{"id":97982,"date":"2024-09-19T17:30:44","date_gmt":"2024-09-19T09:30:44","guid":{"rendered":"\/\/www.viralrail.com\/?p=97982"},"modified":"2024-09-19T17:30:50","modified_gmt":"2024-09-19T09:30:50","slug":"pxyxj","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97982.html","title":{"rendered":"PTP\u534f\u8bae\u8be6\u89e3"},"content":{"rendered":"\n<p>\u3000\u3000<strong>PTP(Precision Time Protocol\uff0c\u7cbe\u786e\u65f6\u95f4\u534f\u8bae)<\/strong>\u662f\u4e00\u79cd\u7528\u4e8e\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u65f6\u949f\u540c\u6b65\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u3001\u8ba1\u7b97\u673a\u7f51\u7edc\u548c\u7535\u529b\u7f51\u7edc\u7b49\u9886\u57df\u3002\u8be5\u534f\u8bae\u57fa\u4e8eIEEE 1588\u6807\u51c6\uff0c\u80fd\u591f\u8fbe\u5230\u4e9a\u5fae\u79d2\u7ea7\u522b\u7684\u65f6\u949f\u540c\u6b65\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 PTP\u534f\u8bae\u4ecb\u7ecd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. PTP\u534f\u8bae\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n\n\n\n<p>\u3000\u3000PTP\u534f\u8bae\u5b9a\u4e49\u4e86\u4e24\u4e2a\u4e3b\u8981\u89d2\u8272\uff1a\u4e3b\u8282\u70b9(Master)\u548c\u4ece\u8282\u70b9(Slave)\u3002\u4e3b\u8282\u70b9\u662f\u63d0\u4f9b\u65f6\u95f4\u7684\u8bbe\u5907\uff0c\u800c\u4ece\u8282\u70b9\u5219\u662f\u63a5\u6536\u5e76\u540c\u6b65\u5230\u4e3b\u8282\u70b9\u7684\u65f6\u95f4\u7684\u8bbe\u5907\u3002\u5728\u7f51\u7edc\u4e2d\uff0c\u4e00\u4e2aPTP\u57df\u5185\u6709\u4e14\u53ea\u6709\u4e00\u4e2a\u65f6\u949f\u6e90\uff0c\u6240\u6709\u8bbe\u5907\u90fd\u4e0e\u8be5\u65f6\u949f\u6e90\u4fdd\u6301\u540c\u6b65\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. PTP\u534f\u8bae\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000PTP\u534f\u8bae\u901a\u8fc7\u5728\u4e3b\u4ece\u8282\u70b9\u4e4b\u95f4\u4f20\u8f93\u540c\u6b65\u6d88\u606f\u6765\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002\u8fd9\u4e9b\u6d88\u606f\u5305\u62ec\u4e3b\u540c\u6b65\u6d88\u606f\u3001\u5ef6\u8fdf\u54cd\u5e94\u6d88\u606f\u548c\u65f6\u949f\u5ef6\u8fdf\u8bf7\u6c42\u6d88\u606f\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u65f6\u95f4\u6233\u8bb0\u5f55<\/strong>\uff1a\u4e3b\u8282\u70b9\u5728\u7f51\u7edc\u94fe\u8def\u5c42\u6253\u4e0a\u65f6\u95f4\u6233\uff0c\u5e76\u5229\u7528\u652f\u6301IEEE 