Khamphani ea Cloudflare, marang-rang a phano ea litaba bakeng sa lisebelisoa tsa Marang-rang tse limilione tse 27 le ho sebeletsa sephethephethe sa 13% ea libaka tse kholo tsa 1000, lintlha tsa ketsahalo eo, ka lebaka la hore mosebetsi oa likarolo tse ngata tsa marang-rang a Cloudflare o ile oa senyeha ka metsotso ea 27, ho kenyeletsa le ba ikarabellang bakeng sa ho tsamaisa sephethephethe London, Chicago, Los Angeles, Washington, Amsterdam, Paris, Moscow le St. . Bothata bo bakiloe ke phetoho e fosahetseng ea tlhophiso ho router ea Atlanta. Nakong ea ketsahalo, e ileng ea etsahala ka July 17 ho tloha 21: 12 ho 21: 39 (UTC), palo eohle ea sephethephethe ho marang-rang ea Cloudflare e fokotsehile hoo e ka bang 50%.
Nakong ea mosebetsi oa botekgeniki, ho batla ho tlosa karolo ea sephethephethe ho e 'ngoe ea li-backbones, baenjiniere ba ile ba hlakola mola o le mong ka har'a li-setting block e hlalosang lethathamo la litsela tse amoheloang ka mokokotlo, tse tlhotliloeng ho latela lethathamo le boletsoeng la li-prefixes. Ho ne ho tla be ho nepahetse ho tima boloko kaofela, empa ka phoso mola o nang le lethathamo la li-prefixes o hlakotsoe.
{master}[edit] atl01# pontšo | bapisa
[edit policy-options policy- statement 6-BBONE-OUT term 6-SITE-LOCAL from] ! e sa sebetseng: lenane la pele-pele 6-SITE-LOCAL { ... }
Thibela litaba:
ho tsoa ho {
prefix-lethathamo la 6-SITE-LOCAL;
}
joale {
local-khetho 200;
sechaba eketsa SITE-LOCAL-ROUTE;
sechaba eketsa ATL01;
sechaba eketsa LEBOEA-AMERIKA;
amohela;
}
Ka lebaka la ho tlosoa ho tlamang lethathamong la li-prefixes, karolo e setseng ea thibela e ile ea qala ho ajoa ho li-prefixes tsohle 'me router e qala ho romela litsela tsohle tsa eona tsa BGP ho li-routers tsa mokokotlo o mong. Ka tsietsi, litsela tse ncha li ne li e-na le boemo bo phahameng ka ho fetisisa (khethollo ea sebaka sa 200) ha e bapisoa le ea pele (100) e behiloeng bakeng sa litsela tse ling ka mokhoa o itekanetseng oa ho ntlafatsa sephethephethe. Ka lebaka leo, ho e-na le ho tlosa litsela ho tloha mokokotlong, litsela tse phahameng tsa BGP li ile tsa lutla, ka lebaka leo sephethephethe se lebisitsoeng ho li-backbones tse ling se ile sa romeloa Atlanta, e leng se ileng sa lebisa ho overload ea router le ho oa ha karolo ea marang-rang.
E le ho thibela liketsahalo tse tšoanang hore li se ke tsa etsahala nakong e tlang, ho reriloe liphetoho tse 'maloa ho litlhophiso tsa backbon tsa Cloudflare ka Mantaha. Moeli oa palo e kholo ea li-prefixes (boholo-pele-pele) o tla eketsoa bakeng sa linako tsa BGP, e leng se tla thibela mokokotlo o nang le bothata haeba li-prefixes tse ngata haholo li tsamaisoa ho eona. Haeba thibelo ena e ne e kentsoe pejana, bothata boo ho buuoang ka bona bo ka be bo lebisitse ho koaloa ha mokokotlo oa Atlanta, empa ho ne ho ke ke ha ama ts'ebetso ea marang-rang kaofela, kaha marang-rang a Cloudflare a etselitsoe ho lumella mokokotlo oa motho ka mong ho hlōleha. Har'a liphetoho tse seng li amohetsoe, ntlafatso ea lintho tse tlang pele (khetho ea sebaka sa heno) bakeng sa litsela tsa libaka e hlokomeloa, e ke keng ea lumella router e le 'ngoe ho susumetsa sephethephethe likarolong tse ling tsa marang-rang.
Source: opennet.ru