{"id":476656,"date":"2023-08-09T07:31:20","date_gmt":"2023-08-09T07:31:20","guid":{"rendered":""},"modified":"2023-09-05T11:13:11","modified_gmt":"2023-09-05T11:13:11","slug":"data-link-layer","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/data-link-layer\/","title":{"rendered":"Veri ba\u011flant\u0131s\u0131 katman\u0131"},"content":{"rendered":"<p>Veri ba\u011flant\u0131s\u0131 katman\u0131, A\u00e7\u0131k Sistemler Ara Ba\u011flant\u0131s\u0131 (OSI) modelindeki ikinci katmand\u0131r. Veri paketlerinin fiziksel a\u011flar aras\u0131nda g\u00fcvenilir \u015fekilde ta\u015f\u0131nmas\u0131n\u0131 y\u00f6netir, hata tespitini ve d\u00fczeltmeyi y\u00f6netir ve a\u011f eri\u015fimini y\u00f6netir.<\/p>\n<h2>Veri Ba\u011flant\u0131 Katman\u0131n\u0131n Tarihsel Ba\u011flam\u0131<\/h2>\n<p>Veri ba\u011flant\u0131s\u0131 katman\u0131 kavram\u0131, OSI modelinin 1970&#039;lerin sonu ve 1980&#039;lerin ba\u015f\u0131nda Uluslararas\u0131 Standardizasyon \u00d6rg\u00fct\u00fc (ISO) taraf\u0131ndan geli\u015ftirilmesine dayanmaktad\u0131r. Bu model, a\u011f cihazlar\u0131 ve yaz\u0131l\u0131mlar\u0131 aras\u0131nda geli\u015ftirme ve birlikte \u00e7al\u0131\u015fabilirlik i\u00e7in a\u00e7\u0131k bir ortam yaratmak \u00fczere tasarland\u0131. OSI modeli, bilgisayardan bilgisayara ileti\u015fimin karma\u015f\u0131k s\u00fcrecini y\u00f6netilebilir yedi katmana ay\u0131r\u0131r. \u0130kincisi olan veri ba\u011flant\u0131 katman\u0131 ise fiziksel ortam \u00fczerinden cihazlar aras\u0131nda g\u00fcvenilir ve verimli veri aktar\u0131m\u0131 sa\u011flamak \u00fczere tasarland\u0131.<\/p>\n<h2>Veri Ba\u011flant\u0131 Katman\u0131n\u0131 Daha Derinlemesine \u0130ncelemek<\/h2>\n<p>Veri ba\u011flant\u0131s\u0131 katman\u0131, OSI modeli i\u00e7erisinde birka\u00e7 \u00f6nemli i\u015fleve hizmet eder:<\/p>\n<ol>\n<li>\n<p><strong>\u00c7er\u00e7eve Senkronizasyonu<\/strong>: A\u011f katman\u0131ndan al\u0131nan bit ak\u0131\u015f\u0131n\u0131 \u00e7er\u00e7eve ad\u0131 verilen y\u00f6netilebilir veri birimlerine b\u00f6ler.<\/p>\n<\/li>\n<li>\n<p><strong>Fiziksel Adresleme<\/strong>: \u00c7er\u00e7eveler a\u011fdaki farkl\u0131 sistemlere da\u011f\u0131t\u0131lacaksa, veri ba\u011flant\u0131 katman\u0131 hedef bilgisayar\u0131n fiziksel adresini tan\u0131mlamak i\u00e7in \u00e7er\u00e7eveye bir ba\u015fl\u0131k ekler.<\/p>\n<\/li>\n<li>\n<p><strong>Ak\u0131\u015f kontrol\u00fc<\/strong>: Verinin al\u0131c\u0131 taraf\u0131ndan al\u0131nma h\u0131z\u0131 g\u00f6ndericide \u00fcretilen h\u0131zdan d\u00fc\u015f\u00fckse, veri ba\u011flant\u0131 katman\u0131 al\u0131c\u0131n\u0131n a\u015f\u0131r\u0131 y\u00fcklenmesini \u00f6nlemek i\u00e7in bir ak\u0131\u015f kontrol mekanizmas\u0131 uygular.<\/p>\n<\/li>\n<li>\n<p><strong>Hata Kontrol\u00fc<\/strong>: Hasarl\u0131 veya kay\u0131p \u00e7er\u00e7eveleri tespit etmek ve yeniden iletmek i\u00e7in mekanizmalar ekleyerek fiziksel katmana g\u00fcvenilirlik katar. Ayr\u0131ca onaylama sistemlerini kullanarak \u00e7er\u00e7evelerin \u00e7o\u011falt\u0131lmas\u0131n\u0131 da \u00f6nler.