{"id":36854,"date":"2019-10-31T22:14:15","date_gmt":"2019-10-31T19:14:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/retrospektiva-kak-istoshhalis-adresa-ipv4\/"},"modified":"2019-10-31T22:14:15","modified_gmt":"2019-10-31T19:14:15","slug":"retrospektiva-kak-istoshhalis-adresa-ipv4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/retrospektiva-kak-istoshhalis-adresa-ipv4","title":{"rendered":"Tagasivaade: kuidas IPv4-aadressid said otsa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Geoff Huston, APNIC-i peamine insener-uurija, ennustas, et IPv4-aadressid saavad otsa 2020. aastaks. Uues materjalits\u00fcklis v\u00e4rskendame teavet selle kohta, kuidas aadressid otsa said, kellel need veel on ja miks nii l\u00e4ks.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/462435\/\"><img decoding=\"async\" alt=\"Tagasivaade: kuidas IPv4-aadressid said otsa\" src=\"\/wp-content\/uploads\/2019\/08\/b1bf313f07dff7552813a1e71d4f8bfe.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<i>\/ Unsplash \/ <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/photos\/EKnd0HcEyCM\">Lo\u00efc Mermilliod<\/a><\/noindex><\/i><\/p>\n<h2>Miks aadressid saavad otsa<\/h2>\n<p>\nEnne kui r\u00e4\u00e4gime sellest, kuidas IPv4 poodium kuivas, r\u00e4\u00e4gime veidi p\u00f5hjustest. 1983. aastal kasutati TCP\/IP juurutamisel 32-bitist adresseerimist. Sel ajal <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.igalia.com\/dpino\/2017\/05\/25\/ipv4-exhaustion\/\">n\u00e4is<\/a><\/noindex>, et 4,3 miljardit aadressi 4,5 miljardi inimese jaoks on t\u00e4iesti piisav. Kuid toona ei arvestanud arendajad, et maailma rahvaarv kahekordistub ning internet muutub massiliselt k\u00e4ttesaadavaks.<\/p>\n<p>Samas 80-ndatel aastatel said paljud organisatsioonid rohkem aadresse, kui nad tegelikult vajasid. Mitmed ettev\u00f5tted kasutavad endiselt avalikke aadresse serverite jaoks, mis t\u00f6\u00f6tavad ainult kohalikus v\u00f5rgus. Liitmisele aitas kaasa mobiiltehnoloogiate, asjade interneti ja virtualiseerimise levik. \u00dcksnes teiste hostide arvu vale hindamine globaalsetes v\u00f5rkudes ja ebaefektiivne aadresside jagamine viisid IPv4 defitsiidini.<\/p>\n<h2>Kuidas aadressid olid otsa saanud<\/h2>\n<p>\n2000. aastate alguses teatas APNIC-i direktor Paul Wilson <noindex><a rel=\"nofollow\" href=\"https:\/\/www.cnet.com\/news\/exec-no-shortage-of-net-addresses\/\">, et IPv4-aadressid saavad otsa l\u00e4hip\u00e4evil. \u00dcldiselt osutus tema prognoos \u00fcllatavalt t\u00e4pseks.<\/a><\/noindex>2011. aasta:<\/p>\n<p><b>Nagu Wilson ennustas, j\u00e4i APNIC-ile (Aasia ja Vaikse ookeani piirkonna vastutav interneti register) viimaseks<\/b> blokiks \/8. <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/\u0411\u0435\u0441\u043a\u043b\u0430\u0441\u0441\u043e\u0432\u0430\u044f_\u0430\u0434\u0440\u0435\u0441\u0430\u0446\u0438\u044f\">Organisatsioon kehtestas uue reegli \u2013 \u00fcks 1024-aadressiline blokk \u201e\u00fche k\u00e4e\u201c peale. Anal\u00fc\u00fctikud \u00fctlevad, et ilma selle piiranguta oleks \/8 blokk kuu ajaga otsa saanud. N\u00fc\u00fcd on APNIC-il j\u00e4\u00e4nud vaid v\u00e4ike arv aadresse.