{"id":19805,"date":"2022-03-25T13:49:53","date_gmt":"2022-03-25T05:49:53","guid":{"rendered":"https:\/\/hongtronics.com\/?p=19805"},"modified":"2024-09-18T10:50:34","modified_gmt":"2024-09-18T02:50:34","slug":"hsr-prp-cut-through-switching-store-and-forward","status":"publish","type":"post","link":"https:\/\/hongtronics.com\/en\/hsr-prp-cut-through-switching-store-and-forward\/","title":{"rendered":"What is HSR&amp;PRP? FPGA Realization of Switching Latency for Straight-Through Switching and Store-and-Forwarding"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"146\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-1024x146.gif\" alt=\"\" class=\"wp-image-19754\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-1024x146.gif 1024w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-300x43.gif 300w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-600x86.gif 600w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-768x110.gif 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u5c55\u793a\u5169\u7a2e\u53ef\u5728FPGA\u4e0a\u5be6\u73fe\u7684COTS IEC 62439-3\u4ea4\u63db\u6a5fIP\u6838\u7684\u5ef6\u9072\u7684\u6bd4\u8f03\u3002\u7b2c\u4e00\u7a2e\u662f\u6df7\u5408\u4f7f\u7528\u76f4\u901a\u4ea4\u63db\u548c\u5b58\u5132-\u8f49\u767c\u4ea4\u63db\u67b6\u69cb\uff0c\u7b2c\u4e8c\u7a2e\u5247\u662f\u50c5\u57fa\u65bc\u5b58\u5132-\u8f49\u767c\u4ea4\u63db\u6280\u8853\u3002<\/p>\n\n\n\n<h2 class=\"has-pale-cyan-blue-background-color has-background wp-block-heading\">\u4e00\u3001\u53ef\u9760\u7684\u4ee5\u592a\u7db2\u6280\u8853\u2014\u2014HSR&amp;PRP<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u5982\u4eca\uff0cHSR\/PRP\u7b49\u53ef\u9760\u7684\u4ee5\u592a\u7db2\u7db2\u8def\u6b63\u5728\u7372\u5f97\u8a31\u591a\u5de5\u696d\u81ea\u52d5\u5316\u61c9\u7528\u7684\u8a8d\u53ef\u3002<\/strong>\u9019\u7a2e\u6f14\u8b8a\u7684\u4e00\u500b\u6709\u529b\u8b49\u64da\u662f\u570b\u969b\u96fb\u5de5\u59d4\u54e1\u6703\u63a1\u7528\u4e86\u57fa\u65bc\u9ad8\u53ef\u9760\u6027\u7121\u7e2b\u5197\u9918(HSR)\u4ee5\u592a\u7db2\u7684\u5354\u8b70\u548c\u7528\u65bc\u8b8a\u96fb\u7ad9\u81ea\u52d5\u5316\u7684\u4e26\u884c\u5197\u9918\u5354\u8b70(PRP) \uff08IEC 62439-3 \u7b2c5 \u548c4 \u689d\uff09\u3002\u9019\u5169\u7a2e\u5354\u8b70\u90fd\u63d0\u4f9b\u96f6\u5207\u63db\u5ef6\u9072\u6642\u9593\uff0c\u5728\u6545\u969c\u60c5\u6cc1\u4e0b\u4e0d\u4e1f\u5931\u5e40\uff0c\u4e26\u88ab\u7576\u4f5c\u5728\u7b2c2 \u5c64\u9032\u884c\u7db2\u8def\u76e3\u7763\u7684\u5f37\u5927\u624b\u6bb5\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"625\" height=\"327\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-99.png\" alt=\"\" class=\"wp-image-19755\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-99.png 625w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-99-300x157.png 