Kwamitin IETF (Internet Engineering Task Force), wanda ke haɓaka ka'idoji da gine-ginen Intanet, samuwar RFC don tsarin "DNS Push Notifications" da buga ƙayyadaddun bayanai masu alaƙa da shi a ƙarƙashin mai ganowa. . RFC ta sami matsayi na "Proposed Standard", bayan haka za a fara aiki akan ba RFC matsayin daftarin ma'auni (Draft Standard), wanda a zahiri yana nufin cikakken daidaita tsarin da kuma la'akari da duk maganganun da aka yi.
Na'urar "DNS Push Notification" tana ba abokin ciniki damar karɓar sanarwar asynchronously daga uwar garken DNS game da canje-canje a cikin bayanan DNS, ba tare da buƙatar yin zabe lokaci-lokaci ba. Ana sarrafa sanarwar turawa kawai ta amfani da jigilar TCP tare da tsaron tashar sadarwa ta amfani da "TLS akan TCP". Sabar DNS mai iko na iya karɓar haɗin TCP daga abokan ciniki na Push Sanarwa na DNS waɗanda ke aika buƙatun biyan kuɗi zuwa takamaiman sunaye da nau'ikan rikodin DNS. Bayan karɓar buƙatar biyan kuɗi, uwar garken kanta za ta aika sanarwa ga abokin ciniki game da canje-canje ga ƙayyadaddun bayanan.
Abokin ciniki yana ƙayyade ko sanarwar Push na DNS yana tallafawa ta hanyar aika tambayar DNS na yau da kullun wanda ke bincika wanzuwar "_dns-push-tls._tcp.zone_name" rikodin SRV wanda ke nuni ga sabar DNS masu yin biyan kuɗi. Abokin ciniki kuma yana iya biyan kuɗi zuwa shigarwar da ba ta wanzu, kuma dole ne uwar garken ya sanar da abokin ciniki idan ɗaya ya bayyana a gaba. Ana aika sanarwar ne kawai idan akwai ingantaccen haɗin TCP tare da uwar garken kuma ba a tsara su don kulawa da sa'o'i 24 a rana, kwana 7 a mako - ya kamata a soke biyan kuɗin lokacin da ba a aiki (misali, lokacin da na'urar ta shiga yanayin jiran aiki) kuma ana amfani dashi kawai lokacin da akwai buƙatar kai tsaye don waƙa da canje-canje a yanayin rayuwa. Hakanan ana iya aika buƙatun DSN na yau da kullun ta hanyar saita tashar TCP don sanarwar turawa.
source: budenet.ru