1588\u534f\u8bae\u7684PHY\u7247\u7cbe\u51c6\u8bb0\u5f55\u65f6\u95f4\u540c\u6b65\u7f51\u7edc\u62a5\u6587\u63a5\u53d7\u6216\u53d1\u9001\u7684\u65f6\u523b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6d88\u606f\u4f20\u8f93<\/strong>\uff1a\u4e3b\u8282\u70b9\u5c06\u5305\u542b\u65f6\u95f4\u6233\u7684\u6d88\u606f\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\uff0c\u4ece\u8282\u70b9\u63a5\u6536\u5230\u6d88\u606f\u540e\uff0c\u4f1a\u8ba1\u7b97\u51fa\u4f20\u64ad\u5ef6\u8fdf\uff0c\u5e76\u5c06\u8fd9\u4e2a\u4fe1\u606f\u53cd\u9988\u7ed9\u4e3b\u8282\u70b9\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u65f6\u95f4\u6821\u6b63<\/strong>\uff1a\u4e3b\u8282\u70b9\u6839\u636e\u4ece\u8282\u70b9\u8fd4\u56de\u7684\u5ef6\u8fdf\u4fe1\u606f\u8c03\u6574\u5176\u53d1\u9001\u7684\u65f6\u95f4\u6233\uff0c\u4ece\u800c\u51cf\u5c11\u8bef\u5dee\u3002\u591a\u4e2a\u4ece\u8282\u70b9\u53ef\u4ee5\u540c\u6b65\u5230\u5355\u4e2a\u4e3b\u8282\u70b9\uff0c\u4ee5\u786e\u4fdd\u6574\u4e2a\u7f51\u7edc\u7684\u65f6\u95f4\u4e00\u81f4\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u64ad\u652f\u6301<\/strong>\uff1aPTP\u534f\u8bae\u652f\u6301\u591a\u64ad\u6d88\u606f\u7684\u5206\u5e03\u5f0f\u7f51\u7edc\u901a\u4fe1\u7cfb\u7edf\uff0c\u4f8b\u5982EtherNet\uff0c\u5e76\u63d0\u4f9b\u5355\u64ad\u6d88\u606f\u7684\u652f\u6301\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. PTP\u534f\u8bae\u7684\u4f18\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000\u76f8\u6bd4\u4f20\u7edf\u7684NTP(Network Time Protocol)\uff0cPTP\u5177\u6709\u66f4\u9ad8\u7684\u540c\u6b65\u7cbe\u5ea6\u548c\u66f4\u4f4e\u7684\u6210\u672c\u3002\u5176\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u5904\u7406\u5ef6\u65f6\u548c\u4f20\u8f93\u5ef6\u65f6\u65b9\u9762\u7684\u4f18\u5316\u3002\u6b64\u5916\uff0cPTP\u8fd8\u5141\u8bb8\u5b9a\u4e49\u53ef\u9009\u529f\u80fd\u96c6\u3001\u9ed8\u8ba4\u503c\u548c\u503c\u8303\u56f4\uff0c\u5e76\u652f\u6301TLV\u6269\u5c55\u3001\u4e8b\u4ef6\u6d88\u606f\u4e2d\u7684\u6807\u5fd7\u5b57\u6bb5\u3001SNMP\u7ba1\u7406\u65b9\u6848\u548c\u540c\u6b65\u7b97\u6cd5\u7b49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u5e94\u7528\u9886\u57df<\/h3>\n\n\n\n<p>\u3000\u3000PTP\u534f\u8bae\u5728\u591a\u4e2a\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5982\u5de5\u4e1a\u63a7\u5236\u3001\u8ba1\u7b97\u673a\u7f51\u7edc\u3001\u7535\u529b\u7f51\u7edc\u4ee5\u53ca\u6a21\u6001\u5206\u6790\u548c\u632f\u52a8\u6d4b\u8bd5\u7b49\u3002\u5728\u8fd9\u4e9b\u5e94\u7528\u4e2d\uff0cPTP\u80fd\u591f\u786e\u4fdd\u7cfb\u7edf\u7684\u65f6\u949f\u7cbe\u786e\u540c\u6b65\uff0c\u907f\u514d\u56e0\u65f6\u949f\u504f\u5dee\u5e26\u6765\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u3000\u3000PTP\u534f\u8bae\u901a\u8fc7\u9ad8\u6548\u7684\u65f6\u95f4\u540c\u6b65\u673a\u5236\uff0c\u5728\u9700\u8981\u9ad8\u7cbe\u5ea6\u65f6\u95f4\u540c\u6b65\u7684\u573a\u666f\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 PTP\u534f\u8bae\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000PTP(Precision