{"id":110925,"date":"2023-10-18T21:10:24","date_gmt":"2023-10-18T19:10:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-otkryl-tehnologiyu-peredachi-dannyh-falcon"},"modified":"2023-10-18T21:10:24","modified_gmt":"2023-10-18T19:10:25","slug":"google-otkryl-tehnologiyu-peredachi-dannyh-falcon","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/google-otkryl-tehnologiyu-peredachi-dannyh-falcon","title":{"rendered":"Google otev\u0159el technologii p\u0159enosu dat Falcon","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Google ozn\u00e1mila otev\u0159en\u00ed technologie p\u0159enosu dat Falcon (hardware transport, hardwarov\u011b akcelerovan\u00e1 transportn\u00ed \u00farove\u0148) a jej\u00ed n\u00e1sledn\u00fd p\u0159esun do projektu Open Compute, zam\u011b\u0159en\u00e9ho na spole\u010dn\u00fd v\u00fdvoj otev\u0159en\u00fdch specifikac\u00ed hardwaru pro vybaven\u00ed datov\u00fdch center. Falcon je prezentov\u00e1n jako generace Ethernetu, kter\u00e1 dok\u00e1\u017ee zv\u00fd\u0161it propustnost a zefektivnit p\u0159enos dat v existuj\u00edc\u00edch standardn\u00edch s\u00edt\u00edch zalo\u017een\u00fdch na Ethernetu a TCP\/IP, kritick\u00fdch na propustnost a latence, jako jsou s\u00edt\u011b pro syst\u00e9my vysoce v\u00fdkonn\u00fdch v\u00fdpo\u010dt\u016f a um\u011bl\u00e9 inteligence.    <\/p>\n<p>Protokol je \u0161k\u00e1lovateln\u00fd na s\u00edt\u011b datov\u00fdch center a byl navr\u017een tak, aby zaji\u0161\u0165oval p\u0159edv\u00eddateln\u011b vysok\u00fd v\u00fdkon, n\u00edzkou latenci, flexibilitu a roz\u0161i\u0159itelnost. Podpora Falconu bude jako prvn\u00ed zaji\u0161t\u011bna v s\u00ed\u0165ov\u00fdch akceler\u00e1torech s\u00e9rie Intel IPU E2000 (Infrastructure Processing Unit), kter\u00e9 kombinuj\u00ed Ethernetov\u00fd adapt\u00e9r s programovateln\u00fdm procesorem, na kter\u00fd lze p\u0159en\u00e1\u0161et operace, b\u011b\u017en\u011b prov\u00e1d\u011bn\u00e9 na \u00farovni s\u00ed\u0165ov\u00e9ho z\u00e1sobn\u00edku nebo syst\u00e9mu, jako je \u0159\u00edzen\u00ed provozu, kontrola p\u0159et\u00ed\u017een\u00ed a anal\u00fdza vysokolegrov\u00fdch protokol\u016f.     <\/p>\n<p>Pro dosa\u017een\u00ed n\u00edzk\u00fdch latenc\u00ed ve vysoce rychlostn\u00edch s\u00edt\u00edch Ethernet, kter\u00e9 umo\u017e\u0148uj\u00ed ztr\u00e1ty paket\u016f, Falcon pou\u017e\u00edv\u00e1 t\u0159i principy: podrobn\u00e9 m\u011b\u0159en\u00ed latenc\u00ed mezi odesl\u00e1n\u00edm po\u017eadavku a p\u0159ijet\u00edm odpov\u011bdi (RTT, round-trip time), hardwarov\u011b realizovan\u00e9 omezov\u00e1n\u00ed provozu v\u00e1zan\u00e9 na jednotliv\u00e9 toky a rychl\u00e9 a p\u0159esn\u00e9 znovuzas\u00edl\u00e1n\u00ed paket\u016f. Tyto vlastnosti jsou dopln\u011bny prost\u0159edky pro sou\u010dasn\u00fd p\u0159\u00edstup via v\u00edce kan\u00e1l\u016f (Multipath) a podporou \u0161ifrov\u00e1n\u00ed spojen\u00ed.      <\/p>\n<p>P\u0159i realizaci Falconu jsou pou\u017eity n\u00e1sleduj\u00edc\u00ed technologie:  <\/p>\n<ul>\n<li class=\"l\"> Carousel \u2014 mechanism for traffic shaping that allows for regulating bandwidth and the intensity of packet flow for individual hosts.\n<li class=\"l\"> Snap \u2014 network subsystem based on microkernel, extensible via modules that add enhanced functionality such as network virtualization, traffic shaping, and message delivery.