{"id":573,"date":"2024-08-17T01:23:00","date_gmt":"2024-08-17T01:23:00","guid":{"rendered":"https:\/\/www.ienlab.com\/?p=573"},"modified":"2024-08-16T09:25:48","modified_gmt":"2024-08-16T09:25:48","slug":"perigee-efficient-peer-to-peer-network-design-for-blockchains","status":"publish","type":"post","link":"https:\/\/www.ienlab.com\/?p=573","title":{"rendered":"Perigee: Efficient Peer-to-Peer Network Design for Blockchains"},"content":{"rendered":"\n<p>Perigee\uff1a\u533a\u5757\u94fe\u7684\u9ad8\u6548\u70b9\u5bf9\u70b9\u7f51\u7edc\u8bbe\u8ba1<\/p>\n\n\n\n<p>\u4f5c\u8005\uff1aThe Ohio State University &amp;&amp; University ofWashington Seattle<\/p>\n\n\n\n<p>Author\uff1aYifan Mao, Soubhik Deb,Shaileshh, Bojja Venkatakrishnan, Sreeram Kannan, Kannan Srinivasan<\/p>\n\n\n\n<p><strong>\u8bba\u6587\u6458\u8981\u539f\u6587\uff1a<\/strong>A key performance metric in blockchains is the latency between when a transaction is broadcast and when it is confirmed (the so-called, confirmation latency). While improvements in consensus techniques can lead to lower confirmation latency, a fundamental lower bound on confirmation latency is the propagation latency of messages through the underlying peer-to-peer (p2p) network (in Bitcoin, the propagation latency is several tens ofseconds). The de facto p2p protocol used by Bitcoin and other blockchains is based on random connectivity: each node connects to a random subset of nodes. The induced p2p network topology can be highly suboptimal since it neglects geographical distance, differences in bandwidth, hash-power and computational abilities across peers. We present Perigee, a decentralized algorithm that automatically learns an efficient p2p topology tuned to the aforementioned network hetero-geneities, purely based on peers\u2019 interactions with their neighbors.Motivated by the literature on the multi-armed bandit problem,Perigee optimally balances the tradeoffbetween retaining connections to knownwell-connected neighbors, and exploring new connections to previously-unseen neighbors. Experimental evaluations show that Perigee reduces the latency to broadcast by 33%. Lastly Perigee is simple, computationally lightweight, adversary-resistant, and compatible with the selfish interests ofpeers, making it an at tractive p2p protocol for blockchains.