Time Protocol\uff0c\u7cbe\u51c6\u65f6\u95f4\u534f\u8bae)\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong>\uff1aPTP\u534f\u8bae\u5728\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u5b9e\u73b0\u5404\u4e2a\u63a7\u5236\u8282\u70b9\u4e4b\u95f4\u7684\u65f6\u95f4\u540c\u6b65\uff0c\u786e\u4fdd\u8fd9\u4e9b\u8282\u70b9\u80fd\u591f\u7cbe\u786e\u534f\u8c03\u548c\u65f6\u95f4\u89e6\u53d1\uff0c\u4ece\u800c\u63d0\u9ad8\u751f\u4ea7\u6548\u7387\u548c\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002\u4f8b\u5982\uff0c\u5728\u5236\u9020\u81ea\u52a8\u5316\u884c\u4e1a\u4e2d\uff0cPTP\u6280\u672f\u88ab\u7528\u4e8e\u4f3a\u670d\u53ca\u4ea4\u6d41\u9a71\u52a8\u5668\u7684\u7f51\u7edc\u540c\u6b65\uff0c\u4ee5\u6ee1\u8db3\u9ad8\u7cbe\u5ea6\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7535\u529b\u7cfb\u7edf<\/strong>\uff1aPTP\u534f\u8bae\u4e5f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u529b\u751f\u4ea7\u548c\u914d\u7535\u9886\u57df\u3002\u5b83\u901a\u8fc7\u63d0\u4f9b\u9ad8\u7cbe\u5ea6\u7684\u65f6\u95f4\u540c\u6b65\u673a\u5236\uff0c\u786e\u4fdd\u7535\u529b\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u548c\u9ad8\u6548\u7ba1\u7406\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93\u4e0e\u53ef\u9760\u6027<\/strong>\uff1aPTP\u6280\u672f\u4e0d\u4ec5\u7528\u4e8e\u65f6\u95f4\u540c\u6b65\uff0c\u8fd8\u63d0\u9ad8\u4e86\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u548c\u51c6\u786e\u6027\u3002\u8fd9\u4e00\u7279\u6027\u4f7f\u5176\u5728\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u3001\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u7b49\u591a\u4e2a\u9886\u57df\u5f97\u5230\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u65f6\u5e94\u7528<\/strong>\uff1a\u7531\u4e8e\u5176\u9ad8\u7cbe\u5ea6\u540c\u6b65\u80fd\u529b\uff0cPTP\u6807\u51c6\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u4e25\u683c\u540c\u6b65\u8981\u6c42\u7684\u5b9e\u65f6\u5e94\u7528\u573a\u666f\uff0c\u5982\u6d4b\u91cf\u4e0e\u63a7\u5236\u3001\u901a\u4fe1\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u89e3\u51b3PTP\u534f\u8bae\u5728\u7f51\u7edc\u5ef6\u8fdf\u548c\u8df3\u6570\u589e\u52a0\u65f6\u7684\u540c\u6b65\u7cbe\u5ea6<\/h2>\n\n\n\n<p>\u3000\u3000\u89e3\u51b3PTP\u534f\u8bae\u5728\u7f51\u7edc\u5ef6\u8fdf\u548c\u8df3\u6570\u589e\u52a0\u65f6\u7684\u540c\u6b65\u7cbe\u5ea6\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f7f\u7528\u900f\u660e\u6216\u8fb9\u754c\u65f6\u949f<\/strong>\uff1a\u900f\u660e\u5f00\u5173\u80fd\u591f\u8bb0\u5f55\u6570\u636e\u5305\u8fdb\u5165\u548c\u79bb\u5f00\u7684\u65f6\u95f4\uff0c\u4ece\u800c\u51c6\u786e\u6d4b\u91cf\u5728\u7f51\u7edc\u4e2d\u7684\u505c\u7559