{"id":3716,"date":"2022-08-02T12:53:02","date_gmt":"2022-08-02T09:53:02","guid":{"rendered":"http:\/\/turknetwp.local\/?p=3716"},"modified":"2023-01-30T13:54:28","modified_gmt":"2023-01-30T10:54:28","slug":"vxlan-nedir","status":"publish","type":"post","link":"https:\/\/www.turk.net\/blog\/vxlan-nedir\/","title":{"rendered":"VXLAN Nedir?"},"content":{"rendered":"

\u0130nternet s\u0131n\u0131rs\u0131z bir g\u00fc\u00e7 ve bilgi kayna\u011f\u0131d\u0131r. Ev ve i\u015f yerlerinin olmazsa olmaz\u0131 bilgisayarlard\u0131r. \u00c7evremize bakt\u0131\u011f\u0131m\u0131zda kullan\u0131c\u0131lar\u0131n en az bir cihazdan internete girdi\u011fini g\u00f6r\u00fcr\u00fcz. Yaln\u0131zca g\u00fcnl\u00fck kullan\u0131m\u0131n de\u011fil i\u015f ya\u015fam\u0131n\u0131n da hayati bir par\u00e7as\u0131 haline gelen internet, teknoloji geli\u015ftik\u00e7e daha da geli\u015fmektedir. Her ge\u00e7en g\u00fcn internet verimlili\u011fini ve h\u0131z\u0131n\u0131 art\u0131rmak, internet g\u00fcvenli\u011fini sa\u011flamak i\u00e7in yeni sistemler, yaz\u0131l\u0131mlar veya ayg\u0131tlar geli\u015ftirildi\u011fini duymaktay\u0131z. VXLAN da bunlardan biridir.\u00a0<\/span><\/p>\n

VXLAN Nedir?<\/span><\/h2>\n

VXLAN asl\u0131na bak\u0131l\u0131rsa bir yer payla\u015f\u0131m\u0131 katman\u0131d\u0131r. Mevcut olan Layer (katman) 2 a\u011f\u0131n\u0131n ba\u011flant\u0131lar\u0131 geni\u015fletilir. Bu geni\u015fletme de t\u00fcnelleme ad\u0131 verilen teknik kullan\u0131l\u0131r. Geni\u015fletme a\u011fda veri ba\u011flant\u0131s\u0131 Layer 3 \u00fczerinde yap\u0131l\u0131r. Bu merkezi ba\u011flant\u0131y\u0131 sa\u011flayan ise VXLAN ad\u0131 verilen kaps\u00fclleme protokol\u00fcd\u00fcr. Daha a\u00e7\u0131k bir ifade ile sanalla\u015fm\u0131\u015ft\u0131r diyebiliriz. Mevcut olan katman\u0131 ba\u015fka bir katman\u0131n \u00fcst\u00fcne \u201cbindirme\u201d ad\u0131 verilen teknik ile in\u015fa edilmi\u015ftir. Asl\u0131nda bu olu\u015fan sanal bir a\u011fd\u0131r.\u00a0<\/span><\/p>\n

VXLAN Ne \u0130\u015fe Yarar?<\/span><\/h2>\n

VXLAN a\u011f\u0131 genellikle a\u011f m\u00fchendisleri taraf\u0131ndan kullan\u0131lmaktad\u0131r. Bulut teknolojisi kullan\u0131yorsan\u0131z siz de bu a\u011f\u0131 duymu\u015f olabilirsiniz. Bu a\u011f ile i\u015flem ortam\u0131 daha kolay bir \u015fekilde \u00f6l\u00e7eklendirilmekte ve kirac\u0131 hizmetleri izole edilmektedir. Yo\u011funla\u015f\u0131lmas\u0131 gereken nokta ise \u00f6l\u00e7eklenebilirliktir. VXLAN\u2019\u0131n temel olarak tasarlanma amac\u0131 budur. Ba\u011fl\u0131 oldu\u011fu protokol ise Ethernet\u2019tir. Yukar\u0131da bahsedildi\u011fi \u00fczere kulland\u0131\u011f\u0131 teknik t\u00fcnellemedir ve bu y\u00f6ntem ile \u00e7al\u0131\u015farak sanal a\u011f olu\u015fturur. VXLAN\u2019\u0131n \u00e7al\u0131\u015fabilmesi i\u00e7in cihaz\u0131n\u0131zda UDP paketi bulunmas\u0131 ya da uyumlu bir cihaz olmas\u0131 gerekmektedir.\u00a0<\/span><\/p>\n

VXLAN\u2019\u0131 di\u011fer a\u011flardan ay\u0131ran temel \u00f6zelli\u011fi a\u011f sanalla\u015ft\u0131rmas\u0131d\u0131r. \u0130ki farkl\u0131 yerdeki VXLAN\u2019\u0131n kolay bir \u015fekilde tek bir yerdeymi\u015f ve tek bir yerden y\u00f6netiliyormu\u015f gibi \u00e7al\u0131\u015fmas\u0131 sa\u011flan\u0131r. VXLAN\u2019\u0131n avantajlar\u0131 \u015fu \u015fekilde kullan\u0131labilir:<\/span><\/p>\n