<\/p>\n\n\n\n<p><strong>\u8bba\u6587\u6458\u8981\u4e2d\u6587\uff1a<\/strong>\u533a\u5757\u94fe\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u6027\u80fd\u6307\u6807\u662f<span style=\"background: #ff0\">\u5e7f\u64ad\u4ea4\u6613\u548c\u786e\u8ba4\u4ea4\u6613\u4e4b\u95f4\u7684\u5ef6\u8fdf\uff08\u6240\u8c13\u7684\u786e\u8ba4\u5ef6\u8fdf\uff09<\/span>\u3002\u867d\u7136\u5171\u8bc6\u6280\u672f\u7684\u6539\u8fdb\u53ef\u4ee5\u964d\u4f4e\u786e\u8ba4\u5ef6\u8fdf\uff0c\u4f46\u786e\u8ba4\u5ef6\u8fdf\u7684\u4e00\u4e2a\u57fa\u672c\u4e0b\u9650\u662f\u6d88\u606f\u901a\u8fc7\u5e95\u5c42\u70b9\u5bf9\u70b9\uff08p2p\uff09\u7f51\u7edc\u7684\u4f20\u64ad\u5ef6\u8fdf\uff08\u5728\u6bd4\u7279\u5e01\u4e2d\uff0c\u4f20\u64ad\u5ef6\u8fdf\u4e3a\u51e0\u5341\u79d2\uff09\u3002\u6bd4\u7279\u5e01\u548c\u5176\u4ed6\u533a\u5757\u94fe\u4f7f\u7528\u7684\u4e8b\u5b9e\u4e0a\u7684p2p\u534f\u8bae\u662f\u57fa\u4e8e\u968f\u673a\u8fde\u63a5\u7684\uff1a\u6bcf\u4e2a\u8282\u70b9\u8fde\u63a5\u5230\u4e00\u4e2a\u968f\u673a\u7684\u8282\u70b9\u5b50\u96c6\u3002\u8bf1\u5bfc\u7684p2p\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u53ef\u80fd\u662f\u9ad8\u5ea6\u6b21\u4f18\u7684\uff0c\u56e0\u4e3a\u5b83<span style=\"background: #ff0\">\u5ffd\u7565\u4e86\u5730\u7406\u8ddd\u79bb\uff0c\u5e26\u5bbd\uff0c\u6563\u5217\u529f\u7387\u548c\u8ba1\u7b97\u80fd\u529b\u7684\u5dee\u5f02<\/span>\u3002\u6211\u4eec\u63d0\u51fa\u4e86Perigee\uff0c\u8fd9\u662f\u4e00\u79cd\u53bb\u4e2d\u5fc3\u5316\u7b97\u6cd5\uff0c\u5b83\u7eaf\u7cb9\u57fa\u4e8e\u5bf9\u7b49\u70b9\u4e0e\u90bb\u5c45\u7684\u4ea4\u4e92\uff0c\u81ea\u52a8\u5b66\u4e60\u9488\u5bf9\u4e0a\u8ff0\u7f51\u7edc\u5f02\u8d28\u6027\u7684\u9ad8\u6548p2p\u62d3\u6251\u3002\u53d7\u591a\u81c2\u5f3a\u76d7\u95ee\u9898\u6587\u732e\u7684\u542f\u53d1\uff0c<span style=\"background: #ff0\">\u8fd1\u5730\u70b9\u6700\u4f73\u5730\u5e73\u8861\u4e86\u4fdd\u7559\u4e0e\u5df2\u77e5\u8fde\u63a5\u826f\u597d\u7684\u90bb\u5c45\u7684\u8fde\u63a5\u548c\u63a2\u7d22\u4e0e\u4ee5\u524d\u672a\u89c1\u8fc7\u7684\u90bb\u5c45\u7684\u65b0\u8fde\u63a5\u4e4b\u95f4\u7684\u6743\u8861<\/span>\u3002\u5b9e\u9a8c\u8bc4\u4f30\u8868\u660e\uff0c\u8fd1\u5730\u70b9\u51cf\u5c11\u5ef6\u8fdf\u5e7f\u64ad\u768433%\u3002\u6700\u540e\uff0cPerigee\u7b80\u5355\uff0c\u8ba1\u7b97\u91cf\u5c0f\uff0c\u6297\u653b\u51fb\uff0c\u5e76\u4e14\u4e0e\u5bf9\u7b49\u70b9\u7684\u81ea\u79c1\u5229\u76ca\u517c\u5bb9\uff0c\u4f7f\u5176\u6210\u4e3a\u533a\u5757\u94fe\u4e0a\u6709\u5438\u5f15\u529b\u7684P2P\u534f\u8bae\u3002<\/p>\n\n\n\n<p><strong>\u7814\u7a76\u95ee\u9898\u3001\u5173\u952e\u95ee\u9898\uff1a<\/strong>\u672c\u6587\u7684\u7814\u7a76\u95ee\u9898\u662f\u5982\u4f55\u8bbe\u8ba1\u4e00\u4e2a<span style=\"background: #ff0\">\u9ad8\u6548\u7684 P2P \u7f51\u7edc\u62d3\u6251\u7ed3\u6784<\/span>\uff0c\u4ee5\u964d\u4f4e\u533a\u5757\u94fe\u4e2d\u533a\u5757\u7684\u4f20\u64ad\u5ef6\u8fdf\u3002<span style=\"background: #ff0\">\u533a\u5757\u7684\u4f20\u64ad\u5ef6\u8fdf<\/span>\u662f\u533a\u5757\u94fe\u6027\u80fd\u7684\u5173\u952e\u6307\u6807\u4e4b\u4e00\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd<span style=\"background: #ff0\">\u4ea4\u6613\u541e\u5410\u91cf\u3001\u4ea4\u6613\u786e\u8ba4\u5ef6\u8fdf\u548c\u5b89\u5168\u6027\u80fd<\/span>\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u800c\u8a00\uff0c\u7814\u7a76\u95ee\u9898\u5305\u542b\u4ee5\u4e0b\u4e09\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>1.