{"id":53276,"date":"2019-11-28T00:00:00","date_gmt":"2019-11-27T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/bitva-l2tp-rras-vs-softether"},"modified":"2020-02-18T14:01:10","modified_gmt":"2020-02-18T11:01:10","slug":"bitva-l2tp-rras-vs-softether","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/bitva-l2tp-rras-vs-softether","title":{"rendered":"A batalha L2TP, RRAS vs SoftEther","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ultravds\/blog\/477512\/\"><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/8519413e0fe465ce7c06d71f65c79bcc.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><br \/>\n<i>\u00abImagem roubada do Ocidente para chamar a aten\u00e7\u00e3o\u00bb<\/i><\/p>\n<p>Em nossos artigos anteriores, falamos sobre como trabalhar com <noindex><a rel=\"nofollow\" href=\"https:\/\/ultravds.com\/\">VDS<\/a><\/noindex> Windows Server Core 2019 no nosso novo plano UltraLight por 99 rublos por m\u00eas. Oferecemos mais uma forma de usar este plano. Desta vez, o assunto \u00e9 o que escolher se voc\u00ea precisar de um VPN para pregui\u00e7osos ou um endere\u00e7o IP fixo, que ali\u00e1s \u00e9 mais conveniente usar em vez do Hamachi e tudo o que h\u00e1, se voc\u00ea realmente quiser jogar Heroes ou Warcraft 3 em uma rede local. N\u00e3o vamos falar sobre a configura\u00e7\u00e3o, mas sim sobre o desempenho.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Metodologia de teste<\/h2>\n<p>\nRRAS e SoftEther foram escolhidos com base na facilidade de instala\u00e7\u00e3o, suporte ao protocolo L2TP e possibilidade de gerenciamento via GUi.<\/p>\n<p>Para SoftEther e RRAS, foi utilizada uma conex\u00e3o L2TP com chave compartilhada atrav\u00e9s das ferramentas padr\u00e3o do Windows. Foi instalado e testado como se apresentava.<\/p>\n<p>O sistema operacional para SoftEther \u00e9 Ubuntu 18.04 LTS, enquanto para o RRAS \u00e9 Windows Server Core 2019. Todos os sistemas operacionais receberam as \u00faltimas atualiza\u00e7\u00f5es at\u00e9 21.11.2019 antes dos testes.\u00a0<\/p>\n<p>Na m\u00e1quina virtual Hyper-V de segunda gera\u00e7\u00e3o, foram configurados 1 GB de RAM, al\u00e9m de limites no processador. A ordem de execu\u00e7\u00e3o dos grupos de testes \u00e9 a seguinte:<\/p>\n<p>Em todos os 8 n\u00facleos:<\/p>\n<ol>\n<li>Sem restri\u00e7\u00f5es<\/li>\n<li>Limite de 50%<\/li>\n<li>Limite de 25%<\/li>\n<li>Limite de 5%<\/li>\n<li>Limite de 1%<\/li>\n<\/ol>\n<p>\nEm 4 n\u00facleos:<\/p>\n<ol>\n<li>Sem restri\u00e7\u00f5es<\/li>\n<li>Limite de 50%<\/li>\n<li>Limite de 25%<\/li>\n<li>Limite de 5%<\/li>\n<li>Limite de 1%<\/li>\n<\/ol>\n<p>\nEm um n\u00facleo:<\/p>\n<ol>\n<li>Sem restri\u00e7\u00f5es<\/li>\n<li>Limite de 50%<\/li>\n<li>Limite de 25%<\/li>\n<li>Limite de 5%<\/li>\n<li>Limite de 1%<\/li>\n<\/ol>\n<p>\nEm todos os servidores VPN foram aplicadas configura\u00e7\u00f5es padr\u00e3o e o NAT foi ativado. Todas as m\u00e1quinas virtuais est\u00e3o no mesmo host e no mesmo switch virtual.<\/p>\n<p>Para avaliar o desempenho da rede, foi realizado um teste entre o servidor e o cliente sem conex\u00e3o VPN.<\/p>\n<p>O teste foi realizado com o TamoSoft Throughput Test no modo apenas TCP; para tabelas e gr\u00e1ficos, foram considerados os valores de \"m\u00e9dia\". Os dados foram coletados ao longo de 5 minutos e 30 segundos para cada teste.<\/p>\n<p>Para uma melhor compreens\u00e3o dos limites de ambas as implementa\u00e7\u00f5es, primeiro testaremos a largura de banda do switch virtual.<\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/94000a5e139f22ceb84cdf80189d2958.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAssim foram os resultados no software de teste. Em seguida, todos os resultados ser\u00e3o apresentados em tabelas.<\/p>\n<p>Como podemos ver, o switch virtual n\u00e3o \u00e9 um gargalo nos testes e atinge quase o limite te\u00f3rico de 10 gigabits.<\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/2e3bc803ba7e7ba9d5bced4bcde3d629.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Como a rede de teste 'fisicamente' se apresentava<\/i><\/p>\n<h2>Resultados:<\/h2>\n<p>\nEm um n\u00facleo:<\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/271657223e5e03a4547683e946d754c6.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/a922a6f6582dbfbe4d2118a4fd0d3b8d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nNa disciplina de um n\u00facleo, ambos os servidores est\u00e3o no mesmo n\u00edvel.<\/p>\n<p>Em 4 n\u00facleos:<\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/4696ef6122e55becbe837307ab51c386.