\u65f6\u95f4\u3002\u8fb9\u754c\u65f6\u949f\u5219\u53ef\u4ee5\u5728\u7f51\u7edc\u4e2d\u63d2\u5165\u7cbe\u786e\u7684\u65f6\u95f4\u6233\uff0c\u4ee5\u51cf\u5c11\u7531\u4e8e\u8bbe\u5907\u5185\u90e8\u65f6\u949f\u8bef\u5dee\u5e26\u6765\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u7f51\u7edc\u67b6\u6784<\/strong>\uff1a\u5728\u7f51\u7edc\u8bbe\u8ba1\u4e2d\uff0c\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u4e0d\u652f\u6301IEEE 1588\u6807\u51c6\u7684\u4ea4\u6362\u673a\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u8bbe\u5907\u4f1a\u589e\u52a0\u6570\u636e\u5305\u7684\u5ef6\u8fdf\u53d8\u5316\uff0c\u5f71\u54cd\u4ece\u5c5e\u8282\u70b9\u5230\u4e3b\u8282\u70b9\u7684\u540c\u6b65\u7cbe\u5ea6\u548c\u7a33\u5b9a\u6027\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4ea4\u53c9\u7535\u7f06\u4ee3\u66ff\u4ea4\u6362\u673a\u6765\u521b\u5efa\u4e00\u4e2a\u57fa\u51c6\u7ebf\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u4ea4\u6362\u673a\u5bf9\u540c\u6b65\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u91c7\u7528\u786c\u4ef6\u65f6\u95f4\u6233\u548c\u4e13\u7528\u7f51\u7edc<\/strong>\uff1a\u901a\u8fc7\u5728\u4ea4\u6362\u673a\u4e0a\u63d0\u4f9b\u786c\u4ef6\u65f6\u95f4\u6233\u529f\u80fd\uff0c\u5e76\u4e14\u4f7f\u7528\u4e13\u95e8\u7528\u4e8e\u4f20\u8f93PTP\u6d88\u606f\u7684\u7f51\u7edc(\u5982White Rabbit\u7cfb\u7edf)\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e9a\u7eb3\u79d2\u7ea7\u7684\u540c\u6b65\u7cbe\u5ea6\u3002\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u66f4\u5e7f\u6cdb\u7684\u786c\u4ef6\u652f\u6301\u548c\u4e13\u7528\u7f51\u7edc\u7684\u652f\u6301\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u63a7\u5236\u9891\u7387\u548c\u76f8\u4f4d\u4fe1\u606f<\/strong>\uff1a\u901a\u8fc7\u51cf\u5c11\u540c\u6b65\u6d88\u606f\u95f4\u9694\u6765\u63a7\u5236\u9891\u7387\uff0c\u4ee5\u53ca\u901a\u8fc7\u6d4b\u91cf\u65f6\u5dee\u6765\u63a7\u5236\u76f8\u4f4d\u4fe1\u606f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u65f6\u95f4\u540c\u6b65\u7684\u7cbe\u5ea6\u548c\u901f\u5ea6\u3002\u8fd9\u6709\u52a9\u4e8e\u6700\u5c0f\u5316\u7f51\u7edc\u5ef6\u8fdf\u5bf9\u540c\u6b65\u7cbe\u5ea6\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9a\u671f\u6821\u51c6\u548c\u4f7f\u7528\u9ad8\u7cbe\u5ea6\u65f6\u949f\u6e90<\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u7f51\u7edc\u8bbe\u5907\u7684\u65f6\u949f\u51c6\u786e\u5ea6\u8db3\u591f\u9ad8\uff0c\u53ef\u4ee5\u5b9a\u671f\u8fdb\u884c\u6821\u51c6\uff0c\u5e76\u4f7f\u7528\u66f4\u9ad8\u7cbe\u5ea6\u7684\u65f6\u949f\u6e90\u3002\u6b64\u5916\uff0c\u8fd0\u884c\u65f6\u949f\u63a7\u5236\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u5e2e\u52a9\u7