\u968f\u673a\u8fde\u63a5\u7684\u5c40\u9650\u6027\uff1a \u5f53\u524d\u533a\u5757\u94fe\uff08\u5982\u6bd4\u7279\u5e01\uff09\u4f7f\u7528\u7684\u968f\u673a\u8fde\u63a5\u7b56\u7565\u5bfc\u81f4 P2P \u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u9ad8\u5ea6\u4f4e\u6548\uff0c\u56e0\u4e3a\u5b83\u5ffd\u7565\u4e86\u8282\u70b9\u95f4\u7684\u5730\u7406\u8ddd\u79bb\u3001\u5e26\u5bbd\u5dee\u5f02\u3001\u7b97\u529b\u5dee\u5f02\u7b49\u56e0\u7d20\u3002<\/p>\n\n\n\n<p>2.\u5df2\u6709\u65b9\u6cd5\u7684\u4e0d\u8db3\uff1a \u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u8fde\u63a5\u7b56\u7565\u548c\u7ed3\u6784\u5316 P2P \u62d3\u6251\u7ed3\u6784\u867d\u7136\u6709\u6240\u6539\u8fdb\uff0c\u4f46\u4ecd\u7136\u65e0\u6cd5\u5b8c\u5168\u89e3\u51b3\u4f20\u64ad\u5ef6\u8fdf\u95ee\u9898\uff0c\u5e76\u4e14\u5bb9\u6613\u53d7\u5230\u653b\u51fb\u3002<\/p>\n\n\n\n<p>3.\u81ea\u9002\u5e94\u90bb\u5c45\u9009\u62e9\uff1a \u5982\u4f55\u8bbe\u8ba1\u4e00\u4e2a\u81ea\u9002\u5e94\u7684\u90bb\u5c45\u9009\u62e9\u7b97\u6cd5\uff0c\u8ba9\u8282\u70b9\u6839\u636e\u81ea\u8eab\u4e0e\u90bb\u5c45\u7684\u4ea4\u4e92\u60c5\u51b5\u52a8\u6001\u8c03\u6574\u8fde\u63a5\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u533a\u5757\u4f20\u64ad\u3002<\/p>\n\n\n\n<p><strong>\u7814\u7a76\u52a8\u673a\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u533a\u5757<span style=\"background: #ff0\">\u4f20\u64ad\u5ef6\u8fdf<\/span>\u662f\u6027\u80fd\u74f6\u9888\uff1a \u5c3d\u7ba1\u5171\u8bc6\u673a\u5236\u6709\u6240\u6539\u8fdb\uff0c\u4f46\u533a\u5757\u4f20\u64ad\u5ef6\u8fdf\u4ecd\u7136\u662f\u533a\u5757\u94fe\u6027\u80fd\u7684\u5173\u952e\u74f6\u9888\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd\u4ea4\u6613\u541e\u5410\u91cf\u3001\u786e\u8ba4\u5ef6\u8fdf\u548c\u5b89\u5168\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u968f\u673a\u8fde\u63a5\u7b56\u7565\u7684\u5c40\u9650\u6027\uff1a \u5f53\u524d\u533a\u5757\u94fe\u4f7f\u7528\u7684\u968f\u673a\u8fde\u63a5\u7b56\u7565\u5bfc\u81f4 P2P \u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u9ad8\u5ea6\u4f4e\u6548\uff0c\u56e0\u4e3a\u5b83\u5ffd\u7565\u4e86\u8282\u70b9\u95f4\u7684\u5730\u7406\u8ddd\u79bb\u3001\u5e26\u5bbd\u5dee\u5f02\u3001\u7b97\u529b\u5dee\u5f02\u7b49\u56e0\u7d20\uff0c\u5bfc\u81f4<span style=\"background: #ff0\">\u533a\u5757\u4f20\u64ad\u8def\u5f84\u8fc2\u56de\uff0c\u5ef6\u8fdf\u589e\u52a0<\/span>\u3002<\/li>\n\n\n\n<li>\u81ea\u9002\u5e94\u90bb\u5c45\u9009\u62e9\u7684\u5fc5\u8981\u6027\uff1a \u9700\u8981\u8bbe\u8ba1\u4e00\u4e2a\u81ea\u9002\u5e94\u7684\u90bb\u5c45\u9009\u62e9\u7b97\u6cd5\uff0c\u8ba9\u8282\u70b9\u6839\u636e\u81ea\u8eab\u4e0e\u90bb\u5c45\u7684\u4ea4\u4e92\u60c5\u51b5\u52a8\u6001\u8c03\u6574\u8fde\u63a5\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u533a\u5757\u4f20\u64ad\uff0c\u5e76\u9002\u5e94\u7f51\u7edc\u5f02\u6784\u6027\u548c\u52a8\u6001\u53d8\u5316\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u7814\u7a76\u610f\u4e49\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u63d0\u5347\u533a\u5757\u94fe\u6027\u80fd\uff1a Perigee \u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u533a\u5757\u7684\u4f20\u64ad\u5ef6\u8fdf\uff0c\u4ece\u800c\u63d0\u9ad8\u4ea4\u6613\u541e\u5410\u91cf\u548c\u786e\u8ba4\u901f\u5ea6\uff0c\u63d0\u5347\u533a\u5757\u94fe\u7684\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u589e\u5f3a\u533a\u5757\u94fe\u5b89\u5168\u6027\uff1a \u66f4\u5feb\u7684\u533a\u5757\u4f20\u64ad\u53ef\u4ee5\u964d\u4f4e\u5206\u53c9\u7684\u6982\u7387\uff0c\u5e76\u4f7f\u53cc\u82b1\u653b\u51fb\u548c\u533a\u5757\u6301\u6709\u653b\u51fb\u66f4\u96be\u5b9e\u65bd\uff0c\u589e\u5f3a\u533a\u5757\u94fe\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u4fc3\u8fdb\u533a\u5757\u94fe\u53d1\u5c55\uff1a \u901a\u8fc7\u63d0\u5347\u6027\u80fd\u548c\u5b89\u5168\u6027\uff0cPerigee \u53ef\u4ee5\u4fc3\u8fdb\u533a\u5757\u94fe\u6280\u672f\u7684\u8fdb\u4e00\u6b65\u53d1\u5c55\uff0c\u4f7f\u5176\u80fd\u591f\u652f\u6301\u66f4\u591a\u5e94\u7528\u573a\u666f\uff0c\u4f8b\u5982\u5927\u89c4\u6a21\u652f\u4ed8\u7cfb\u7edf\u3001\u667a\u80fd\u5408\u7ea6\u7b49\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u7814\u7a76\u5185\u5bb9\uff08\u7b97\u6cd5\u3001\u65b9\u6cd5\u3001\u6280\u672f\u3001\u6a21\u578b\uff09<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u73b0\u6709\u8fde\u63a5\u7b56\u7565\u7684\u4e0d\u8db3<\/li>\n<\/ol>\n\n\n\n<p>\u968f\u673a\u8fde\u63a5\u7b56\u7565\u7684\u5c40\u9650\u6027\uff1a \u6307\u51fa\u5f53\u524d\u533a\u5757\u94fe\u4f7f\u7528\u7684\u968f\u673a\u8fde\u63a5\u7b56\u7565\u5bfc\u81f4 P2P \u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4f4e\u6548\uff0c\u5ffd\u7565\u4e86<span style=\"background: #ff0\">\u8282\u70b9\u95f4\u7684\u5dee\u5f02<\/span>\uff0c\u5bfc\u81f4\u533a\u5757\u4f20\u64ad\u5ef6\u8fdf\u8fc7\u9ad8\u3002<\/p>\n\n\n\n<p>\u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u8fde\u63a5\u7b56\u7565\uff1a \u5206\u6790\u4e86\u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u8fde\u63a5\u7b56\u7565\u7684\u4f18\u7f3a\u70b9\uff0c\u8ba4\u4e3a\u5176\u4ecd\u7136\u65e0\u6cd5\u5b8c\u5168\u89e3\u51b3\u4f20\u64ad\u5ef6\u8fdf\u95ee\u9898\uff0c<span