{"id":103490,"date":"2022-03-08T09:36:40","date_gmt":"2022-03-08T07:36:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-dentos-2-0-setevoj-operaczionnoj-sistemy-dlya-kommutatorov"},"modified":"2022-03-08T09:36:40","modified_gmt":"2022-03-08T07:36:41","slug":"vypusk-dentos-2-0-setevoj-operaczionnoj-sistemy-dlya-kommutatorov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-dentos-2-0-setevoj-operaczionnoj-sistemy-dlya-kommutatorov","title":{"rendered":"Lan\u00e7amento do DentOS 2.0, um sistema operacional de rede para switches.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Est\u00e1 dispon\u00edvel a vers\u00e3o do sistema operacional de rede DentOS 2.0, que \u00e9 baseado no kernel Linux e projetado para equipar switches, roteadores e equipamentos de rede especializados. O desenvolvimento \u00e9 realizado com a participa\u00e7\u00e3o das empresas Amazon, Delta Electronics, Marvell, NVIDIA, Edgecore Networks e Wistron NeWeb (WNC). Inicialmente, o projeto foi fundado pela Amazon para equipar o hardware de rede em sua infraestrutura. O c\u00f3digo do DentOS \u00e9 escrito em C e \u00e9 distribu\u00eddo sob a licen\u00e7a p\u00fablica Eclipse.     <\/p>\n<p>Para gerenciar a comuta\u00e7\u00e3o de pacotes no DentOS, \u00e9 utilizada a subsistema do kernel Linux SwitchDev, que permite a cria\u00e7\u00e3o de drivers para switches Ethernet, capazes de delegar opera\u00e7\u00f5es de redirecionamento de quadros e processamento de pacotes de rede para chips de hardware especializados. A implementa\u00e7\u00e3o \u00e9 baseada na pilha de rede padr\u00e3o do Linux, na subsistema NetLink e em ferramentas como IPRoute2, tc (Traffic Control), brctl (Bridge Control) e FRRouting, assim como nos protocolos VRRP (Protocolo de Redund\u00e2ncia de Roteador Virtual), LLDP (Protocolo de Descoberta de Camada de Enlace) e MSTP (Protocolo de \u00c1rvore de Espalhamento M\u00faltiplo).      <\/p>\n<p><center><img decoding=\"async\" alt=\"Lan\u00e7amento do DentOS 2.0, um sistema operacional de rede para switches. \" src=\"\/wp-content\/uploads\/2022\/03\/9426360dce16e4666c54da9c67709ef2.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>          <\/p>\n<p>O ambiente do sistema \u00e9 baseado na distribui\u00e7\u00e3o ONL (Open Network Linux), que por sua vez utiliza a base de pacotes Debian GNU\/Linux e fornece um instalador, configura\u00e7\u00f5es e drivers para executar em switches. O ONL \u00e9 desenvolvido pelo projeto Open Compute e representa uma plataforma para a cria\u00e7\u00e3o de dispositivos de rede especializados, suportando a instala\u00e7\u00e3o em mais de cento diferentes modelos de switches. Inclui drivers para intera\u00e7\u00e3o com indicadores, sensores de temperatura, coolers, barramentos I2C, GPIO e transceptores SFP utilizados nos switches. Ferramentas como IpRoute2 e ifupdown2 podem ser usadas para gerenciamento, assim como gNMI (gRPC Network Management Interface). Modelos de dados YANG (Yet Another Next Generation, RFC-6020) s\u00e3o utilizados para a defini\u00e7\u00e3o da configura\u00e7\u00e3o.             <\/p>\n<p>O sistema est\u00e1 dispon\u00edvel para switches baseados em ASIC Marvell e Mellanox, contando com at\u00e9 48 portas de 10 gigabits. Compat\u00edvel com diversos ASIC e chips de processamento de dados de rede, incluindo chips ASIC Mellanox Spectrum, Marvell Aldrin 2 e Marvell AC3X com implementa\u00e7\u00e3o de tabelas de redirecionamento de pacotes em hardware. Imagens prontas para instala\u00e7\u00e3o do DentOS foram preparadas para arquiteturas ARM64 (257 MB) e AMD64 (523 MB).           <\/p>\n<p>A nova vers\u00e3o traz as seguintes melhorias:  <\/p>\n<ul>\n<li class=\"l\"> Suporte a NAT-44 e NA(P)T para tradu\u00e7\u00e3o de endere\u00e7os (NAT) de um intervalo interno para endere\u00e7os p\u00fablicos em n\u00edveis normais (Layer-3, camada de rede) e portas VLAN (pontes de rede) no switch.\n<li class=\"l\"> Foram disponibilizadas op\u00e7\u00f5es para configurar interfaces de rede 802.1Q (VLAN) e roteamento de tr\u00e1fego atrav\u00e9s delas. Pacotes IpRoute2 e Ifupdown2 s\u00e3o utilizados para configura\u00e7\u00e3o.\n<li class=\"l\"> Adicionada a compatibilidade com controladores PoE (Power over Ethernet) para gerenciamento de energia atrav\u00e9s do Ethernet.\n<li class=\"l\"> Mudan\u00e7as foram feitas para melhorar o desempenho e a escalabilidade das configura\u00e7\u00f5es do firewall.\n<li class=\"l\"> A gest\u00e3o de recursos baseada em ACL foi aprimorada. Suporte a flags para identificar locais (intranet) adicionado. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/lir\/ipv4\/\"   title=\"endere\u00e7os IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"849\">endere\u00e7os IP<\/a>.\n<li class=\"l\"> Disponibilizada a op\u00e7\u00e3o de conectar manipuladores personalizados para configurar o isolamento de portas.\n<li class=\"l\"> Com base na &#171;devlink&#187;, API para obter informa\u00e7\u00f5es e modificar par\u00e2metros de dispositivos, foi implementado o suporte a contadores de traps locais e pacotes descartados.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56819\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b DentOS 2.0, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u044f\u0434\u0440\u0435 Linux \u0438 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u043e\u0432, \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432 \u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 Amazon, Delta Electronics, Marvell, NVIDIA, Edgecore Networks \u0438 Wistron NeWeb (WNC). \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0435\u043a\u0442 \u0431\u044b\u043b \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Amazon \u0434\u043b\u044f \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0441\u0432\u043e\u0435\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435. \u041a\u043e\u0434 DentOS \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":103491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-103490","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=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b DentOS 2.0, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u044f\u0434\u0440\u0435 Linux \u0438 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 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