<\/a><\/noindex>2012. aasta:<\/p>\n<p><b>Euroopa interneti registreerija RIPE teatas, et poodium on t\u00fchi. Samuti hakkas ta jagama viimast \/8 bloki. Organisatsioon j\u00e4rgnes APNIC-i eeskuju ja kehtestas rangemad piirangud IPv4 jaotamiseks. 2015. aastaks oli RIIPE-il j\u00e4\u00e4nud vaid 16 miljonit vaba aadressi. T\u00e4na on see number oluliselt v\u00e4henenud \u2013<\/b> kuni 3,5 miljonit. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ripe.net\/publications\/ipv6-info-centre\/about-ipv6\/ipv4-exhaustion\/ipv4-available-pool\">Oluline on m\u00e4rkida, et 2012. aastal<\/a><\/noindex>toimus IPv6 globaalne k\u00e4ivitamine. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.worldipv6launch.org\/\">toimus Maailma IPv6 k\u00e4ivitamine<\/a><\/noindex>. Maailma sideoperaatorid aktiveerisid uue protokolli osa oma klientide jaoks. Esmakordselt olid nende seas AT&amp;T, Comcast, Free Telecom, Internode, XS4ALL jt. Samal ajal l\u00fclitasid Cisco ja D-Link IPv6 vaikimisi oma toodetud marsruutorite seadistustes sisse.<\/p>\n<blockquote><p><b>Paari v\u00e4rske materjali meie blogist Habrast:<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/461431\/\">\u201eArmastab ja ei armasta\u201d: DNS \u00fcle HTTPS<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/461443\/\">Post-anal\u00fc\u00fcs: mida on teada viimase r\u00fcnnaku kohta kr\u00fcptov\u00f5tmete veebiserverite SKS Keyserver<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/457106\/\">S\u00f5da robo-k\u00f5nede vastu USA-s \u2014 kes v\u00f5idab ja miks<\/a><\/noindex><\/li>\n<\/ul>\n<\/blockquote>\n<p>\n<b>2013. aasta:<\/b> Jeff Haston APNIC-ist blogis <noindex><a rel=\"nofollow\" href=\"http:\/\/www.circleid.com\/posts\/20130724_exactly_when_is_arin_going_to_run_out_of_ipv4_addresses\/\">r\u00e4\u00e4kis<\/a><\/noindex>, et IPv4 aadressid Ameerika registris ARIN saavad otsa 2014. aasta teisel poolel. Umbes samal ajal teatasid ARINi esindajad <noindex><a rel=\"nofollow\" href=\"https:\/\/www.arin.net\/vault\/announcements\/2013\/20130801.html\">et neil on alles ainult kaks plokki \/8.<\/a><\/noindex>, et neil on j\u00e4\u00e4nud ainult kaks blokk \/8.<\/p>\n<p><b>2015. aasta:<\/b> ARIN <noindex><a rel=\"nofollow\" href=\"https:\/\/www.theregister.co.uk\/2015\/09\/24\/arin_ipv4_interview_ipv6\/\">sai<\/a><\/noindex> esimeseks registriks, millel oli t\u00e4ielikult l\u00f5ppenud vabade IPv4 aadresside varu. K\u00f5ik selle piirkonna ettev\u00f5tted seisavad j\u00e4rjekorras ja ootavad, kuni keegi vabastab kasutamata IP-d.<\/p>\n<p><b>2017. aasta:<\/b> Aadresside v\u00e4ljaandmise l\u00f5petamisest\u00a0<noindex><a rel=\"nofollow\" href=\"http:\/\/www.potaroo.net\/ispcol\/2015-08\/last8.html\">teatasid<\/a><\/noindex>\u00a0registris LACNIC, mis vastutab L\u00f5una-Ameerika riikide eest. N\u00fc\u00fcd <noindex><a rel=\"nofollow\" href=\"http:\/\/www.lacnic.net\/web\/lacnic\/agotamiento-ipv4\">saavad<\/a><\/noindex> ploki osta ainult need ettev\u00f5tted, kes pole neid kunagi varem saanud. AFRINIC \u2014 mis vastutab Aafrika regiooni \u2014 on samuti m\u00e4\u00e4ranud aadresside v\u00e4ljaandmisele piirangud. Rangelt hinnatakse nende m\u00e4\u00e4ramist ja maksimaalselt lubatud kogus \u00fches k\u00e4es on piiratud.