300w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-99-600x314.png 600w\" sizes=\"(max-width: 625px) 100vw, 625px\" \/><figcaption>HSR\u55ae\u64ad\u6d41\u91cf\u74b0\u914d\u7f6e\u793a\u4f8b<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">HSR\u5e40\u8207\u50b3\u7d71\u7684\u4ee5\u592a\u7db2\u57fa\u790e\u8a2d\u65bd\u4e0d\u76f8\u5bb9\uff0c\u800cPRP\u5247\u5141\u8a31\u900f\u904e\u5169\u500b\u50b3\u7d71\u7684\u4ee5\u592a\u7db2\u7db2\u8def\u767c\u9001\u91cd\u8907\u5e40\u3002\u56e0\u6b64\uff0cPRP \u7684\u61c9\u7528\u9818\u57df\u66f4\u70ba\u5ee3\u6cdb\uff0c\u5118\u7ba1\u5b83\u4e26\u4e0d\u662f\u5c08\u9580\u70ba\u201c\u5be6\u6642\u201d\u4ee5\u592a\u7db2\u74b0\u5883\u8a2d\u8a08\u7684\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u201c\u5be6\u6642\u201d\u610f\u5473\u8457\u5728\u8a0a\u865f\u767c\u751f\u5f8c\u7684\u53ef\u9810\u6e2c\u6642\u9593\u5167\u5c0d\u5176\u9032\u884c\u97ff\u61c9\u3002<\/strong>\u4f8b\u5982\uff0c\u73fe\u4ee3\u6578\u5b57\u63a7\u5236\u8ff4\u8def\u9700\u8981\u4f4e\u65bc10\u00b5s\u7684\u53cd\u61c9\u6642\u9593\u3002\u6700\u65b0\u7684\u57fa\u65bc\u4ee5\u592a\u7db2\u7684\u63a7\u5236\u5354\u8b70\u5982EtherCAT\u6216Sercos III\u7b49\u5f80\u5f80\u57fa\u65bc\u786c\u9ad4\u4f86\u5be6\u73fe\u53ef\u9810\u6e2c\u7684\u540c\u6b65\u884c\u70ba\u548c\u6975\u4f4e\u7684\u5ef6\u9072\u6642\u9593\u3002<\/p>\n\n\n\n<ul class=\"has-medium-font-size wp-block-list\"><li>HSR\u65e8\u5728\u6eff\u8db3\u70baProcess Bus\u8a2d\u7f6e\u7684\u56b4\u683c\u901a\u8a0a\u8981\u6c42\uff0c\u5b83\u53ef\u4ee5\u5c07\u6bcf\u500b\u9593\u9694\u5c64\u4e2d\u7684\u667a\u80fd\u96fb\u5b50\u8a2d\u5099(IED) \u4e92\u9023\u3002<\/li><li>PRP\u9069\u7528\u65bcStation\u548cInter-Bay Buses\u3002\u7531\u65bc\u8a72\u5354\u8b70\u7684\u9748\u6d3b\u6027\uff0c\u5b83\u53ef\u4ee5\u9023\u63a5\u8a31\u591a\u7570\u69cb\u8a2d\u5099\u3002<\/li><\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u70ba\u4e86\u4fdd\u6301\u901a\u8a0a\u4e2d\u7684\u5197\u9918\uff0cPRP\u548cHSR \u7db2\u8def\u4e4b\u9593\u7684\u4e92\u9023\u662f\u4f7f\u7528\u5197\u9918\u7db2\u95dc\u57f7\u884c\u7684\u3002\u6bcf\u500bHSR\u93c8\u8def\u4f7f\u7528\u5169\u500b\u7db2\u95dc\u8a2d\u5099\u9023\u63a5\u5230\u6bcf\u500bPRP LAN\u3002\u56e0\u6b64\uff0c\u907f\u514d\u4e86\u6f5b\u5728\u7684\u201c\u55ae\u9ede\u6545\u969c\u201d\u554f\u984c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"865\" height=\"607\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T131921.123.png\" alt=\"\" class=\"wp-image-19825\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T131921.123.png 865w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T131921.123-300x211.png 300w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T131921.123-600x421.png 600w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T131921.123-768x539.