{"id":120511,"date":"2024-11-06T19:09:06","date_gmt":"2024-11-06T17:09:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/arhitektura-nabora-komand-bpf-poluchila-status-predlozhennogo-standarta"},"modified":"2024-11-06T19:09:06","modified_gmt":"2024-11-06T17:09:06","slug":"arhitektura-nabora-komand-bpf-poluchila-status-predlozhennogo-standarta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/arhitektura-nabora-komand-bpf-poluchila-status-predlozhennogo-standarta","title":{"rendered":"BPF k\u00e4skude komplekti arhitektuur on saanud ettepaneku standardi staatuse","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

IETF (Internet Engineering Task Force) komitee, mis tegeleb interneti protokollide ja arhitektuuri arendamisega, on l\u00f5petanud BPF k\u00e4su komplekti arhitektuuri RFC koostamise ja avaldanud sellega seotud spetsifikatsiooni identifikaatoriga RFC 9669. RFC on saanud \"Eestis standardi\" staatuse, mille j\u00e4rel algab t\u00f6\u00f6 RFC-le mustandstandardi (Draft Standard) staatuse andmiseks, mis t\u00e4hendab tegelikult t\u00e4ielikku stabiliseerimist ja k\u00f5igi esitatud m\u00e4rkuste arvessev\u00f5tmist. <\/p>\n

Avaldatud spetsifikatsioon kirjeldab BPF bytecode'i k\u00e4skude komplekti ja madala taseme virtuaalmasinat, mida kasutatakse Linuxi eBPF tuuma alams\u00fcsteemis v\u00e4liste t\u00f6\u00f6tlejate t\u00e4itmiseks, mis suudavad reaalajas muuta s\u00fcsteemi k\u00e4itumist ilma tuuma koodi muutmiseta. Sisuliselt rakendab eBPF k\u00f5ige lihtsamat virtuaalsest protsessorist koosnevat arhitektuuri oma registrite komplektiga, RISC-sarnaste k\u00e4skudega, virna ja k\u00e4skude loendiga. BPF programmid luuakse tavaliselt C keele alamsubsetiga, seej\u00e4rel kompileeritakse need bytecode'iks, mis sobib t\u00e4itmiseks. virtuaalses masinas<\/a>. Virtuaalmasin suudab t\u00e4ita BPF programme, kasutades nii t\u00f5lgendamist kui ka JIT-kompileerimist, et reaalajas t\u00f5lkida bytecode masina juhisteks. <\/p>\n

Oletatakse, et BPF k\u00e4skude komplekti arhitektuuri standardimine stimuleerib kolmandate osapoolte rakenduste loomist, mis on \u00fchilduvad eBPF virtuaalmasinaga ja suudavad t\u00e4ita Linuxi tuumale kirjutatud BPF programme. Selliste rakenduste loomisega tegelevad m\u00f5ned virtuaalmasinate<\/a> v\u00f5rgukaardi tootjad, kes arendavad vahendeid BPF t\u00f6\u00f6tlejate seadmete riistvara kiirendamiseks. Idee on laiendada XDP (eXpress Data Path) alams\u00fcsteemi v\u00f5imalusi BPF programmide t\u00e4itmiseks mitte ainult v\u00f5rgu draiveri tasemel, vaid ka v\u00f5rgu kaardi k\u00fcljel. <\/p>\n

N\u00e4iteks on ettev\u00f5te Netronome lisanud BPF-i toe Netronome Agilio CX SmartNIC adapterisse ning pakkunud v\u00e4lja kogumi universaalsete BPF-programmide n\u00e4iteid, mida saab k\u00e4itada mitte ainult CPU abil tuumas koos mistahes XDP-\u00fchilduva draiveriga, vaid ka v\u00f5rguadapteri k\u00fcljes, mis v\u00f5imaldab teha otsuseid pakettide v\u00e4ljaarvamise, muutmise v\u00f5i suunamise kohta, kulutamata CPU ressursse. Eraldi areneb tehnoloogia XRP (eXpress Resubmission Path), mis v\u00f5imaldab BPF-i kasutamist m\u00f5ningate NVMe-seadmete operatsioonide, nagu indeksite k\u00e4itamine ja andmete konsolideerimine, viimiseks NVMe draiveri tasemele v\u00f5i v\u00e4lisseadmest. <\/p>\n

T\u00f6\u00f6stuses m\u00e4rgitakse, et selliste v\u00f5imaluste laiemat rakendamist on endiselt takistanud \u00fchilduvusprobleemid ja vajadus j\u00e4lgida eBPF olekut tuumas. Nende riskide t\u00f5ttu on m\u00f5ned tootjad l\u00fckanud BPF riistvarakii kiirendamisvahendite integreerimise oma seadmetesse standardi v\u00e4ljat\u00f6\u00f6tamise ootuses.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/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-120511","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\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\udd47BPF k\u00e4sukomplekti arhitektuur on saanud soovitatud standardi staatuse | ProHoster","description":"IETF (Internet Engineering Task Force) komitee, mis tegeleb interneti protokollide ja arhidektuuride arendamisega, on l\u00f5petanud BPF k\u00e4skude komplekti arhitektuuri RFC koostamise ja avaldanud sellega seotud 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