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STORE And FORWARD YONTEMI

Last update: 10/17/2012 11:36:00 PM

Yazan:Fatih KABAKCI

Ağ topolojisinde önemli bir yer edinen yönlendiriciler(router) ağ trafiğini yöneten en önemli araçlardan bir tanesidir.Bir router ağ üzerinde aldığı veriyi en uygun bir node'e ileten bir bilgisayardır.Özellikle Geniş Alan Ağları(Wide Area Networks) üzerinde sıklıkla kullanılan router,belleğinde bulundurduğu yönlendirme tablosu(routing table) ile kendisine en yakın lokasyonlara paketleri(veri) aktarmaktadır.



Bir router almış olduğu veriyi belleğinde saklayarak,routing table yardımıyla veriyi aktaracağı en uygun noktayı belirler.Bu işlem için bir süre bekleyen router,belirlediği noktaya veriyi iletir.İşte router'in uygulamış olduğu bu yönteme Store and Forward(Sakla ve Gönder) yöntemi adı verilir.Bu yöntem Network Katman modeli içerisinde kullanılan servislerde de geçerlidir.Özellikle Paket Anahtarlamalı Ağlar(Packet Switched Networks) bu modeli kullanan ağlardan bir tanesidir.
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