style=\"background: #ff0\">\u5e76\u4e14\u5bb9\u6613\u53d7\u5230\u653b\u51fb<\/span>\u3002<\/p>\n\n\n\n<p>\u7ed3\u6784\u5316 P2P \u62d3\u6251\u7ed3\u6784\uff1a \u5206\u6790\u4e86\u7ed3\u6784\u5316 P2P \u62d3\u6251\u7ed3\u6784\u7684\u4f18\u7f3a\u70b9\uff0c\u8ba4\u4e3a<span style=\"background: #ff0\">\u5176\u6027\u80fd\u63d0\u5347\u6709\u9650\uff0c\u5e76\u4e14\u589e\u52a0\u4e86\u590d\u6742\u6027<\/span>\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"475\" height=\"386\" src=\"https:\/\/www.ienlab.com\/wp-content\/uploads\/2024\/08\/image-8.png\" alt=\"\" class=\"wp-image-575\" style=\"width:500px\" srcset=\"https:\/\/www.ienlab.com\/wp-content\/uploads\/2024\/08\/image-8.png 475w, https:\/\/www.ienlab.com\/wp-content\/uploads\/2024\/08\/image-8-300x244.png 300w\" sizes=\"auto, (max-width: 475px) 100vw, 475px\" \/><\/figure><\/div>\n\n\n<p>2.Perigee \u7b97\u6cd5<\/p>\n\n\n\n<p>Perigee \u63d0\u51fa\u4e86\u4e00\u4e2a\u57fa\u4e8e\u591a\u81c2\u8001\u864e\u673a\u95ee\u9898\u7684\u81ea\u9002\u5e94\u90bb\u5c45\u9009\u62e9\u7b97\u6cd5\uff0c\u8282\u70b9\u6839\u636e\u81ea\u8eab\u63a5\u6536\u533a\u5757\u7684\u65f6\u95f4\u6233\u6765\u8bc4\u4f30\u90bb\u5c45\u7684\u8fde\u63a5\u8d28\u91cf\uff0c\u5e76\u6839\u636e\u8bc4\u5206\u9009\u62e9\u6700\u4f73\u90bb\u5c45\u96c6\u5408\u3002\u8282\u70b9\u5728\u4fdd\u7559\u8fde\u63a5\u826f\u597d\u7684\u90bb\u5c45\u7684\u540c\u65f6\uff0c\u4e5f\u4f1a\u5b9a\u671f\u8fde\u63a5\u968f\u673a\u8282\u70b9\uff0c\u4ee5\u53d1\u73b0\u6f5c\u5728\u66f4\u597d\u7684\u8fde\u63a5\u3002Perigee \u4e0d\u4f9d\u8d56\u4e8e\u8282\u70b9\u7684\u4efb\u4f55\u7279\u5b9a\u5c5e\u6027\uff0c\u56e0\u6b64\u5177\u6709\u66f4\u597d\u7684\u9c81\u68d2\u6027\u548c\u9002\u5e94\u6027\uff0c\u80fd\u591f\u9002\u5e94\u7f51\u7edc\u5f02\u6784\u6027\u548c\u52a8\u6001\u53d8\u5316\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ndnlab.com\/wp-content\/uploads\/2024\/08\/image-16.png\" alt=\"\" class=\"wp-image-357\" style=\"width:500px\" \/><\/figure><\/div>\n\n\n<p>Vanilla Scoring:<\/p>\n\n\n\n<p>\u8bb0\u5f55\u6bcf\u4e2a\u90bb\u5c45\u53d1\u9001\u533a\u5757\u7684\u65f6\u95f4\uff0c\u5e76\u8ba1\u7b97\u6700\u65e9\u5230\u8fbe\u65f6\u95f4\u3002\u5c06\u6240\u6709\u65f6\u95f4\u76f8\u5bf9\u4e8e\u6700\u65e9\u5230\u8fbe\u65f6\u95f4\u8fdb\u884c\u5f52\u4e00\u5316\u3002\u53d6\u5f52\u4e00\u5316\u65f6\u95f4\u7684 90% \u5206\u4f4d\u6570\u4f5c\u4e3a\u90bb\u5c45\u8bc4\u5206\uff0c\u5206\u6570\u8d8a\u4f4e\u8d8a\u597d\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ndnlab.com\/wp-content\/uploads\/2024\/08\/image-17.png\" alt=\"\" class=\"wp-image-358\" style=\"width:500px\" \/><\/figure><\/div>\n\n\n<p>UCB