{"id":2142,"date":"2021-04-06T17:21:46","date_gmt":"2021-04-06T08:21:46","guid":{"rendered":"https:\/\/descartes-search.com\/media\/?p=2142"},"modified":"2021-04-18T17:27:46","modified_gmt":"2021-04-18T08:27:46","slug":"the-byzantine-generals-problem","status":"publish","type":"post","link":"https:\/\/descartes-search.com\/media\/the-byzantine-generals-problem\/","title":{"rendered":"\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u3068\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c"},"content":{"rendered":"
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\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u3068\u306f<\/h2>\n<\/div>\n
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(\u753b\u50cf\u51fa\u5178\uff1ahttps:\/\/www.slideshare.net\/springerw\/byzantine-generals)<\/figcaption><\/figure>\n<\/div>\n
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\u3010\u524d\u63d0\u6761\u4ef6\u3011<\/strong><\/p>\n<\/div>\n

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\u3010\u88cf\u5207\u308a\u8005\u306e\u89e3\u3011<\/strong><\/p>\n<\/div>\n

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\"\u753b\u50cf\u306b<\/div>\n<\/div>\n<\/figure>\n<\/div>\n
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\u3053\u306e\u6642\u3001A\u3055\u3093\u306e\u6301\u3064\uff11BTC\u306b\u95a2\u3057\u3066\u4e8c\u91cd\u652f\u6255\u3044\u304c\u751f\u3058\u3001\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u53d6\u5f15\u30c7\u30fc\u30bf\u4e0a\u3067\u4e0d\u6574\u5408\u304c\u751f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u4e8c\u91cd\u652f\u6255\u3044\u304c\u4e00\u5ea6\u3067\u3082\u8d77\u304d\u3066\u3057\u307e\u3063\u305f\u3089\u305d\u306e\u77ac\u9593\u3001\u901a\u8ca8\u3068\u3057\u3066\u306e\u4fe1\u983c\u6027\u306f\u5931\u308f\u308c\u3001\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u4fa1\u5024\u306f\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/div>\n<\/div>\n
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\u30b5\u30c8\u30b7\u30fb\u30ca\u30ab\u30e2\u30c8\u306f\u3001\u30d3\u30b6\u30f3\u30c1\u30f3\u969c\u5bb3\u8010\u6027\u3092\u6301\u3064\u3001\u6c7a\u6e08\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306b\u30d7\u30eb\u30fc\u30d5\u30fb\u30aa\u30d6\u30fb\u30ef\u30fc\u30af\uff08\u4ed5\u4e8b\u91cf\u306b\u3088\u308b\u8a3c\u660e\uff09<\/strong>\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002\u30d7\u30eb\u30fc\u30d5\u30fb\u30aa\u30d6\u30fb\u30ef\u30fc\u30af\u3068\u306f\u3001<\/span>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u3001\u6319\u52d5\u306e\u4fe1\u983c\u6027\u3092\u3001\u4ed5\u4e8b\u91cf\uff08\u2252\u6295\u4e0b\u3057\u305fCPU\u30d1\u30ef\u30fc\uff09\u306b\u3088\u3063\u3066\u8a55\u4fa1\u3059\u308b\u3068\u3044\u3046\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002<\/div>\n
\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u53d6\u5f15\u30c7\u30fc\u30bf\u3092\u516c\u958b\u5e33\u7c3f\u306b\u8a18\u9332\u3059\u308b\u6a29\u5229\u3092\u5f97\u308b\u305f\u3081\u306b\u306f\u300c\u81a8\u5927\u306a\u8a08\u7b97\u91cf\u304c\u5fc5\u8981\u306a\u6f14\u7b97\u300d<\/strong>\u3092\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/div>\n
\u305d\u306e\u305f\u3081\u3001\u60aa\u610f\u3042\u308b\u30cf\u30c3\u30ab\u30fc\u304c\u53d6\u5f15\u5c65\u6b74\u3092\u6063\u610f\u7684\u306b\u6539\u3056\u3093\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ed6\u306e\u5584\u826f\u306a\u53c2\u52a0\u8005\u306e\u6301\u3064CPU\u30d1\u30ef\u30fc\u306e\u7dcf\u548c\u3092\u8d85\u3048\u308b\u91cf\u306eCPU\u30d1\u30ef\u30fc\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/span>\u3053\u308c\u306f\u73fe\u5b9f\u7684\u306b\u306f\u4e0d\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u306b\u52a0\u3048\u3066\u3001\u305d\u308c\u3060\u3051\u306eCPU\u30d1\u30ef\u30fc\u3092\u6301\u3063\u3066\u3044\u308b\u306e\u306a\u3089\u30eb\u30fc\u30eb\u306b\u5247\u3063\u3066\u3001\u5831\u916c\u306e\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u3092\u8cb0\u3063\u305f\u65b9\u304c\u5229\u76ca\u304c\u3067\u308b\u3053\u3068\u304b\u3089\u3001\u53d6\u5f15\u5c65\u6b74\u3092\u6539\u3056\u3093\u3059\u308b\u30a4\u30f3\u30bb\u30f3\u30c6\u30a3\u30d6\u304c\u306a\u304f\u306a\u308b\u3068\u3044\u3046\u30ed\u30b8\u30c3\u30af\u3067\u3059\u3002<\/span><\/div>\n<\/div>\n
\n
\u3053\u306e\u3088\u3046\u306a\u8a2d\u8a08\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306f\u5b9f\u7528\u7684\u30d3\u30b6\u30f3\u30c1\u30f3\u8010\u6027\uff08Practical Byzantine Fault Tolerance <\/strong><\/span>\u3001\u4ee5\u4e0b\u3001PBFT\uff09<\/strong>\u3092\u6301\u3064\u3001\u4e16\u754c\u521d\u306eP2P\u6c7a\u6e08\u30b7\u30b9\u30c6\u30e0\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/span><\/div>\n<\/div>\n
\n

