-Fi\u3001\u4ee5\u592a\u7f51\u3001\u8702\u7a9d\u7f51\u7edc\u7b49\u591a\u79cd\u8054\u7f51\u65b9\u5f0f\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 NB-IoT\u652f\u6301UDP\u3001TCP\/IP\u7b49\u591a\u79cd\u534f\u8bae\u4f20\u8f93\u7684\u6280\u672f<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT(\u7a84\u5e26\u7269\u8054\u7f51)\u652f\u6301UDP\u548cTCP\/IP\u7b49\u591a\u79cd\u534f\u8bae\u4f20\u8f93\uff0c\u5176\u6280\u672f\u7ec6\u8282\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u8bbe\u5907\u5185\u5d4c\u6807\u51c6\u7684TCP\/IP\u534f\u8bae\u6808\uff0c\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u8fdb\u884c\u590d\u6742\u7684\u7f51\u7edc\u901a\u4fe1\u3002\u5177\u4f53\u6765\u8bf4\uff0cTCP\/IP\u534f\u8bae\u5305\u62ec\u5e94\u7528\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u7f51\u7edc\u5c42\u548c\u6570\u636e\u94fe\u8def\u5c42\u3002\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7AT\u547d\u4ee4\u6765\u63a7\u5236\u548c\u914d\u7f6eNB-IoT\u6a21\u5757\u7684\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u652f\u6301\u901a\u8fc7UDP\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u4f7f\u7528UDP\u7684\u4f18\u70b9\u662f\u4f20\u8f93\u6548\u7387\u9ad8\u3001\u65f6\u5ef6\u4f4e\uff0c\u9002\u7528\u4e8e\u5bf9\u6570\u636e\u53ef\u9760\u6027\u8981\u6c42\u4e0d\u9ad8\u4f46\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u3002\u5728NB\u6a21\u5757\u7684UDP\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u822c\u5305\u62ec\u6253\u5f00UDP\u7aef\u53e3\u3001\u53d1\u9001\u6570\u636e\u7b49\u6b65\u9aa4\u3002\u6b64\u5916\uff0cNB-IoT\u8fd8\u652f\u6301\u901a\u8fc7UDP\u8f6c\u53d1\u670d\u52a1\u5668\u5c06\u81ea\u5df1\u7684\u6570\u636e\u4e0a\u4f20\u5230\u81ea\u5df1\u7684\u670d\u52a1\u5668\uff0c\u5e76\u5728\u670d\u52a1\u5668\u7aef\u6784\u5efa\u7b80\u5355\u7684\u56de\u4f20UDP\u670d\u52a1\u3002<\/p>\n\n\n\n<p>\u3000\u3000CoAP\u662f\u4e00\u79cd\u4e13\u4e3a\u4f4e\u529f\u8017\u8bbe\u5907\u8bbe\u8ba1\u7684\u8f7b\u91cf\u7ea7\u534f\u8bae\uff0c\u57fa\u4e8eUDP\u4f20\u8f93\u3002\u5b83\u5e38\u7528\u4e8eHTTP\u548cMQTT\u7b49\u534f\u8bae\u4e2d\uff0c\u4f9d\u8d56\u4e8e\u7f51\u7edc\u5c42\u7684IP\u6280\u672f\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u652f\u6301\u591a\u4e2d\u5fc3(\u591a\u8fbe5\u4e2a)\u548cTCP server\u529f\u80fd\uff0c\u8fd9\u610f\u5473\u7740\u4e00\u4e2aNB-IoT\u8bbe\u5907\u53ef\u4ee5\u540c\u65f6\u8fde\u63a5\u591a\u4e2a\u4e2d\u5fc3\u5e76\u63d0\u4f9bTCP\u670d\u52a1\u5668\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u603b\u7ed3\u800c\u8a00\uff0cNB-IoT\u901a\u8fc7\u5185\u5d4c\u6807\u51c6\u7684TCP\/IP\u534f\u8bae\u6808\u4ee5\u53ca\u652f\u6301UDP\u548cCoAP\u7b49\u534f\u8bae\uff0c\u5b9e\u73b0\u4e86\u591a\u6837\u5316\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\uff0c\u6ee1\u8db3\u4e86\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 MQTT\u534f\u8bae\u5982\u4f55\u5b9e\u73b0\u4e0eNB-IoT\u8bbe\u5907\u7684\u9ad8\u6548\u6570\u636e\u4f20\u8f93?<\/h2>\n\n\n\n<p>\u3000\u3000MQTT\u534f\u8bae\u901a\u8fc7\u5176\u8f7b\u91cf\u7ea7\u548c\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u673a\u5236\uff0c\u80fd\u591f\u5b9e\u73b0\u4e0eNB-IoT\u8bbe\u5907\u7684\u9ad8\u6548\u6570\u636e\u4f20\u8f93\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul 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