<\/p>\n<\/li>\n<li>\n<p><strong>Giri\u015f kontrolu<\/strong>: Ayn\u0131 ba\u011flant\u0131ya iki veya daha fazla cihaz ba\u011fland\u0131\u011f\u0131nda, herhangi bir zamanda hangi cihaz\u0131n ba\u011flant\u0131 \u00fczerinde kontrole sahip oldu\u011funu belirlemek i\u00e7in veri ba\u011flant\u0131s\u0131 protokolleri gereklidir.<\/p>\n<\/li>\n<\/ol>\n<h2>Veri Ba\u011flant\u0131 Katman\u0131n\u0131n \u0130\u00e7 Yap\u0131s\u0131<\/h2>\n<p>Veri ba\u011flant\u0131 katman\u0131, i\u015flevlerini etkili bir \u015fekilde yerine getirebilmek i\u00e7in iki alt katmana b\u00f6l\u00fcnm\u00fc\u015ft\u00fcr:<\/p>\n<ol>\n<li>\n<p><strong>Mant\u0131ksal Ba\u011flant\u0131 Kontrol\u00fc (LLC)<\/strong>: Bu \u00fcst alt katman \u00e7er\u00e7eve senkronizasyonu, ak\u0131\u015f kontrol\u00fc ve hata kontrol\u00fcnden sorumludur.<\/p>\n<\/li>\n<li>\n<p><strong>Medya Eri\u015fim Kontrol\u00fc (MAC)<\/strong>: Alt alt katman MAC, a\u011fdaki bir cihaz\u0131n verilere nas\u0131l eri\u015fim sa\u011flad\u0131\u011f\u0131ndan ve bunlar\u0131 aktarma iznini ald\u0131\u011f\u0131ndan sorumludur.<\/p>\n<\/li>\n<\/ol>\n<h2>Veri Ba\u011flant\u0131 Katman\u0131n\u0131n Temel \u00d6zellikleri<\/h2>\n<ul>\n<li>\n<p><strong>\u00c7er\u00e7eveleme<\/strong>: \u00c7er\u00e7eveleme, a\u011f katman\u0131n\u0131n datagramlar\u0131ndan veya paketlerinden \u00e7er\u00e7eveler olu\u015fturma i\u015flemidir. Bu \u00e7er\u00e7eveler iletilmek \u00fczere fiziksel katmana g\u00f6nderilir.<\/p>\n<\/li>\n<li>\n<p><strong>Fiziksel Adresleme<\/strong>: A\u011fdaki her cihaza benzersiz bir kimlik sa\u011flar.<\/p>\n<\/li>\n<li>\n<p><strong>Hata ve Ak\u0131\u015f Kontrol\u00fc<\/strong>: Hata tespit\/d\u00fczeltme tekniklerini ve ak\u0131\u015f kontrol\u00fcn\u00fc uygulayarak g\u00fcvenilir bir ba\u011flant\u0131 sa\u011flar.<\/p>\n<\/li>\n<li>\n<p><strong>Giri\u015f kontrolu<\/strong>: Cihaz aktar\u0131m\u0131na ili\u015fkin kurallar\u0131 tan\u0131mlar.<\/p>\n<\/li>\n<\/ul>\n<h2>Veri Ba\u011flant\u0131 Katman\u0131 T\u00fcrleri<\/h2>\n<p>Veri ba\u011flant\u0131s\u0131 katman\u0131 protokolleri, \u00fczerinde \u00e7al\u0131\u015ft\u0131klar\u0131 a\u011f\u0131n t\u00fcr\u00fcne g\u00f6re s\u0131n\u0131fland\u0131r\u0131labilir:<\/p>\n<table>\n<thead>\n<tr>\n<th>A\u011f T\u00fcr\u00fc<\/th>\n<th>Protokol<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Yerel Alan A\u011f\u0131 (LAN)<\/td>\n<td>Ethernet, Jetonlu Halka<\/td>\n<\/tr>\n<tr>\n<td>Metropolitan Alan A\u011f\u0131 (MAN)<\/td>\n<td>Da\u011f\u0131t\u0131lm\u0131\u015f Kuyruk \u00c7ift Veri Yolu (DQDB)<\/td>\n<\/tr>\n<tr>\n<td>Geni\u015f Alan A\u011f\u0131 (WAN)<\/td>\n<td>Noktadan Noktaya Protokol (PPP), Y\u00fcksek D\u00fczey Veri Ba\u011flant\u0131 Kontrol\u00fc (HDLC)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Veri Ba\u011flant\u0131s\u0131 Katman\u0131n\u0131n Kullan\u0131m\u0131 ve \u0130lgili Sorunlar\/\u00c7\u00f6z\u00fcmler<\/h2>\n<p>Veri ba\u011flant\u0131 katman\u0131, a\u011flar \u00fczerinden veri aktar\u0131m\u0131n\u0131n omurgas\u0131n\u0131 olu\u015fturur. LAN ve WAN a\u011f\u0131 olu\u015fturma, a\u011f cihaz\u0131 tan\u0131mlama ve g\u00fcvenilir bir ileti\u015fim kanal\u0131 olu\u015fturma gibi \u00e7e\u015fitli uygulamalarda yer al\u0131r. Ancak ayn\u0131 zamanda \u00e7arp\u0131\u015fma, veri bozulmas\u0131 ve t\u0131kan\u0131kl\u0131k gibi sorunlarla da kar\u015f\u0131la\u015f\u0131r. Bu sorunlar s\u0131ras\u0131yla \u00e7arp\u0131\u015fma tespit algoritmalar\u0131, hata tespit ve d\u00fczeltme kodlar\u0131 ve ak\u0131\u015f kontrol mekanizmalar\u0131 arac\u0131l\u0131\u011f\u0131yla ele al\u0131nmaktad\u0131r.