    \n
  • A\u011f sanalla\u015ft\u0131rmas\u0131 yapar. Bu da sanal bir a\u011f olu\u015fumu demektir.<\/span><\/li>\n
  • Sanal a\u011f ger\u00e7ek a\u011fdan ayr\u0131labilir.\u00a0<\/span><\/li>\n
  • Sanal a\u011f kolayl\u0131kla y\u00f6netilebilir.<\/span><\/li>\n
  • Sanal a\u011f\u0131 otomatikle\u015febilir ve b\u00f6ylelikle d\u00fczenleme kolayla\u015f\u0131r.<\/span><\/li>\n
  • VXLAN yani sanal a\u011f olu\u015fturmak limitli de\u011fildir. 16 milyon VXLAN olu\u015fturabilirsiniz.<\/span><\/li>\n
  • \u0130htiya\u00e7 halinde yeterli miktarda size a\u011f segmentasyonu sa\u011flan\u0131r.<\/span><\/li>\n
  • Sanal makinelerin ge\u00e7i\u015fi m\u00fcmk\u00fcn k\u0131l\u0131n\u0131r.<\/span><\/li>\n
  • A\u011f yollar\u0131 daha verimli kullan\u0131l\u0131r.<\/span><\/li>\n
  • \u0130\u015f y\u00fck\u00fc esnek bir \u015fekilde da\u011f\u0131t\u0131larak yo\u011funluk fiziksel segmentlere g\u00f6nderilir.<\/span><\/li>\n<\/ul>\n

    G\u00fcn\u00fcm\u00fczde interneti en verimli \u015fekilde kullanmak i\u00e7in pek \u00e7ok teknoloji \u00fcr\u00fcn\u00fc ortaya \u00e7\u0131km\u0131\u015ft\u0131r. Bu teknoloji \u00fcr\u00fcnlerinden biri olan VXLAN bulut bili\u015fim ile ilgili olan ki\u015filerin mutlaka duydu\u011fu bir kavram haline gelmi\u015ftir. Geleneksel \u015fekilde olu\u015fturulan veri merkezlerinde Layer 2 yat\u0131r\u0131m\u0131n\u0131n zorlanmas\u0131 ve geni\u015fletilmesi VXLAN ad\u0131 verilen sanal sa\u011flarla m\u00fcmk\u00fcn olmu\u015ftur. \u00dc\u00e7\u00fcnc\u00fc bir katman oldu\u011funu s\u00f6yleyebiliriz. \u00c7ok zor olan bu g\u00f6revi VXLAN yerine getirmeyi ba\u015farm\u0131\u015ft\u0131r. B\u00f6ylelikle kirac\u0131 say\u0131s\u0131 fazla olan segmentte artmas\u0131 \u00f6nlenmi\u015ftir. Bu da mevcut olan i\u015f y\u00fck\u00fcn\u00fcn veri merkezi bir \u015fekilde yerle\u015ftirilmesi sonucu olmu\u015ftur.\u00a0<\/span><\/p>\n

    Bu yerle\u015ftirme i\u00e7in a\u011f yap\u0131s\u0131 geni\u015fletilerek veri esnek bir \u015fekilde veri merkezinde bulunan fiziksel segmentlere konulmu\u015ftur. Buna ek olarak \u00f6l\u00e7eklenebilirlik sunan VXLAN daha \u00e7ok katman 2 segmentine ula\u015fabilmek i\u00e7in kullan\u0131l\u0131r. Daha \u00e7ok segment derken asl\u0131nda 24 milyona yak\u0131n 16 bit segment kimli\u011fi olan VLAN denilmektedir. VXLAN konusu hala tamamen \u00e7\u00f6z\u00fclm\u00fc\u015f de\u011fildir. Teknoloji geli\u015ftik\u00e7e bu konuda \u00e7al\u0131\u015fmalar devam ediyor.<\/span><\/p>\n

    K\u0131saca \u00f6zetlemek gerekirse VXLAN kullan\u0131m\u0131 gelecek teknolojileri i\u00e7erisinde yer alacakt\u0131r. Bunun ba\u015fl\u0131ca sebebi ise L3 a\u011flar\u0131 \u00fczerinde sanal bir a\u011f olu\u015fumu olan L3\u2019e izin verilmesidir. Bu teknoloji ile bireysel olarak \u00e7al\u0131\u015fan normal bir VLAN ID ile k\u0131yasland\u0131\u011f\u0131nda \u00e7ok kolay bir \u015fekilde \u00f6l\u00e7eklenebilirlik sa\u011flanabilir.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

    \u0130nternet s\u0131n\u0131rs\u0131z bir g\u00fc\u00e7 ve bilgi kayna\u011f\u0131d\u0131r. Ev ve i\u015f yerlerinin olmazsa olmaz\u0131 bilgisayarlard\u0131r. \u00c7evremize bakt\u0131\u011f\u0131m\u0131zda kullan\u0131c\u0131lar\u0131n en az bir cihazdan internete girdi\u011fini g\u00f6r\u00fcr\u00fcz. Yaln\u0131zca g\u00fcnl\u00fck kullan\u0131m\u0131n de\u011fil i\u015f ya\u015fam\u0131n\u0131n da hayati bir par\u00e7as\u0131 haline gelen internet, teknoloji geli\u015ftik\u00e7e daha da geli\u015fmektedir. Her ge\u00e7en g\u00fcn internet verimlili\u011fini ve h\u0131z\u0131n\u0131 art\u0131rmak, internet g\u00fcvenli\u011fini sa\u011flamak i\u00e7in yeni […]<\/p>\n","protected":false},"author":7,"featured_media":4887,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-3716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-internet-terimleri"],"acf":[],"yoast_head":"\nVXLAN Nedir? - Turknet Blog<\/title>\n<meta name=\"description\" content=\"VXLAN nedir? Ne i\u015fe yarar? 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