<\/p>\n<p><b>2019. aasta:<\/b> T\u00e4na on k\u00f5igil registritel j\u00e4\u00e4nud suhteliselt v\u00e4he aadresse. Varud p\u00fcsivad, kuna kasutamata aadresse tagastatakse aeg-ajalt m\u00fc\u00fcgiks. N\u00e4iteks MITis <noindex><a rel=\"nofollow\" href=\"https:\/\/www.techspot.com\/news\/69055-mit-unload-8-million-ipv4-addresses-fund-ipv6.html\">leiti<\/a><\/noindex> 14 miljonit IP-aadressi. Enamiku neist otsustati m\u00fc\u00fca vajavatele ettev\u00f5tetele.<\/p>\n<h2>Mis edasi<\/h2>\n<p>\nOn arvamus, et IPv4 aadressid <noindex><a rel=\"nofollow\" href=\"https:\/\/ipv4.potaroo.net\/\">l\u00f5ppevad<\/a><\/noindex> 2020. aasta veebruariks. P\u00e4rast seda seisavad interneti-teenuse pakkujad, v\u00f5rgu seadmete tootjad ja teised ettev\u00f5tted <noindex><a rel=\"nofollow\" href=\"https:\/\/arstechnica.com\/tech-policy\/2011\/04\/no-more-addresses-asia-pacific-region-ipv4-well-runs-dry\/\">valiku ees<\/a><\/noindex> \u2014 migreeruda IPv6-le v\u00f5i t\u00f6\u00f6tada <noindex><a rel=\"nofollow\" href=\"http:\/\/blog.vasexperts.ru\/?p=120\">NAT-mehhanismidega<\/a><\/noindex>.<\/p>\n<p>V\u00f5rgu aadresside t\u00f5lgendamine (NAT) v\u00f5imaldab mitu lokaalset aadressi muuta \u00fcheks v\u00e4liseks. Maksimaalne sadamate arv on 65 tuhat. Teoreetiliselt on sama arvu lokaalseid aadresse v\u00f5imalik kaardi alla viia \u00fchele avalikule aadressile (kui mitte arvesse v\u00f5tta m\u00f5ningaid NATi rakenduste eripiiranguid).<\/p>\n<p><img decoding=\"async\" alt=\"Tagasivaade: kuidas IPv4-aadressid said otsa\" src=\"\/wp-content\/uploads\/2019\/08\/18505c575eee7ff32fdfcaf989d710bd.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\/ Unsplash \/ <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/photos\/X5c3f2QZGXQ\">Jordan Whitt<\/a><\/noindex><\/i><\/p>\n<p>Interneti teenusepakkujad v\u00f5ivad kasutada spetsialiseeritud lahendusi \u2014 Carrier Grade NAT. Need v\u00f5imaldavad tsentraliseeritud juhtimist abonentide kohalike ja v\u00e4liste aadresside \u00fcle ning piiravad klientidele k\u00e4ttesaadavaid TCP- ja UDP-portide arvu. Seega jaotatakse pordid kasutajate vahel t\u00f5husamalt ning lisatakse ka kaitse DDoS-r\u00fcnnakute eest.<\/p>\n<p>NAT-i puudustest v\u00f5ib v\u00e4lja tuua potentsiaalsed probleemid tulem\u00fc\u00fcridega. K\u00f5ik kasutaja sessioonid v\u00e4ljuvad v\u00f5rku \u00fche avaliku aadressi kaudu. Tulemuseks on see, et ainult \u00fcks klient saab korraga t\u00f6\u00f6tada veebilehtedega, mis avavad juurdep\u00e4\u00e4su teenustele IP-aadressi kaudu. Veelgi enam, ressurss v\u00f5ib arvata, et selle vastu tehakse DoS-r\u00fcnnak ja sulgeda juurdep\u00e4\u00e4s k\u00f5igile klientidele.<\/p>\n<p>NAT-i alternatiiviks on \u00fcleminek IPv6-le. Nendest aadressidest piisab pikaks ajaks ning lisaks on neil mitu eeliseid. N\u00e4iteks sisseehitatud IPSec-komponent, mis kr\u00fcpteerib eraldiseisvaid andmepakette.<\/p>\n<p>Praegu on IPv6\u00a0<noindex><a rel=\"nofollow\" href=\"https:\/\/w3techs.com\/technologies\/details\/ce-ipv6\/all\/all\">kasutatakse<\/a><\/noindex>\u00a0ainult 14,3% veebisaitidest \u00fcle kogu maailma. Protokolli laialdast kasutuselev\u00f5ttu takistavad mitmed tegurid, sealhulgas migratsiooni kulud, tagasivaatamise \u00fchilduvuse puudumine ja tehnilised raskused juurutamisel.