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/17c911ac89ac1e0255b43a8e6598d0a8.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nEm 8 n\u00facleos:<\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/0a2d96b45c0a62a4cf7b46257cb03294.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/b9b20a0888c1eead274e1fc02754a21a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAqui, vemos claramente qual solu\u00e7\u00e3o se escala melhor com o n\u00famero de n\u00facleos. Ao reduzir o desempenho de cada n\u00facleo, o RRAS compensou as perdas com a quantidade, o que o SoftEther n\u00e3o fez.<\/p>\n<p><i><b>Consumo de mem\u00f3ria RAM pelo sistema<\/b><\/i><\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/6b0f6b202a8fe9df71b6599224ef50e5.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nO volume de mem\u00f3ria RAM consumida pelo SoftEther aumentou com o n\u00famero de n\u00facleos, de 122 para 177 MB, mas ainda assim \u00e9 menor que o do RRAS.<\/p>\n<p>O pr\u00f3prio servi\u00e7o RRAS ocupa cerca de 200 megabytes na mem\u00f3ria, desconsiderando o consumo total do sistema.<\/p>\n<p><i><b>Largura de banda em diferentes condi\u00e7\u00f5es<\/b><\/i><\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/23d641fc8f073f6fa84998465d0b3fa4.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nLargura de banda total sem quaisquer limita\u00e7\u00f5es no processador.<\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/57c462b0abb10805be0103cf1110acfb.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nSe voc\u00ea ainda n\u00e3o escolheu a solu\u00e7\u00e3o adequada, talvez esta tabela ajude na sua escolha. Est\u00e1 apresentada a largura de banda total em modo de escassez de CPU.<\/p>\n<p><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/fe21f3485dfa3e70bea3aefb3538d9b8.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nObserve que, em quatro e em um n\u00facleo, o desempenho do SoftEther \u00e9 superior ao de oito. Tal desempenho baixo n\u00e3o \u00e9 encontrado em nenhum lugar, mas os testes mostram como o algoritmo realmente escala bem com o n\u00famero de n\u00facleos.<\/p>\n<h2>Conclus\u00e3o:<\/h2>\n<p>\nConectar ao SoftEther com limita\u00e7\u00e3o de CPU n\u00e3o ocorreu na primeira tentativa, foi necess\u00e1rio primeiro aumentar o limite, conectar e depois reduzi-lo, o que imp\u00f5e restri\u00e7\u00f5es \u00e0 sua instala\u00e7\u00e3o em ambientes muito limitados. O RRAS sempre logou imediatamente.<\/p>\n<p>Se voc\u00ea tiver uma m\u00e1quina com muitos n\u00facleos, prefira o RRAS. Para o SoftEther, pode-se deixar apenas quatro n\u00facleos. O autor, se utilizasse, deixaria apenas um n\u00facleo para ele.<\/p>\n<p>O que e onde colocar \u2013 decida voc\u00ea mesmo. Se voc\u00ea tiver 99 rublos em <noindex><a rel=\"nofollow\" href=\"https:\/\/ultravds.com\/\">VPS<\/a><\/noindex> com Windows Server a bordo, a escolha ideal ainda ser\u00e1 o RRAS.\u00a0<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/ultravds.com\/\"><img decoding=\"async\" alt=\"A batalha L2TP, RRAS vs SoftEther\" src=\"\/wp-content\/uploads\/2019\/11\/c1cb0b14f4669507fef10c7846f4e1af.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ultravds\/blog\/477512\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u00ab\u0423\u043a\u0440\u0430\u0434\u0435\u043d\u043d\u0430\u044f \u0441 \u0437\u0430\u043f\u0430\u0434\u0430 \u043a\u0430\u0440\u0442\u0438\u043d\u043a\u0430 \u0434\u043b\u044f \u043f\u0440\u0438\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u044f \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f\u00bb \u0412 \u043f\u0440\u043e\u0448\u043b\u044b\u0445 \u043d\u0430\u0448\u0438\u0445 \u0441\u0442\u0430\u0442\u044c\u044f\u0445 \u043c\u044b \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043b\u0438, \u043a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 VDS \u043d\u0430 Windows Server Core 2019 \u043d\u0430 \u043d\u0430\u0448\u0435\u043c \u043d\u043e\u0432\u043e\u043c \u0442\u0430\u0440\u0438\u0444\u0435 UltraLight \u0437\u0430 99 \u0440\u0443\u0431\u043b\u0435\u0439 \u0432 \u043c\u0435\u0441\u044f\u0446. \u041f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c \u0435\u0449\u0435 \u043e\u0434\u0438\u043d \u0441\u043f\u043e\u0441\u043e\u0431 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0442\u0430\u0440\u0438\u0444\u0430. \u041d\u0430 \u044d\u0442\u043e\u0442 \u0440\u0430\u0437 \u0440\u0435\u0447\u044c 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