A empresa Red Hat publicou os resultados da avalia\u00e7\u00e3o de desempenho de canais de comunica\u00e7\u00e3o criptografados usando o protocolo IPsec em hardware moderno e tamb\u00e9m comparou a largura de banda do IPsec baseada nos algoritmos de criptografia autenticada AES-GCM e AES-SHA1. <\/p>\n
Os testes foram realizados na distribui\u00e7\u00e3o RHEL 9.4 em um servidor com dois processadores Intel Xeon Scalable de quarta gera\u00e7\u00e3o (28 n\u00facleos e 56 n\u00facleos l\u00f3gicos em cada CPU), conectado \u00e0 rede atrav\u00e9s de um adaptador de rede Intel E810 de 100 gigabits. A acelera\u00e7\u00e3o de hardware IPsec, transferindo opera\u00e7\u00f5es para o lado da placa de rede ou Intel QAT, foi desativada para obter uma vis\u00e3o do desempenho da pilha de software. As configura\u00e7\u00f5es do sistema foram ajustadas conforme o perfil \"throughput-performance\", o firewall firewalld foi desativado, e o processo iperf3, que gera tr\u00e1fego, foi vinculado ao primeiro n\u00facleo da CPU (para evitar a degrada\u00e7\u00e3o do desempenho devido \u00e0 migra\u00e7\u00e3o dos manipuladores de interrup\u00e7\u00e3o para n\u00f3s NUMA n\u00e3o relacionados \u00e0 placa de rede).<\/p>\n
No teste de um \u00fanico thread do IPsec para IPv4 e IPv6, ao utilizar um \u00fanico n\u00facleo da CPU para o processo iperf3, foi registrada uma performance de 6 Gbit\/s para AES-GCM e 3,75 Gbit\/s para AES-SHA1, ou seja, AES-SHA1 foi cerca de 40% mais lento que AES-GCM. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Red Hat \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043e\u0446\u0435\u043d\u043a\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432 \u0441\u0432\u044f\u0437\u0438, \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 IPsec, \u043d\u0430 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u043c \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0441\u0440\u0430\u0432\u043d\u0438\u043b\u0430 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u0443\u044e \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c IPsec \u043d\u0430 \u0431\u0430\u0437\u0435 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f AES-GCM \u0438 AES-SHA1. \u0422\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u043b\u043e\u0441\u044c \u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0435 RHEL 9.4 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0441 \u0434\u0432\u0443\u043c\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u043c\u0438 Intel Xeon Scalable \u0447\u0435\u0442\u0432\u0451\u0440\u0442\u043e\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f (28 \u044f\u0434\u0435\u0440 \u0438 56 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u044f\u0434\u0435\u0440 \u0432 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116738","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 A empresa RedHat publicou os resultados dos testes 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\nAo testar m\u00faltiplos fluxos paralelos (cada inst\u00e2ncia do iperf3 foi anexada a um n\u00facleo separado da CPU), a largura de banda m\u00e1xima atingida com o AES-GCM chegou a 50 Gbit\/s para IPv4 e IPv6, demonstrando a capacidade de utiliza\u00e7\u00e3o total da largura de banda dispon\u00edvel em um t\u00edpico servidor<\/a> com dois canais de 25 gigabits ou um canal de 40 gigabits, sem utiliza\u00e7\u00e3o de acelera\u00e7\u00e3o de hardware (ou metade da largura de banda de um link de 100 gigabits utilizado nos testes).
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"