{"id":164650,"date":"2026-03-14T17:11:55","date_gmt":"2026-03-14T15:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/wolfip-i-passt-legkovesnye-steki-tcp-ip-rabotayushhie-bez-dinamicheskogo-vydeleniya-pamyati"},"modified":"2026-03-14T17:11:55","modified_gmt":"2026-03-14T15:11:55","slug":"wolfip-i-passt-legkovesnye-steki-tcp-ip-rabotayushhie-bez-dinamicheskogo-vydeleniya-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/wolfip-i-passt-legkovesnye-steki-tcp-ip-rabotayushhie-bez-dinamicheskogo-vydeleniya-pamyati","title":{"rendered":"wolfIP y passt \u2014 son pilas TCP\/IP ligeras que funcionan sin asignaci\u00f3n din\u00e1mica de memoria","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Los desarrolladores de la biblioteca criptogr\u00e1fica wolfSSL est\u00e1n desarrollando la pila TCP\/IP wolfIP, optimizada para su uso en dispositivos integrados con recursos limitados, as\u00ed como para sistemas que operan en tiempo real y soluciones que requieren alta fiabilidad (Safety-Critical). Para un consumo predecible de recursos, wolfIP no utiliza asignaci\u00f3n din\u00e1mica de memoria: todos los b\u00faferes y las tablas de sockets tienen un tama\u00f1o fijo y se configuran en la etapa de compilaci\u00f3n. El c\u00f3digo del proyecto est\u00e1 escrito en lenguaje C y se distribuye bajo la licencia GPLv3.       <\/p>\n<p>El proyecto puede utilizarse como un stack TCP\/IP en espacio de usuario, reemplazando el stack de red de Linux, FreeBSD y macOS, as\u00ed como siendo adecuado para su uso en sistemas embebidos basados en FreeRTOS, SafeRTOS, Zephyr, Azure RTOS ThreadX, NuttX, RTEMS, VxWorks y QNX. Adem\u00e1s, sobre la base de wolfIP se pueden crear aplicaciones de red aut\u00f3nomas que se ejecutan sobre hardware (bare-metal). En combinaci\u00f3n con la biblioteca wolfSSL, se proporciona soporte para TLS 1.3, lo que permite crear sistemas embebidos compactos que soportan HTTPS.        <\/p>\n<p>Caracter\u00edsticas principales de wolfIP:  <\/p>\n<ul>\n<li class=\"l\"> Uso de buffers preasignados en memoria est\u00e1tica para el procesamiento de paquetes de red. No se utilizan llamadas a malloc y free.\n<li class=\"l\"> Posibilidad de utilizar en lugar de los stacks de red del sistema en sistemas POSIX.\n<li class=\"l\"> Soporte para sockets BSD en modo no bloqueante y bloqueante.\n<li class=\"l\"> Tama\u00f1o compacto (4200 l\u00edneas de c\u00f3digo, 4 veces m\u00e1s peque\u00f1o que el stack TCP\/IP lwIP).\n<li class=\"l\"> Soporte para interfaces de red STM32 Ethernet.\n<li class=\"l\"> Posibilidad de usar la interfaz de red TAP para probar la funcionalidad sin hardware.\n<li class=\"l\"> Desarrollo considerando sistemas con altos requisitos de seguridad: configuraci\u00f3n determin\u00edstica y reproducible; modelo de despliegue que garantiza seguridad (Secure-by-default); aislamiento entre componentes. Soporte para actualizaciones de versiones seguras; largo soporte.\n<li class=\"l\"> Consideraci\u00f3n de los requisitos para sistemas de alta fiabilidad: ausencia de asignaci\u00f3n din\u00e1mica de recursos; grupos de memoria fijos; uso controlado de recursos; comportamiento predecible; arquitectura simplificada; soporte para la generaci\u00f3n de artefactos para verificaci\u00f3n.\n<li class=\"l\"> Implementaci\u00f3n de IPv4, UDP, TCP, IPSEC, ARP, ICMP, cliente DHCP, cliente DNS y servidor HTTP\/HTTPS. Soporte en la implementaci\u00f3n de TCP RFC 7323 (Marcas de tiempo TCP, medici\u00f3n RTT, PAWS, Escalado de ventana), MSS (Tama\u00f1o m\u00e1ximo de segmento), RTO (Tiempo de espera para retransmisi\u00f3n) y SACK (Reconocimiento selectivo). Varios algoritmos de control de congesti\u00f3n.     <\/ul>\n<p>Entre las limitaciones de wolfIP se destaca la posibilidad de utilizar wolfIP solo como un nodo final, capaz de recibir y establecer conexiones, pero no soportando el enrutamiento de tr\u00e1fico entre las interfaces de red.          <\/p>\n<p>Adem\u00e1s, se puede mencionar el desarrollo activo por parte de un empleado de Red Hat de un stack TCP\/IP similar llamado passt, que funciona en espacio de usuario y no utiliza asignaci\u00f3n din\u00e1mica de memoria. El proyecto passt se desarrolla para establecer un canal de comunicaci\u00f3n entre el entorno host y los sistemas invitados en QEMU como una alternativa m\u00e1s segura a libslirp. El c\u00f3digo de passt est\u00e1 escrito en C, tiene alrededor de 5000 l\u00edneas y se distribuye bajo la licencia GPLv2+.    <\/p>\n<p>Entre las caracter\u00edsticas de passt se puede se\u00f1alar: <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/lir\/ipv4\/\" title=\"soporte para IPv6\" data-wpil-keyword-link=\"linked\">soporte para IPv6<\/a> adem\u00e1s de IPv4, optimizaciones basadas en instrucciones AVX2, protecci\u00f3n contra synflood, soporte integrado para QEMU, libvirt y Podman, paquetes para todas las distribuciones populares, servicio de proxy ARP, servidores DHCPD, DHCPv6 y NDP minimalistas, perfil seccomp para bloquear todas las llamadas al sistema no utilizadas, soporte para NAT, posibilidad de usarse como un reemplazo transparente de slirp4netns.<br \/>\n<br \/>Fuente: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64989\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 wolfSSL \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442 TCP\/IP \u0441\u0442\u0435\u043a wolfIP, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445, \u0438\u043c\u0435\u044e\u0449\u0438\u0445 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438, \u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u0439, \u0442\u0440\u0435\u0431\u0443\u044e\u0449\u0438\u0445 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u043e\u0439 \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438 (Safety-Critical). \u0414\u043b\u044f \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u044f \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0432 wolfIP \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 &#8212; \u0432\u0441\u0435 \u0431\u0443\u0444\u0435\u0440\u044b \u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0441\u043e\u043a\u0435\u0442\u043e\u0432 \u0438\u043c\u0435\u044e\u0442 \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u0438 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-164650","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 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modo.","canonical_url":"https:\/\/prohoster.info\/es\/blog\/news\/wolfip-i-passt-legkovesnye-steki-tcp-ip-rabotayushhie-bez-dinamicheskogo-vydeleniya-pamyati","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"es_ES","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47wolfIP \u0438 passt \u2014 \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u044b\u0435 \u0441\u0442\u0435\u043a\u0438 TCP\/IP, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0435 \u0431\u0435\u0437 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 | ProHoster","og:description":"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 wolfSSL \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442 TCP\/IP \u0441\u0442\u0435\u043a wolfIP, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445, \u0438\u043c\u0435\u044e\u0449\u0438\u0445 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u044b, \u0430 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