<\/p>\n<p>Sellest r\u00e4\u00e4gime j\u00e4rgmine kord.<\/p>\n<blockquote><p><b>Millest kirjutame VAS Expertsi ettev\u00f5tteblogis:<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vasexperts.ru\/blog\/seti\/vnedrenie-ipv6-faq-dlya-internet-provajderov\/\">IPv6 juurutamine \u2014 KKK interneti teenusepakkujatele<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vasexperts.ru\/blog\/telekom\/protokol-ipv6-ot-teorii-k-praktike\/\">IPv6 protokoll \u2014 teooriast praktikasse<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vasexperts.ru\/blog\/telekom\/ekonomiya-na-spichkax-i-neskolko-sposobov-vystrelit-sebe-v-nogu-kriticheskie-oshibki-v-stroitelstve-setej-operatorov-svyazi\/\">\u201eK\u00e4esalu: kriitilised vead sideoperatsioonide v\u00f5rkude rajamisel<\/a><\/noindex><\/li>\n<\/ul>\n<\/blockquote>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/462435\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u0436\u0435\u0444\u0444 \u0425\u0430\u0441\u0442\u043e\u043d (Geoff Huston), \u0433\u043b\u0430\u0432\u043d\u044b\u0439 \u0438\u043d\u0436\u0435\u043d\u0435\u0440-\u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442-\u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 APNIC, \u0441\u043f\u0440\u043e\u0433\u043d\u043e\u0437\u0438\u0440\u043e\u0432\u0430\u043b, \u0447\u0442\u043e \u0430\u0434\u0440\u0435\u0441\u0430 IPv4 \u0437\u0430\u043a\u043e\u043d\u0447\u0430\u0442\u0441\u044f \u0432 2020 \u0433\u043e\u0434\u0443. \u0412 \u043d\u043e\u0432\u043e\u043c \u0446\u0438\u043a\u043b\u0435 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432 \u043c\u044b \u043e\u0441\u0432\u0435\u0436\u0438\u043c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e \u0442\u043e\u043c, \u043a\u0430\u043a \u0438\u0441\u0442\u043e\u0449\u0430\u043b\u0438\u0441\u044c \u0430\u0434\u0440\u0435\u0441\u0430, \u0443 \u043a\u043e\u0433\u043e \u043e\u043d\u0438 \u0435\u0449\u0435 \u043e\u0441\u0442\u0430\u043b\u0438\u0441\u044c \u0438 \u043f\u043e\u0447\u0435\u043c\u0443 \u0442\u0430\u043a \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c. \/ Unsplash \/ Lo\u00efc Mermilliod \u041f\u043e\u0447\u0435\u043c\u0443 \u043a\u043e\u043d\u0447\u0430\u044e\u0442\u0441\u044f \u0430\u0434\u0440\u0435\u0441\u0430 \u041f\u0440\u0435\u0436\u0434\u0435 \u0447\u0435\u043c \u043f\u0435\u0440\u0435\u0439\u0442\u0438 \u043a \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0443 \u043e \u0442\u043e\u043c, \u043a\u0430\u043a \u00ab\u0432\u044b\u0441\u044b\u0445\u0430\u043b\u00bb \u043f\u0443\u043b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27613,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-36854","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u0436\u0435\u0444\u0444 \u0425\u0430\u0441\u0442\u043e\u043d (Geoff Huston), \u0433\u043b\u0430\u0432\u043d\u044b\u0439 \u0438\u043d\u0436\u0435\u043d\u0435\u0440-\u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442-\u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 APNIC, 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