<\/p>\n<h2>Veri Ba\u011flant\u0131 Katman\u0131n\u0131n Kar\u015f\u0131la\u015ft\u0131rmal\u0131 Analizi<\/h2>\n<p>A\u015fa\u011f\u0131daki tablo, veri ba\u011flant\u0131 katman\u0131 ile biti\u015fik katmanlar aras\u0131ndaki kar\u015f\u0131la\u015ft\u0131rmay\u0131 g\u00f6stermektedir:<\/p>\n<table>\n<thead>\n<tr>\n<th>OSI Katman\u0131<\/th>\n<th>Fonksiyonlar<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Fiziksel katman<\/strong><\/td>\n<td>Ham bit ak\u0131\u015f\u0131n\u0131 fiziksel ortam \u00fczerinden iletir<\/td>\n<\/tr>\n<tr>\n<td><strong>Veri Ba\u011flant\u0131 Katman\u0131<\/strong><\/td>\n<td>Veri paketlerini \u00e7er\u00e7eveler, hata kontrol\u00fc ger\u00e7ekle\u015ftirir ve fiziksel ortama eri\u015fimi y\u00f6netir<\/td>\n<\/tr>\n<tr>\n<td><strong>A\u011f katman\u0131<\/strong><\/td>\n<td>Y\u00f6nlendirme ve paket iletmeyi y\u00f6netir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Gelecek Perspektifleri ve Teknolojiler<\/h2>\n<p>A\u011f teknolojisi geli\u015ftik\u00e7e, veri ba\u011flant\u0131s\u0131 katman\u0131 daha iyi veri iletimi i\u00e7in yeni teknikleri uyarlamaya ve entegre etmeye devam edecektir. Kuantum a\u011f\u0131 ve 5G veya 6G a\u011flar\u0131 gibi teknolojiler, daha y\u00fcksek veri h\u0131zlar\u0131n\u0131, daha d\u00fc\u015f\u00fck gecikmeyi ve artan a\u011f kapasitelerini y\u00f6netmek i\u00e7in veri ba\u011flant\u0131 katman\u0131 protokollerine ihtiya\u00e7 duyacakt\u0131r.<\/p>\n<h2>Proxy Sunucular\u0131 ve Veri Ba\u011flant\u0131 Katman\u0131<\/h2>\n<p>Di\u011fer sunuculardan kaynak arayan istemcilerin isteklerine arac\u0131l\u0131k eden proxy sunucular, OSI modelinin uygulama katman\u0131nda \u00e7al\u0131\u015f\u0131r. Bununla birlikte, verinin hedefine ula\u015fmak i\u00e7in bu katmandan ge\u00e7mesi gerekti\u011finden, veri ba\u011flant\u0131 katman\u0131 hala bir rol oynamaktad\u0131r. Proxy sunucular\u0131, g\u00fcvenilir veri iletimini sa\u011flamak i\u00e7in veri ba\u011flant\u0131 katman\u0131n\u0131n hata ve ak\u0131\u015f kontrol mekanizmalar\u0131n\u0131 kullanabilir.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/solutions\/collateral\/enterprise\/design-zone-smart-business-architecture\/sbaENP_whitepaper.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco \u2013 Veri Ba\u011flant\u0131 Katman\u0131<\/a><\/li>\n<li><a href=\"https:\/\/www.ibm.com\/docs\/en\/zos\/2.3.0?topic=layers-data-link-layer\" target=\"_new\" rel=\"noopener nofollow\">IBM Knowledge Center \u2013 Veri Ba\u011flant\u0131 Katman\u0131<\/a><\/li>\n<li><a href=\"https:\/\/www.csunplugged.org\/en\/topics\/computer-science-basics\/csunplugged\/whole-class-guided\/guide\/data-link-layer\/\" target=\"_new\" rel=\"noopener nofollow\">Bilgisayar Bilimi Serbest B\u0131rak\u0131ld\u0131 \u2013 Veri Ba\u011flant\u0131 Katman\u0131<\/a><\/li>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/windows\/it-pro\/windows-2000-server\/cc977218(v=technet.10)\" target=\"_new\" rel=\"noopener