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><figcaption>\u900f\u904eHSR\u548cPRP\u7684\u8b8a\u96fb\u7ad9\u7db2\u8def\u901a\u8a0a<\/figcaption><\/figure>\n\n\n\n<h2 class=\"has-pale-cyan-blue-background-color has-background wp-block-heading\">\u4e8c\u3001\u76f4\u901a\u8207\u5b58\u5132\u8f49\u767c<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u76f4\u901a\u548c\u5b58\u5132\u8f49\u767cL2 \u4ea4\u63db\u90fd\u57fa\u65bc\u6578\u64da\u5305\u7684\u76ee\u6a19MAC \u5730\u5740\u505a\u51fa\u8f49\u767c\u6c7a\u7b56\u3002\u5b83\u5011\u4e4b\u9593\u7684\u4e3b\u8981\u5340\u5225\u662f\uff1a<\/p>\n\n\n\n<ul class=\"has-medium-font-size wp-block-list\"><li>\u5b58\u5132\u8f49\u767c\u4ea4\u63db\u5728\u6536\u5230\u6574\u500b\u6578\u64da\u5305\u5f8c\u505a\u51fa\u6c7a\u5b9a\u3002<\/li><li>\u76f4\u901a\u4ea4\u63db\u5728\u5206\u6790\u76ee\u6a19MAC \u5730\u5740\u5f8c\u505a\u51fa\u8f49\u767c\u6c7a\u5b9a\uff0c\u8a72\u5730\u5740\u4f4d\u65bc\u5e40\u7684\u7b2c\u4e00\u90e8\u5206\u3002<\/li><\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u5728\u5b58\u5132\u8f49\u767c\u4ea4\u63db\u4e2d\uff0c\u5ef6\u9072\u6642\u9593\u5305\u62ec\u63a5\u6536\u6574\u500b\u5e40\u6240\u9700\u7684\u6642\u9593\u3002\u56e0\u6b64\uff0c\u8207\u76f4\u901a\u4ea4\u63db\u76f8\u6bd4\uff0c\u5b58\u5132\u8f49\u767c\u4ea4\u63db\u7684\u5ef6\u9072\u6642\u9593\u66f4\u9577\u3002<\/p>\n\n\n\n<h2 class=\"has-pale-cyan-blue-background-color has-background wp-block-heading\">\u4e09\u3001\u8f49\u767c\u5ef6\u9072\u6642\u9593<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u5728Xilinx FPGA\u4e0a\u7684\u8679\u79d1HSR-PRP IP Core \u4e2d\u5be6\u73fe\u9019\u5169\u7a2e\u65b9\u6cd5\uff08\u4e00\u7a2e\u6df7\u5408\u76f4\u901a\u548c\u5b58\u5132\u8f49\u767c\uff0c\u53e6\u4e00\u7a2e\u662f\u7d14\u5b58\u5132\u8f49\u767c\uff09\uff0c\u7d50\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"562\" height=\"472\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T132112.506.png\" alt=\"\" class=\"wp-image-19826\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T132112.506.png 562w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T132112.506-300x252.png 300w\" sizes=\"(max-width: 562px) 100vw, 562px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-cyan-blue-background-color has-background no-border-radius\"><strong>\u6df7\u5408\u76f4\u901a\u548c\u5b58\u5132\u8f49\u767c\u5ef6\u9072<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"552\" height=\"476\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T132201.459.png\" alt=\"\" class=\"wp-image-19827\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T132201.459.png 552w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-2022-03-25T132201.459-300x259.png 300w\" sizes=\"(max-width: 552px) 100vw, 552px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-cyan-blue-background-color has-background