\n<\/div>\n

\n

\u5b9f\u7528\u7684\u30d3\u30b6\u30f3\u30c1\u30f3\u969c\u5bb3\u8010\u6027\u3068\u975e\u540c\u671f\u30d3\u30b6\u30f3\u30c1\u30f3\u969c\u5bb3\u8010\u6027<\/h2>\n<\/div>\n
\n

\u3057\u304b\u3057\u3001\u7559\u610f\u3059\u3079\u304d\u306a\u306e\u306f\u3001PBFT(Practical Byzantine Fault tolerance)\u306f\u3001\u3042\u304f\u307e\u3067\u201d\u5b9f\u7528\u306b\u8010\u3048\u3046\u308b\u30ec\u30d9\u30eb\u306e\u8010\u6027\u201d\u306f\u8a8d\u3081\u3089\u308c\u308b\u3082\u306e\u306e\u3001\u6570\u5b66\u7684\u306b\u30d3\u30b6\u30f3\u30c1\u30f3\u8010\u6027\u304c\u8a3c\u660e\u3055\u308c\u3066\u3044\u308b\u8a33\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n

\u4f8b\u3048\u3070\u3001\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u30de\u30a4\u30cb\u30f3\u30b0\u6a5f\u5668\u6700\u5927\u624b\u306e\u30d3\u30c3\u30c8\u30e1\u30a4\u30f3\u306f\u3001<\/span>\u30de\u30a4\u30cb\u30f3\u30b0\u6a5f\u5668\u306e\u30e1\u30fc\u30ab\u30fc\u3068\u3057\u3066\u3001\u552f\u4e00\u3001<\/span>TSMC\u306e\u6700\u65b0\u306e\u534a\u5c0e\u4f53\u30c1\u30c3\u30d7\uff085nm\u898f\u683c\uff09\u306e\u4f9b\u7d66\u5148\u306b\u9078\u3070\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

\u524d\u8ff0\u3057\u305f\u3088\u3046\u306b\u3001\u30d7\u30eb\u30fc\u30d5\u30fb\u30aa\u30d6\u30fb\u30ef\u30fc\u30af\u3092\u63a1\u7528\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u6f14\u7b97\u51e6\u7406\u901f\u5ea6\u306e\u9ad8\u3044\u30de\u30b7\u30f3\u3092\u5927\u91cf\u306b\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u52dd\u8ca0\u3068\u306a\u308b\u305f\u3081\u3001\uff08<\/span>\u5b9f\u969b\u306b\u5f7c\u3089\u304c\u3084\u308b\u304b\u306f\u3069\u3046\u304b\u306f\u5225\u3068\u3057\u3066\uff09\u30d3\u30c3\u30c8\u30e1\u30a4\u30f3\u304c\uff15nm\u898f\u683c\u306e\u30de\u30a4\u30cb\u30f3\u30b0\u30de\u30b7\u30f3\u3092\u91cf\u7523\u5316\u3057\u305f\u6681\u306b\u306f\u3001\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u638c\u63e1\u3059\u308b\u3053\u3068\u304c\u73fe\u5b9f\u7684\u306b\u53ef\u80fd<\/span>\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u300c\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306f\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u3092\u89e3\u6c7a\u3057\u305f\u300d\u3068\u3044\u3046\u8868\u73fe\u306f\u9593\u9055\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<\/div>\n