ef4\u6301\u540c\u6b65\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8003\u8651\u7f51\u7edc\u8d1f\u8f7d\u7684\u5f71\u54cd<\/strong>\uff1a\u5728\u9ad8\u8d1f\u8f7d\u73af\u5883\u4e0b\uff0cPTP\u7684\u8868\u73b0\u53ef\u80fd\u4f1a\u53d8\u5dee\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u7f51\u7edc\u65f6\u5e94\u8003\u8651\u9884\u671f\u7684\u7f51\u7edc\u6d41\u91cf\u8d1f\u8f7d\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u540c\u6b65\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 PTP\u534f\u8bae\u4e0eNTP\u534f\u8bae\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u6bd4\u8f83<\/h2>\n\n\n\n<p>\u3000\u3000PTP(Precision Time Protocol\uff0c\u7cbe\u5bc6\u65f6\u95f4\u534f\u8bae)\u548cNTP(Network Time Protocol\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae)\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u8868\u73b0\u6709\u663e\u8457\u5dee\u5f02\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u7cbe\u5ea6\u3001\u9002\u5e94\u6027\u548c\u90e8\u7f72\u590d\u6742\u5ea6\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u7cbe\u5ea6\u89d2\u5ea6\u6765\u770b\uff0cPTP\u80fd\u591f\u63d0\u4f9b\u66f4\u9ad8\u7684\u65f6\u95f4\u540c\u6b65\u7cbe\u5ea6\u3002\u6839\u636e\uff0cPTP\u53ef\u4ee5\u8fbe\u5230\u5fae\u79d2\u7ea7\u751a\u81f3\u4e9a\u5fae\u79d2\u7ea7\u7684\u7cbe\u5ea6\uff0c\u800cNTP\u7684\u7cbe\u5ea6\u901a\u5e38\u5728\u51e0\u6beb\u79d2\u81f3\u51e0\u5341\u6beb\u79d2\u4e4b\u95f4\u3002\u8fd9\u4f7f\u5f97PTP\u66f4\u9002\u5408\u5bf9\u65f6\u95f4\u7cbe\u5ea6\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u9002\u5e94\u6027\u548c\u90e8\u7f72\u590d\u6742\u5ea6\u6765\u770b\uff0cNTP\u5177\u6709\u8f83\u597d\u7684\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u6613\u4e8e\u90e8\u7f72\u548c\u7ef4\u62a4\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cPTP\u7684\u90e8\u7f72\u548c\u7ef4\u62a4\u76f8\u5bf9\u8f83\u590d\u6742\uff0c\u9700\u8981\u786c\u4ef6\u652f\u6301\u4ee5\u5b9e\u73b0\u5ef6\u8fdf\u6821\u6b63\uff0c\u4ece\u800c\u63d0\u9ad8\u65f6\u95f4\u540c\u6b65\u7684\u51c6\u786e\u6027\u3002\u7136\u800c\uff0cPTP\u901a\u8fc7\u8f6f\u786c\u4ef6\u7ed3\u5408\u7684\u65b9\u6848\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u7f51\u7edc\u8d1f\u8f7d\u548c\u7ec8\u7aef\u8bbe\u5907\u7684\u5904\u7406\u4efb\u52a1\uff0c\u8fbe\u5230\u4e9a\u5fae\u79d2\u7ea7\u7684\u540c\u6b65\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u5e94\u7528\u573a\u666f\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5982\u679c\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u65f6\u95f4\u540c\u6b65\uff0cPTP\u662f\u66f4\u5408\u9002\u7684\u9009\u62e9\u3002\u5bf9\u4e8e\u4e00\u822c\u7f51\u7edc\u73af