Scoring (Upper Confidence Bound Scoring):<\/p>\n\n\n\n<p>\u8bb0\u5f55\u6bcf\u4e2a\u90bb\u5c45\u53d1\u9001\u533a\u5757\u7684\u65f6\u95f4\uff0c\u5e76\u8ba1\u7b97\u6700\u65e9\u5230\u8fbe\u65f6\u95f4\u3002\u5c06\u6240\u6709\u65f6\u95f4\u76f8\u5bf9\u4e8e\u6700\u65e9\u5230\u8fbe\u65f6\u95f4\u8fdb\u884c\u5f52\u4e00\u5316\u3002\u4f7f\u7528 UCB \u7b97\u6cd5\u8ba1\u7b97\u6bcf\u4e2a\u90bb\u5c45\u7684\u4f20\u64ad\u5ef6\u8fdf\u7f6e\u4fe1\u533a\u95f4\u3002\u5982\u679c\u6240\u6709\u90bb\u5c45\u7684\u7f6e\u4fe1\u533a\u95f4\u6709\u4ea4\u96c6\uff0c\u5219\u4fdd\u7559\u5f53\u524d\u90bb\u5c45\uff1b\u5426\u5219\uff0c\u65ad\u5f00\u7f6e\u4fe1\u533a\u95f4\u4e0b\u9650\u6700\u5927\u7684\u90bb\u5c45\uff0c\u5e76\u8fde\u63a5\u65b0\u7684\u968f\u673a\u90bb\u5c45\u3002<\/p>\n\n\n\n<p><strong>\u4e3b\u8981\u8d21\u732e<\/strong><strong><\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5ef6\u8fdf\u7684\u57fa\u672c\u754c\u9650\u3002\u6211\u4eec\u63d0\u51fa\u4e86\u4e00\u4e2a\u7406\u8bba\u6a21\u578b\uff0c\u7528\u4e8e\u5206\u6790\u5757\u4f20\u64ad\u5ef6\u8fdf\u5728\u6bd4\u7279\u5e01\uff0c\u660e\u786e\u6a21\u578b\u5f02\u6784\u6027\u7684\u901a\u4fe1\u5ef6\u8fdf\u4e4b\u95f4\u7684\u540c\u884c\u3002\u6211\u4eec\u7684\u6a21\u578b\u57fa\u4e8e\u7f51\u7edc\u7cfb\u7edf\u4e2d\u7684\u4e00\u7cfb\u5217\u5de5\u4f5c\uff0c\u8be5\u6a21\u578b\u63d0\u51fa\u53ef\u4ee5\u901a\u8fc7\u5c06\u4e3b\u673a\u5d4c\u5165\u5230\u5ea6\u91cf\u7a7a\u95f4\u4e2d\u6765\u51c6\u786e\u9884\u6d4b\u4e92\u8054\u7f51\u4e0a\u4e3b\u673a\u4e4b\u95f4\u7684\u5ef6\u8fdf\u3002\u5728\u8fd9\u4e2a\u6a21\u578b\u4e2d\uff0c\u6211\u4eec\u53d1\u73b0\uff0c\u4e0e\u5bf9\u7b49\u70b9\u4e4b\u95f4\u7684\u70b9\u5bf9\u70b9\u5ef6\u8fdf\u76f8\u6bd4\uff0c\u5bf9\u7b49\u70b9\u4e4b\u95f4\u7684\u4e92\u8fde\u968f\u673a\u5bfc\u81f4\u4f20\u64ad\u5ef6\u8fdf\u66f4\u4e25\u91cd\u3002\u76f8\u53cd\uff0c\u6211\u4eec\u8fd8\u8868\u660e\uff0c\u5bf9\u7b49\u8282\u70b9\u9009\u62e9\u5177\u6709\u8f83\u5c0f\u5f80\u8fd4\u65f6\u95f4\u5ef6\u8fdf\u7684\u90bb\u5c45\u7684\u62d3\u6251\u7ed3\u6784\uff0c\u63d0\u4f9b\u4e86\u6e10\u8fdb\u7684\u6700\u4f73\u53ef\u80fd\u4f20\u64ad\u5ef6\u8fdf\u3002<\/li>\n\n\n\n<li>\u6700\u4f18\u7b97\u6cd5\u3002\u6211\u4eec\u63d0\u51fa\u4e86\u8fd1\u5730\u70b9\uff08Perigee\uff09\uff0c\u4e00\u4e2a\u5206\u6563\u7684\u90bb\u5c45\u9009\u62e9\u534f\u8bae\uff0c\u5b83\u5b8c\u5168\u57fa\u4e8e\u5bf9\u7b49\u4f53\u4e0e\u5176\u90bb\u5c45\u4e4b\u95f4\u7684\u4ea4\u4e92\u6765\u81ea\u9002\u5e94\u5730\u51b3\u5b9a\u8fde\u63a5\u5230\u54ea\u4e9b\u90bb\u5c45\u3002\u8fd1\u5730\u70b9\u662f\u7531\u7ecf\u5178\u7684\u591a\u81c2\u5f3a\u76d7\u95ee\u9898\u6fc0\u53d1\u7684\uff0c\u5728\u8be5\u95ee\u9898\u4e2d\uff0c\u4e00\u4e2a\u4ee3\u7406