\n<li class=\"l\"> Swift \u2014 congestion control mechanism for data center networks, achieving latencies of less than 50 microseconds for short RPC messages while maintaining a throughput of 100Gbps. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a> p\u0159i zat\u00ed\u017een\u00ed bl\u00edzk\u00e9m 100%.\n<li class=\"l\"> RACK-TLP \u2014 algorithm for packet loss detection in TCP.\n<li class=\"l\"> PLB \u2014 load balancing mechanism that uses overload signals. After implementing PLB in Google networks, load imbalance on switches was reduced by 60%, packet loss decreased by 33%, and delays in delivering short RPC messages were cut by 25%.\n<li class=\"l\"> CSIG (Congestion Signaling) \u2014 telemetry exchange protocol used for sending overload signals and traffic management.\n<li class=\"l\"> PSP (PSP Security Protocol) \u2014 traffic encryption protocol.  <\/ul>\n<p>Falcon pou\u017e\u00edv\u00e1 jako protokoly vy\u0161\u0161\u00ed \u00farovn\u011b RDMA a NVM Express, ale tak\u00e9 umo\u017e\u0148uje p\u0159id\u00e1vat podporu dal\u0161\u00edch protokol\u016f vy\u0161\u0161\u00ed \u00farovn\u011b ve form\u011b roz\u0161\u00ed\u0159en\u00ed. Funk\u010dnost Falconu je definov\u00e1na t\u0159emi \u00farovn\u011bmi: \u00farove\u0148 pro mapov\u00e1n\u00ed s protokoly vy\u0161\u0161\u00ed \u00farovn\u011b (ULP Mapping), \u00farove\u0148 transakc\u00ed a \u00farove\u0148 doru\u010den\u00ed paket\u016f. Na prvn\u00ed \u00farovni se prov\u00e1d\u00ed \u0159\u00edzen\u00ed toku, zpracov\u00e1n\u00ed zpr\u00e1v a mapov\u00e1n\u00ed na vy\u0161\u0161\u00ed \u00farovn\u011b. Na druh\u00e9 \u00farovni se prov\u00e1d\u00ed pl\u00e1nov\u00e1n\u00ed, \u0159\u00edzen\u00ed zdroj\u016f a \u0159azen\u00ed. Na t\u0159et\u00ed \u00farovni se prov\u00e1d\u00ed \u0159\u00edzen\u00ed p\u0159et\u00ed\u017een\u00ed, omezen\u00ed provozu, zaji\u0161t\u011bn\u00ed spolehlivosti a sou\u010dasn\u00e9 pou\u017e\u00edv\u00e1n\u00ed r\u016fzn\u00fdch kan\u00e1l\u016f (Multipathing).                <center><img decoding=\"async\" alt=\"Google otev\u0159el technologii p\u0159enosu dat Falcon \" src=\"\/wp-content\/uploads\/2023\/10\/b8f7aa69bca7bd2d5b2b47ff424d330d.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59949\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 Falcon (hardware transport, \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u043d\u044b\u0439 \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c) \u0438 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u0435\u0451 \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0432 \u043f\u0440\u043e\u0435\u043a\u0442 Open Compute, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u0438\u044f \u0434\u0430\u0442\u0430\u0446\u0435\u043d\u0442\u0440\u043e\u0432. Falcon \u043f\u0440\u0435\u043f\u043e\u0434\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a\u0430\u043a Ethernet \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0439 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u0443\u044e \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u044f\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":110926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-110925","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 Falcon (hardware transport, \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u043d\u044b\u0439 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