\u5883\uff0cNTP\u5219\u66f4\u5177\u5f39\u6027\u548c\u9002\u5e94\u6027\u3002\u4f8b\u5982\uff0c\u5728\u91d1\u878d\u9886\u57df\uff0cNTP\u534f\u8bae\u88ab\u4e0d\u65ad\u4f18\u5316\u548c\u52a0\u5f3a\uff0c\u4ee5\u9002\u5e94\u9ad8\u5bb9\u9519\u6027\u3001\u9ad8\u5b89\u5168\u6027\u3001\u9ad8\u53ef\u9760\u6027\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000PTP\u4e0eNTP\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u6bd4\u8f83\u663e\u793a\uff0cPTP\u5728\u7cbe\u5ea6\u65b9\u9762\u5177\u6709\u660e\u663e\u4f18\u52bf\uff0c\u9002\u5408\u5bf9\u65f6\u95f4\u7cbe\u5ea6\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f;\u800cNTP\u5219\u5728\u517c\u5bb9\u6027\u3001\u7a33\u5b9a\u6027\u548c\u6613\u7528\u6027\u65b9\u9762\u8868\u73b0\u66f4\u597d\uff0c\u9002\u7528\u4e8e\u4e00\u822c\u7f51\u7edc\u73af\u5883\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 PTP\u534f\u8bae\u7684\u5b89\u5168\u6027\u63aa\u65bd\u6709\u54ea\u4e9b\uff0c\u5982\u4f55\u9632\u6b62\u65f6\u95f4\u653b\u51fb?<\/h2>\n\n\n\n<p>\u3000\u3000PTP(\u7cbe\u5bc6\u65f6\u95f4\u534f\u8bae)\u7684\u5b89\u5168\u6027\u63aa\u65bd\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6d88\u606f\u8ba4\u8bc1\u548c\u5b8c\u6574\u6027\u68c0\u67e5<\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u771f\u5b9e\u6027\uff0cPTP\u62a5\u6587\u901a\u5e38\u4f1a\u9644\u52a0\u4e00\u4e2a\u8ba4\u8bc1TLV(Type-Length-Value)\uff0c\u4ee5\u9a8c\u8bc1\u6d88\u606f\u7684\u8eab\u4efd\u548c\u5185\u5bb9\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8e\u6d88\u606f\u8ba4\u8bc1\u7801(MAC)\u7684\u96c6\u6210\u5b89\u5168\u68c0\u67e5\u6765\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9632\u6b62\u6b3a\u9a97\u653b\u51fb<\/strong>\uff1a\u901a\u8fc7\u786e\u4fdd\u6d88\u606f\u7684\u5b8c\u6574\u6027\u548c\u771f\u5b9e\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u6b3a\u9a97\u653b\u51fb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u9632\u62a4<\/strong>\uff1aPTP\u534f\u8bae\u4e2d\u91c7\u53d6\u4e86\u591a\u79cd\u63aa\u65bd\u6765\u9632\u6b62\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff0c\u4f8b\u5982\u901a\u8fc7\u534f\u8bae\u5b8c\u6574\u6027\u68c0\u67e5\u548c\u5faa\u73af\u5197\u4f59\u6821\u9a8c(CRC)\u7b49\u6280\u672f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u91cd\u653e\u653b\u51fb\u9632\u62a4<\/strong>\uff1a\u4e3a\u4e86\u9632\u6b62\u91cd\u653e\u653b\u51fb\uff0cPTP\u534f\u8bae\u91c7\u7528\u4e86\u6d88\u606f\u8ba4\u8bc1\u7801(MAC)\u548c\u5176\u4ed6\u673a\u5236\u6765\u786e\u4fdd\u6d88\u606f\u7684\u552f\u4e00\u6027\u548c\u65f6\u6548\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u65f6\u95f4\u6df7\u6dc6<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