13 sunaye na uwar garken sune haɗin IPv4
The DNS root name sabobin fassara URLs a cikin IP adiresoshin . Wadannan sabobin tushen suna cibiyar sadarwar daruruwan sabobin a kasashe a duniya. Duk da haka, tare da su aka gano as 13 mai suna sabobin a cikin DNS tushen yankin.
Akwai wasu dalilai da sunan Yanar Gizo na Yanar Gizo na Yanar gizo yana amfani da saitunan DNS 13 daidai a tushen tushensa: An zaɓi lamba 13 ta matsayin sulhu tsakanin cibiyar sadarwa da tabbaci da kuma aikin, kuma 13 yana dogara ne akan ƙuntataccen layin Intanet (IP) version 4 (IPv4).
Duk da yake kawai 13 sanya DNS tushen uwar garken sunaye wanzu ga IPv4, a gaskiya, kowane daga cikin wadannan sunaye wakiltar ba guda kwamfuta amma wajen uwar garken cluster kunsha da yawa kwakwalwa. Wannan amfani da clustering ƙara ƙarfafa DNS ba tare da wani mummunan tasiri a kan ta yi.
Saboda daidaitattun IP version 6 ba su da irin waɗannan ƙananan iyaka akan girman tsarin sirrin mutum, zamu iya sa ran nan gaba DNS zai, a tsawon lokaci, ya ƙunshi ƙarin tushen sabobin don tallafa wa IPv6.
DNS IP Packets
Saboda aikin DNS yana dogara da miliyoyin wasu sabobin intanet din suna gano sabobin tushen a kowane lokaci, adiresoshin sabobin tushen dole ne su rarraba bisa IP kamar yadda ya kamata sosai. Tabbas, duk waɗannan adiresoshin IP ɗin zasu dace cikin saiti guda ( datagram ) don kauce wa aika saƙonnin rubutu tsakanin sabobin.
A cikin IPv4 a yawancin yau da kullum, bayanan DNS wanda zai iya shiga a cikin guda fakiti yana da ƙananan matsayin 512 bytes bayan cirewa duk sauran bayanan da ke tallafawa bayanai a cikin fakitoci. Kowane adireshin IPv4 yana buƙatar 32 bytes. Saboda haka, masu zane na DNS sun zaɓa 13 a matsayin yawan sabobin tushen IPv4, suna shan 416 bytes na fakiti da kuma barin har zuwa 96 bytes don wasu bayanan tallafi da kuma sauƙi don ƙara wasu ƙarin sabobin DNS a nan gaba idan an buƙata.
Amfani da Shafuka mai amfani da Dokar
Sunan uwar garke DNS ba duk abin da ke da muhimmanci ga mai amfani da kwamfuta ba. Lambar 13 kuma ba ta ƙuntatawa da saitunan DNS ɗin da zaka iya amfani dashi don na'urorinka ba. A gaskiya ma, akwai kundin adiresoshin DNS masu amfani da jama'a wanda kowa zai iya amfani da shi don canza saitunan DNS da duk wani na'urorin da suke amfani da su.
Alal misali, za ka iya yin kwamfutarka ta amfani da uwar garke na Cloudfare DNS domin shafukan intanit ɗinka ta gudana ta hanyar wannan adireshin DNS maimakon wani daban kamar Google. Wannan na iya zama da amfani idan uwar garke na Google ya ƙasa ko ka ga cewa zaka iya nema yanar gizo ta sauri ta amfani da uwar garken DNS na Google.