\n
\u56e0\u307f\u306b\u3001\u30a4\u30fc\u30b5\u30ea\u30a2\u30e0\u306a\u3069\u304c\u63a1\u7528\u3057\u3066\u3044\u308b\u30d7\u30eb\u30fc\u30d5\u30fb\u30aa\u30d6\u30fb\u30b9\u30c6\u30fc\u30af\uff08Proof of Stake\uff09\u306b\u306f\u3001\u30d3\u30b6\u30f3\u30c1\u30f3\u8010\u6027\u306f\u306a\u3044\u305f\u3081\u3001\u5206\u6563\u578b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001\u4fe1\u983c\u306e\u304a\u3051\u308b\u30b9\u30de\u30fc\u30c8\u30b3\u30f3\u30c8\u30e9\u30af\u30c8\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u3067\u3059\u3002<\/span><\/div>\n
\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u304c\u767b\u5834\u3057\u3066\u4ee5\u964d\u3082\u3001\u6570\u5b66\u7684\u306b\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u3092\u89e3\u6c7a\u3057\u305f\u5206\u6563\u578b\u53f0\u5e33\u306e\u7814\u7a76\u306f\u7d9a\u3051\u3089\u308c\u307e\u3057\u305f\u3002<\/div>\n
\u73fe\u5728\u3001BFT\u306e\u4e2d\u3067\u6700\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u9ad8\u3044\u3068\u3044\u308f\u308c\u308b\u306e\u304c\u3001\u975e\u540c\u671f\u30d3\u30b6\u30f3\u30c1\u30f3\u8010\u6027\uff08Acynchronous Byzantine Fault Tolerance \uff09\u3067\u3059\u3002ABFT\u306f\u7406\u8ad6\u4e0a\u3001\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u304c\u751f\u3058\u306a\u3044\u3053\u3068\u304c\u3001\u6570\u5b66\u7684\u306b\u8a3c\u660e\u3055\u308c\u305f\u3082\u306e\u3067\u3001\u30b4\u30b7\u30c3\u30d7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3084\u30cf\u30c3\u30b7\u30e5\u30b0\u30e9\u30d5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u3053\u308c\u306b\u5f53\u305f\u308a\u307e\u3059\u3002<\/span><\/div>\n<\/div>\n
\n
\u4eee\u60f3\u901a\u8ca8\u3084\u5206\u6563\u578b\u53f0\u5e33\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u3067\u306f\u3001Hedera Hashgraph\u306a\u3069\u304cABFT\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044<\/span>\u307e\u3059\u3002\uff08 <\/span>THE SWIRLDS HASHGRAPH CONSENSUS ALGORITHM: FAIR, FAST, BYZANTINE FAULT TOLERANCE <\/a>\uff09<\/span><\/div>\n
<\/div>\n
\u8fd1\u5e74\u3001\u4eee\u60f3\u901a\u8ca8\u306e\u5e02\u5834\u898f\u6a21\u306f\u9806\u8abf\u306b\u6210\u9577\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4e00\u65b9\u3067\u3001\u591a\u304f\u306e\u4eee\u60f3\u901a\u8ca8\u3084\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u95a2\u9023\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u672a\u3060\u306b<\/span>\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u3066\u306f\u3044\u307e\u305b\u3093\u3002<\/span>\u8208\u5473\u3092\u6301\u3063\u305f\u4eee\u60f3\u901a\u8ca8\u3084\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u8abf\u3079\u308b\u6642\u306f\u3001<\/span>\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u306b\u5bfe\u3059\u308b\u8010\u6027\u30ec\u30d9\u30eb\u3082\u3001\u662f\u975e\u3001\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3044\u3082\u306e\u3067\u3059\u3002<\/span><\/div>\n
\uff08\u6587\u30fb\u98ef\u5009\u5149\u5f66\uff09<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u3084\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u6642\u6298\u3001\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u3068\u3044\u3046\u30d5\u30ec\u30fc\u30ba\u304c\u51fa\u3066\u304d\u307e\u3059\u3002 \u4e00\u822c\u306e\u4eba\u306b\u3068\u3063\u3066\u306f\u3001\u3042\u307e\u308a\u95a2\u4fc2\u306e\u306a\u3044\u5358\u8a9e\u306e\u3088\u3046\u306b\u3082\u601d\u3048\u307e\u3059\u304c\u3001\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u306f\u3001\u4eee\u60f3\u901a\u8ca8\u306a\u3069\u306e\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u306e\u4fe1\u983c\u6027\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u306a\u6307\u6a19\u3068\u306a\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u4eca\u5f8c\u306e\u4eee\u60f3\u901a\u8ca8\u3084\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u5c06\u6765\u6027\u3092\u8003\u3048\u308b\u4e0a\u3067\u3082\u3001\u662f\u975e\u3001\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u3082\u306e\u3067\u3059\u3002 \u4eca\u56de\u306f\u3001\u30d3\u30b6\u30f3\u30c1\u30f3\u5c06\u8ecd\u554f\u984c\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044 […]<\/p>\n","protected":false},"author":1,"featured_media":2160,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/posts\/2142"}],"collection":[{"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/comments?post=2142"}],"version-history":[{"count":23,"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/posts\/2142\/revisions"}],"predecessor-version":[{"id":2215,"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/posts\/2142\/revisions\/2215"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/media\/2160"}],"wp:attachment":[{"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/media?parent=2142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/categories?post=2142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/descartes-search.com\/media\/wp-json\/wp\/v2\/tags?post=2142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}