f15\u5165\u968f\u673a\u5ef6\u8fdf\u6216\u5176\u4ed6\u5f62\u5f0f\u7684\u65f6\u95f4\u6df7\u6dc6\u6765\u963b\u6b62\u653b\u51fb\u8005\u51c6\u786e\u6d4b\u7b97\u64cd\u4f5c\u65f6\u95f4\uff0c\u4ece\u800c\u9632\u6b62\u8ba1\u65f6\u653b\u51fb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f7f\u7528\u73b0\u6709\u5b89\u5168\u534f\u8bae<\/strong>\uff1aPTP\u53ef\u4ee5\u4e0e\u73b0\u6709\u7684\u5b89\u5168\u534f\u8bae\u5982MACsec\u548cIPsec\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u8fdb\u4e00\u6b65\u589e\u5f3a\u5176\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u5173\u4e8e\u5982\u4f55\u9632\u6b62\u65f6\u95f4\u653b\u51fb\uff0cPTP\u534f\u8bae\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6d88\u606f\u8ba4\u8bc1\u548c\u5b8c\u6574\u6027\u68c0\u67e5<\/strong>\uff1a\u901a\u8fc7\u9644\u52a0\u8ba4\u8bc1TLV\u548c\u4f7f\u7528\u6d88\u606f\u8ba4\u8bc1\u7801(MAC)\uff0c\u53ef\u4ee5\u786e\u4fdd\u6d88\u606f\u7684\u771f\u5b9e\u6027\u548c\u5b8c\u6574\u6027\uff0c\u4ece\u800c\u9632\u6b62\u57fa\u4e8e\u65f6\u95f4\u4fe1\u606f\u7684\u4f2a\u9020\u6216\u7be1\u6539\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u65f6\u95f4\u6df7\u6dc6<\/strong>\uff1a\u901a\u8fc7\u5f15\u5165\u968f\u673a\u5ef6\u8fdf\u6216\u5176\u4ed6\u5f62\u5f0f\u7684\u65f6\u95f4\u6df7\u6dc6\uff0c\u53ef\u4ee5\u589e\u52a0\u653b\u51fb\u8005\u6d4b\u7b97\u64cd\u4f5c\u65f6\u95f4\u7684\u96be\u5ea6\uff0c\u4ece\u800c\u51cf\u5c11\u65f6\u95f4\u653b\u51fb\u7684\u53ef\u80fd\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u6027\u80fd\u52a0\u5bc6\u5bc6\u94a5\u5237\u65b0<\/strong>\uff1a\u5b9a\u671f\u66f4\u65b0\u52a0\u5bc6\u5bc6\u94a5\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u56e0\u5bc6\u94a5\u6cc4\u9732\u800c\u5bfc\u81f4\u7684\u65f6\u95f4\u653b\u51fb\u3002<\/li>\n\n\n\n<li>\u3000\u3000PTP\u534f\u8bae\u901a\u8fc7\u591a\u79cd\u5b89\u5168\u63aa\u65bd\u548c\u7b56\u7565\u6765\u9632\u6b62\u5404\u79cd\u7c7b\u578b\u7684\u653b\u51fb\uff0c\u5305\u62ec\u65f6\u95f4\u653b\u51fb\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u516d\u3001 \u9488\u5bf9\u7535\u529b\u7f51\u7edc\uff0cPTP\u534f\u8bae\u662f\u5982\u4f55\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u65f6\u949f\u540c\u6b65\u4ee5\u4fdd\u8bc1\u7535\u7f51\u7a33\u5b9a\u6027\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000PTP(Precision Time