no-border-radius\"><strong>\u5b58\u5132\u8f49\u767c\u5ef6\u9072<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u56e0\u6b64\uff0c\u53ef\u4ee5\u8aaa\u8679\u79d1HSR-PRP IP Core \u5be6\u73fe\u4e86\u5c08\u70baPRP\u548cHSR\u5354\u8b70\u8a2d\u8a08\u7684\u4ea4\u63db\u67b6\u69cb\u3002<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u7406\u8ad6\u4e0a\u7684\u6700\u5c0f\u5ef6\u9072\u6642\u9593\u662f\u900f\u904e\u8003\u616e\u4ee5\u592a\u7db2\u5e40\u7684\u5f37\u88fd\u5b57\u6bb5\u4f86\u8a08\u7b97\u7684\uff0c\u9019\u610f\u5473\u8457\u5fc5\u9808\u5c0d\u9019\u4e9b\u5b57\u6bb5\u9032\u884c\u5206\u6790\u4ee5\u505a\u51fa\u4ea4\u63db\u6c7a\u7b56\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u5728\u76f4\u901a\u4e2d\uff0c\u6642\u9593\u8207\u5e40\u9577\u5ea6\u7121\u95dc\uff0c\u56e0\u6b64\u5b83\u5c07\u662f\u6046\u5b9a\u7684\u3002\u5728\u7d14\u5b58\u5132\u8f49\u767c\u65b9\u6cd5\u7684\u60c5\u6cc1\u4e0b\uff0c\u5728\u958b\u59cb\u91cd\u50b3\u4e4b\u524d\u9700\u8981\u5b58\u5132\u6574\u500b\u5e40\uff0c\u56e0\u6b64\u5ef6\u9072\u53d6\u6c7a\u65bc\u5e40\u9577\u5ea6\u3002\u53ef\u4ee5\u770b\u51fa\uff0c\u5b83\u6bd4\u512a\u5316\u7684\u76f4\u901a\u4ea4\u63db\u67b6\u69cb\u5927\u4e00\u500b\u6578\u91cf\u7d1a\u3002<\/p>\n\n\n\n<h2 class=\"has-pale-cyan-blue-background-color has-background wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><br>1\u3001\u5206\u6790\u8868\u660e\uff0c\u5c07\u76f4\u901a\u8207\u5b58\u5132\u8f49\u767c\u65b9\u6cd5\u76f8\u7d50\u5408\u7684\u5b9a\u5236\u67b6\u69cb\u5728\u4efb\u4f55\u60c5\u6cc1\u4e0b\u90fd\u80fd\u63d0\u4f9b\u6700\u4f73\u7684\u5ef6\u9072\u6642\u9593\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">2\u3001FPGA\u5728\u9019\u4e9b\u65b0\u5354\u8b70\u4e2d\u7684\u4f5c\u7528\u81f3\u95dc\u91cd\u8981\u3002\u4e00\u65b9\u9762\uff0c\u5b83\u5011\u5141\u8a31\u4f4e\u5ef6\u9072\u3001\u9748\u6d3b\u548c\u53ef\u64f4\u5c55\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u6eff\u8db3\u9019\u4e9b\u6a19\u6e96\u4e2d\u8a2d\u5b9a\u7684\u56b4\u683c\u8981\u6c42\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u7576\u5de5\u696d\u88fd\u9020\u5546\u7d50\u5408\u65b0\u5354\u8b70\u548c\u7279\u5b9a\u5354\u8b70\u70ba\u5e02\u5834\u63d0\u4f9b\u8a2d\u5099\u6642\uff0cFPGA\u80fd\u5920\u6e1b\u5c11\u4e0a\u5e02\u6642\u9593\u548c\u98a8\u96aa\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/01\/\u5b8f\u8679\u8cc7\u8a0a\u5361-1024x576.png\" alt=\"\" class=\"wp-image-17585\" width=\"768\" height=\"432\"\/><figcaption>Contact Us<\/figcaption><\/figure><\/div>","protected":false},"excerpt":{"rendered":"<p>\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u5c55\u793a\u5169\u7a2e\u53ef\u5728FPGA\u4e0a\u5be6\u73fe\u7684COTS IEC 62439-3\u4ea4\u63db\u6a5fIP\u6838\u7684\u5ef6\u9072\u7684\u6bd4\u8f03\u3002\u7b2c\u4e00 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