{"id":105254,"date":"2022-10-05T15:36:53","date_gmt":"2022-10-05T13:36:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux"},"modified":"2022-10-05T15:36:53","modified_gmt":"2022-10-05T13:36:53","slug":"vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux","title":{"rendered":"\u00cen FreeBSD a fost ad\u0103ugat\u0103 suportul pentru protocolul Netlink, utilizat \u00een nucleul Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00cen baza de cod FreeBSD a fost acceptat\u0103 implementarea protocolului de comunica\u021bie Netlink (RFC 3549), utilizat \u00een Linux pentru a organiza interac\u021biunea dintre nucleu \u0219i procese \u00een spa\u021biul utilizatorului. Proiectul se limiteaz\u0103 la suportul familiei de opera\u021bii NETLINK_ROUTE pentru gestionarea st\u0103rii subsistemului de re\u021bea din nucleu.    <\/p>\n<p>\u00cen forma actual\u0103, nivelul de suport Netlink permite utilizarea utilitarului ip din FreeBSD Linux din pachetul iproute2 pentru gestionarea interfe\u021belor de re\u021bea, setarea adreselor IP, configurarea rutelor \u0219i manipularea obiectelor nexthop, care con\u021bin informa\u021bii despre starea utilizat\u0103 pentru a transmite pachetul c\u0103tre destina\u021bia dorit\u0103. Dup\u0103 o modificare minor\u0103 a fi\u0219ierelor de antet, Netlink poate fi utilizat \u00een pachetul de rutare Bird.    <\/p>\n<p>Implementarea Netlink pentru FreeBSD este realizat\u0103 sub forma unui modul kernel \u00eenc\u0103rcabil, care, atunci c\u00e2nd este posibil, nu afecteaz\u0103 alte subsisteme ale nucleului \u0219i creeaz\u0103 cozi separate de sarcini (tasqueue) pentru a procesa mesajele primite prin protocol \u0219i pentru a efectua opera\u021biuni \u00een mod asincron. Motivul port\u0103rii Netlink este lipsa unui mecanism standard de interac\u021biune cu subsistemele nucleului, ceea ce duce la reinventarea protocolului propriu de c\u0103tre diferitele subsisteme \u0219i drivere.     <\/p>\n<p>Netlink ofer\u0103 un strat de comunica\u021bie unificat \u0219i un format extensibil de mesaje, care poate ac\u021biona ca un intermediar, combin\u00e2nd automat \u00eentr-o singur\u0103 solicitare date disparate din diferite surse. De exemplu, subsistemele FreeBSD precum devd, jail \u0219i pfilctl, care utilizeaz\u0103 \u00een prezent propriile apeluri ioctl, pot fi traduse \u00een Netlink, ceea ce va simplifica semnificativ crearea aplica\u021biilor pentru a interac\u021biona cu aceste subsisteme. \u00cen plus, utilizarea Netlink pentru a modifica obiectele \u0219i grupurile nexthop \u00een pila de rutare va permite interac\u021biunea mai eficient\u0103 cu procesele de rutare din spa\u021biul utilizatorului.          <\/p>\n<p>Func\u021bionalit\u0103\u021bile implementate \u00een prezent sunt:  <\/p>\n<ul>\n<li class=\"l\"> Ob\u021binerea informa\u021biilor despre rute, obiecte \u0219i grupuri nexthop, interfe\u021be de re\u021bea, adrese \u0219i gazde vecine (arp\/ndp).\n<li class=\"l\"> Generarea de notific\u0103ri privind apari\u021bia \u0219i deconectarea interfe\u021belor de re\u021bea, setarea \u0219i \u0219tergerea adreselor, ad\u0103ugarea \u0219i \u0219tergerea rutelor.\n<li class=\"l\"> Ad\u0103ugarea \u0219i \u0219tergerea rutelor, obiectelor \u0219i grupurilor nexthop, gateway-urilor, interfe\u021belor de re\u021bea.\n<li class=\"l\"> Integrarea cu interfa\u021ba Rtsock pentru gestionarea tabelului de rutare.  <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57873\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 FreeBSD \u043f\u0440\u0438\u043d\u044f\u0442\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Netlink (RFC 3549), \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0432 Linux \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u044f\u0434\u0440\u0430 \u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u043c\u0438 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041f\u0440\u043e\u0435\u043a\u0442 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 NETLINK_ROUTE \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0432 \u044f\u0434\u0440\u0435. \u0412 \u0442\u0435\u043a\u0443\u0449\u0435\u043c \u0432\u0438\u0434\u0435 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 Netlink \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u043e FreeBSD Linux-\u0443\u0442\u0438\u043b\u0438\u0442\u0443 ip \u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u0430 iproute2 \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u043c\u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430\u043c\u0438, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105254","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All 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