Protocol\uff0c\u7cbe\u786e\u65f6\u95f4\u534f\u8bae)\u5728\u7535\u529b\u7f51\u7edc\u4e2d\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u65f6\u949f\u540c\u6b65\u4ee5\u4fdd\u8bc1\u7535\u7f51\u7a33\u5b9a\u6027\u7684\u673a\u5236\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4e3b\u4ece\u65f6\u949f\u673a\u5236<\/strong>\uff1a\u5728\u7cfb\u7edf\u7684\u540c\u6b65\u8fc7\u7a0b\u4e2d\uff0c\u4e3b\u65f6\u949f\u5468\u671f\u6027\u53d1\u5e03PTP\u65f6\u95f4\u540c\u6b65\u534f\u8bae\u53ca\u65f6\u95f4\u4fe1\u606f\uff0c\u4ece\u65f6\u949f\u7aef\u53e3\u63a5\u6536\u4e3b\u65f6\u949f\u7aef\u53e3\u53d1\u6765\u7684\u65f6\u95f4\u6233\u4fe1\u606f\u3002\u7cfb\u7edf\u636e\u6b64\u8ba1\u7b97\u51fa\u4e3b\u4ece\u7ebf\u8def\u65f6\u95f4\u5ef6\u8fdf\u53ca\u4e3b\u4ece\u65f6\u95f4\u5dee\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e9a\u5fae\u79d2\u7ea7\u540c\u6b65\u7cbe\u5ea6<\/strong>\uff1aPTP\u534f\u8bae\u5177\u6709\u4e9a\u5fae\u79d2\u7ea7\u7684\u540c\u6b65\u7cbe\u5ea6\uff0c\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u6ee1\u8db3\u667a\u6167\u7535\u7f51\u7cfb\u7edf\u5bf9\u9ad8\u7cbe\u5ea6\u65f6\u949f\u540c\u6b65\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u57fa\u4e8e\u4ee5\u592a\u7f51\u7684\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u7ba1\u7406<\/strong>\uff1aPTP\u5229\u7528\u4ee5\u592a\u7f51\u5b9e\u73b0\u5b50\u5fae\u79d2\u7ea7\u7684\u65f6\u95f4\u540c\u6b65\u7cbe\u5ea6\uff0c\u9002\u7528\u4e8e\u667a\u80fd\u7535\u5b50\u8bbe\u5907(IED)\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f20\u8f93\u5ef6\u65f6\u6d4b\u91cf\u65b9\u6cd5<\/strong>\uff1a\u8be6\u7ec6\u5206\u6790\u4e86PTP\u534f\u8bae\u7684P2P\u6a21\u5f0f\u540c\u6b65\u539f\u7406\uff0c\u5305\u62ec\u540c\u6b65\u62a5\u6587\u3001\u8ddf\u968f\u62a5\u6587\u3001\u7ea7\u5ef6\u65f6\u8bf7\u6c42\u62a5\u6587\u7b49\u5185\u5bb9\uff0c\u5e76\u7ed9\u51fa\u4e86\u4e3b\u949f\u4e0e\u900f\u660e\u65f6\u949f\u3001\u900f\u660e\u65f6\u949f\u4e0e\u4ece\u949f\u4e4b\u95f4\u7684\u4f20\u8f93\u5ef6\u65f6\u6d4b\u91cf\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u907f\u514d\u7f51\u7edc\u8d1f\u8377\u8fc7\u8f7d<\/strong>\uff1a\u901a\u8fc7\u8bbe\u7f6e\u540c\u6b65\u65f6\u95f4\u95f4\u9694\uff0cPTP\u534f\u8bae\u53ef\u4ee5\u907f\u514d\u7ec8\u7aef\u8bbe\u5907\u5904\u7406\u540c\u6b65\u8bf7\u6c42-\u54cd\u5e94\u9891\u7e41\uff0c\u9020\u6210\u7f51\u7edc\u8d1f\u8377\u8fc7\u8f7d\u7684\u60c5\u51b5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u884c\u4e1a\u89c4\u8303\u652f\u6301<\/strong>\uff1aC37.238\u5b9a\u4e49\u4e86\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u5e94\u7528\u7684PTP\u7535\u529b\u884c\u4e1a\u5e94\u7528\u89c4\u8303\uff0c\u8fd9\u662f\u5728\u7279\u5b9a\u53d8\u7535\u7ad9\u7f51\u7edc\u67b6\u6784\u4e2d\u4f7f\u7528\u7684\u6700\u4f18\u9009\u62e9\uff0c\u53ef\u6ee1\u8db3\u7535\u529b\u7cfb\u7edf\u6700\u4e25\u9177\u7684\u65f6\u95f4\u7cbe\u5ea6\u8981\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PTP(Precision 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