nofollow\">Microsoft \u2013 Veri Ba\u011flant\u0131 Katman\u0131<\/a><\/li>\n<\/ol>","protected":false},"featured_media":476657,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476656","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Data Link Layer: An In-Depth Examination<\/mark>","faq_items":[{"question":"What is the Data Link Layer?","answer":"<p>The Data Link Layer is the second layer in the Open Systems Interconnection (OSI) model. It is responsible for the reliable transportation of data packets across physical networks, handling error detection and correction, and governing network access.<\/p>"},{"question":"What are the primary functions of the Data Link Layer?","answer":"<p>The primary functions of the Data Link Layer include frame synchronization, physical addressing, flow control, error control, and access control.<\/p>"},{"question":"How does the Data Link Layer ensure reliable data transmission?","answer":"<p>The Data Link Layer ensures reliable data transmission by implementing error detection and correction techniques. If any error is detected, the layer triggers a retransmission of the corrupted data.<\/p>"},{"question":"What are the sublayers of the Data Link Layer?","answer":"<p>The Data Link Layer is divided into two sublayers - the Logical Link Control (LLC) that handles frame synchronization, flow control, and error checking, and the Media Access Control (MAC) that manages how a device on the network gains access to the data and permission to transmit it.<\/p>"},{"question":"What types of Data Link Layer protocols exist?","answer":"<p>Data Link Layer protocols vary based on the type of network. For instance, Ethernet and Token Ring are used in Local Area Networks (LAN), Distributed Queue Dual Bus (DQDB) in Metropolitan Area Networks (MAN), and Point-to-Point Protocol (PPP), High-Level Data Link Control (HDLC) in Wide Area Networks (WAN).<\/p>"},{"question":"How does the Data Link Layer interact with proxy servers?","answer":"<p>While proxy servers operate at the application layer of the OSI model, the Data Link Layer still plays a role in ensuring the data travels correctly from the source to the destination. This is done using the layer's error and flow control mechanisms.<\/p>"},{"question":"How will future technologies impact the Data Link Layer?","answer":"<p>As technology evolves and new concepts like quantum networking and advanced generation networks (5G, 6G) are introduced, the Data Link Layer will adapt to integrate new techniques for efficient data transmission, handle higher data rates, lower latency, and increased network capacities.<\/p>"},{"question":"What are some related resources for more information about the Data Link Layer?","answer":"<p>You can refer to resources like Cisco - Data Link Layer, IBM Knowledge Center - Data Link Layer, Computer Science Unleashed - Data Link Layer, and Microsoft - Data Link Layer for additional information.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476656\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/476657"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=476656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}