\u4eba\u9762\u4e34\u7740\u5728\u8bb8\u591a\u9009\u9879\u4e2d\u9009\u62e9\u4e00\u4e2a\u9009\u9879\u7684\u51b3\u5b9a\uff0c\u8fd9\u4e9b\u9009\u9879\u5177\u6709\u5148\u9a8c\u672a\u77e5\u7684\u5956\u52b1-\u81ea\u9002\u5e94\u5730\u5c1d\u8bd5\u4e0d\u540c\u7684\u9009\u9879\u5e76\u5728\u6700\u4f73\u9009\u62e9\u4e0a\u5f52\u96f6\u3002\u89e3\u51b3\u591a\u81c2\u5f3a\u76d7\u95ee\u9898\u7684\u7b97\u6cd5\u7684\u6838\u5fc3\u539f\u5219\u662f\u5e73\u8861\u63a2\u7d22\uff08\u5c1d\u8bd5\u4ee5\u524d\u672a\u63a2\u7d22\u7684\u9009\u9879\uff09\u548c\u5229\u7528\uff08\u9009\u62e9\u4ee5\u524d\u5df2\u7ecf\u5c1d\u8bd5\u8fc7\u7684\u9009\u9879\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u521b\u65b0\u70b9\u3001\u521b\u65b0\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>Perigee \u662f\u4e00\u79cd\u53bb\u4e2d\u5fc3\u5316\u7684\u7b97\u6cd5\uff0c\u901a\u8fc7\u5c06 p2p \u62d3\u6251\u8bbe\u8ba1\u95ee\u9898\u89c6\u4e3a\u591a\u81c2\u8001\u864e\u673a\u95ee\u9898\uff0c\u5e76\u57fa\u4e8e\u533a\u5757\u5230\u8fbe\u65f6\u95f4\u8bc4\u4f30\u90bb\u5c45\u8fde\u63a5\u8d28\u91cf\uff0c\u4ece\u800c\u81ea\u52a8\u5b66\u4e60\u5e76\u5f62\u6210\u9ad8\u6548\u7684\u8282\u70b9\u8fde\u63a5\u62d3\u6251\uff0c\u6709\u6548\u51cf\u5c11\u533a\u5757\u94fe\u7f51\u7edc\u4e2d\u533a\u5757\u5e7f\u64ad\u7684\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<p><strong>\u6280\u672f\u96be\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5904\u7406\u8282\u70b9\u5f02\u6784\u6027\uff1a \u533a\u5757\u94fe\u7f51\u7edc\u4e2d\u8282\u70b9\u7684\u8ba1\u7b97\u80fd\u529b\u3001\u5e26\u5bbd\u548c\u5730\u7406\u4f4d\u7f6e\u5404\u4e0d\u76f8\u540c\uff0c\u9700\u8981\u6709\u6548\u5904\u7406\u8fd9\u79cd\u5f02\u6784\u6027\uff0c\u786e\u4fdd\u6bcf\u4e2a\u8282\u70b9\u90fd\u80fd\u8fde\u63a5\u5230\u6700\u4f73\u90bb\u5c45\u96c6\u3002<\/li>\n\n\n\n<li>\u7b97\u6cd5\u6536\u655b\u6027\u548c\u5b89\u5168\u6027\uff1a Perigee \u9700\u8981\u5728\u6709\u9650\u65f6\u95f4\u5185\u6536\u655b\u5230\u6700\u4f18\u62d3\u6251\uff0c\u5e76\u9632\u6b62\u6076\u610f\u8282\u70b9\u8fdb\u884c\u653b\u51fb\uff0c\u4f8b\u5982\u65e5\u8680\u653b\u51fb\u6216\u63d0\u4f9b\u865a\u5047\u533a\u5757\u4fe1\u606f\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u8fdb\u4e00\u6b65\u7814\u7a76\u601d\u8def (Future Work)<\/strong>\uff1a<\/p>\n\n\n\n<p>\u52a0\u5f3a\u7406\u8bba\u5206\u6790\uff1a \u5bf9\u7b97\u6cd5\u7684\u6536\u655b\u6027\u3001\u6027\u80fd\u548c\u5b89\u5168\u6027\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u7406\u8bba\u5206\u6790\uff0c\u4ee5\u63d0\u4f9b\u66f4\u575a\u5b9e\u7684\u7406\u8bba\u57fa\u7840\u3002<\/p>\n\n\n\n<p>\u4f18\u5316\u7b97\u6cd5\u8bbe\u8ba1\uff1a \u7814\u7a76\u66f4\u9ad8\u6548\u7684\u8bc4\u5206\u65b9\u6cd5\u3001\u90bb\u5c45\u9009\u62e9\u7b56\u7565\u548c\u62d3\u6251\u7ed3\u6784\uff0c\u4ee5\u63d0\u9ad8\u7b97\u6cd5\u7684\u6027\u80fd\u548c\u9c81\u68d2\u6027\u3002<\/p>\n\n\n\n<p>\u62d3\u5c55\u5e94\u7528\u573a\u666f\uff1a \u5c06 Perigee \u7b97\u6cd5\u5e94\u7528\u4e8e\u5176\u4ed6\u533a\u5757\u94fe\u534f\u8bae\u548c\u7f51\u7edc\u573a\u666f\uff0c\u4ee5\u62d3\u5c55\u5176\u5e94\u7528\u8303\u56f4\u3002<\/p>\n\n\n\n<p><strong>\u4e2a\u4eba\u603b\u7ed3\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u8be5\u7bc7\u8bba\u6587\u63d0\u51fa\u4e86Perigee\uff0c\u8fd9\u662f\u4e00\u79cd\u53d7\u591a\u81c2\u5f3a\u76d7\u95ee\u9898\u542f\u53d1\u7684\u81ea\u9002\u5e94\u7b97\u6cd5\uff0c\u5b83\u53ef\u4ee5\u627e\u5230\u6709\u6548\u7684p2p\u62d3\u6251\u7ed3\u6784\u6765\u51cf\u5c11\u533a\u5757\u94fe\u7f51\u7edc\u4e2d\u7684\u5757\u4f20\u64ad\u65f6\u95f4\u3002\u867d\u7136\u6211\u4eec\u5df2\u7ecf\u4ece\u7ecf\u9a8c\u4e0a\u8bf4\u660e\u4e86\u8fd1\u5730\u70b9\u7684\u6709\u6548\u6027\uff0c\u6211\u4eec\u76f8\u4fe1\u6211\u4eec\u7684\u5de5\u4f5c\u53ea\u662f\u7b2c\u4e00\u6b65\uff0c\u91cd\u8981\u7684\u95ee\u9898\uff0c\u65e0\u8bba\u662f\u7406\u8bba\u95ee\u9898\u548c\u5b9e\u9645\u89e3\u91ca\uff0c\u9700\u8981\u89e3\u51b3\u4e00\u4e2a\u66f4\u900f\u5f7b\u7684\u7406\u89e3\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Perigee\uff1a\u533a\u5757\u94fe\u7684\u9ad8\u6548\u70b9\u5bf9\u70b9\u7f51\u7edc\u8bbe\u8ba1 \u4f5c\u8005\uff1aThe Ohio State University &#038;amp [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":575,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,39,35,36],"tags":[],"class_list":["post-573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-37","category-39","category-ien","category-web-3-0"],"_links":{"self":[{"href":"https:\/\/www.ienlab.com\/index.php?rest_route=\/wp\/v2\/posts\/573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ienlab.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ienlab.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ienlab.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ienlab.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=573"}],"version-history":[{"count":1,"href":"https:\/\/www.ienlab.com\/index.php?rest_route=\/wp\/v2\/posts\/573\/revisions"}],"predecessor-version":[{"id":576,"href":"https:\/\/www.ienlab.com\/index.php?rest_route=\/wp\/v2\/posts\/573\/revisions\/576"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ienlab.com\/index.php?rest_route=\/wp\/v2\/media\/575"}],"wp:attachment":[{"href":"https:\/\/www.ienlab.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ienlab.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ienlab.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}