{"id":478154,"date":"2023-08-09T09:28:14","date_gmt":"2023-08-09T09:28:14","guid":{"rendered":""},"modified":"2023-09-05T11:16:11","modified_gmt":"2023-09-05T11:16:11","slug":"network-hub","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/network-hub\/","title":{"rendered":"A\u011f merkezi"},"content":{"rendered":"<p>A\u011f hub&#039;\u0131, birden fazla Ethernet ayg\u0131t\u0131n\u0131 birbirine ba\u011flayarak bunlar\u0131n tek bir a\u011f b\u00f6l\u00fcm\u00fc gibi davranmas\u0131n\u0131 sa\u011flayan bir ayg\u0131tt\u0131r. OSI modelinin fiziksel katman\u0131nda \u00e7al\u0131\u015f\u0131r ve verileri filtrelemez, gelen veri paketlerini t\u00fcm ba\u011flant\u0131 noktalar\u0131na iletir. Bu makale a\u011f hub&#039;lar\u0131n\u0131n derinlemesine incelenmesini sa\u011flayacakt\u0131r.<\/p>\n<h2>Network Hub&#039;\u0131n K\u00f6keni ve \u0130lk S\u00f6z\u00fc<\/h2>\n<p>A\u011f hub&#039;\u0131 Ethernet teknolojisinin ilk g\u00fcnlerinde ortaya \u00e7\u0131kt\u0131. 1980&#039;lerde, Yerel Alan A\u011f\u0131ndaki (LAN) bilgisayarlar\u0131n birbirleriyle ileti\u015fim kurmas\u0131na olanak tan\u0131yan, anahtarlara ucuz bir alternatif olarak geli\u015ftirildi. Merkez, bilgisayar a\u011flar\u0131n\u0131n erken geli\u015fiminde \u00e7ok \u00f6nemliydi ve a\u011f teknolojisinin daha eri\u015filebilir ve uygun maliyetli olmas\u0131na yard\u0131mc\u0131 oldu.<\/p>\n<h2>A\u011f Merkezi Hakk\u0131nda Detayl\u0131 Bilgi<\/h2>\n<h3>Konu A\u011f\u0131 Merkezini Geni\u015fletme<\/h3>\n<p>A\u011f hub&#039;lar\u0131, gelen verileri alan ve bunu di\u011fer t\u00fcm ba\u011fl\u0131 cihazlara yay\u0131nlayan \u00e7ok ba\u011flant\u0131 noktal\u0131 tekrarlay\u0131c\u0131lar olarak i\u015flev g\u00f6r\u00fcr. A\u011f anahtarlar\u0131n\u0131n aksine, hub&#039;lar\u0131n verileri se\u00e7ici olarak belirli cihazlara g\u00f6nderme yetene\u011fi yoktur. Bu se\u00e7icilik eksikli\u011fi a\u011f verimsizli\u011fi yaratabilir ancak temel ba\u011flant\u0131 ihtiya\u00e7lar\u0131 i\u00e7in uygundur.<\/p>\n<h2>A\u011f Hub&#039;\u0131n\u0131n \u0130\u00e7 Yap\u0131s\u0131<\/h2>\n<h3>A\u011f Merkezi Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h3>\n<p>Bir a\u011f hub&#039;\u0131 birden fazla ba\u011flant\u0131 noktas\u0131ndan, dahili bir g\u00fc\u00e7 kayna\u011f\u0131ndan ve basit yay\u0131n mant\u0131\u011f\u0131ndan olu\u015fur. Bir veri paketi bir porttan al\u0131nd\u0131\u011f\u0131nda \u00e7o\u011falt\u0131l\u0131r ve di\u011fer t\u00fcm portlara g\u00f6nderilir. Filtreleme veya y\u00f6nlendirme \u00f6zellikleri yoktur ve ba\u011fl\u0131 cihazlar aras\u0131nda ayr\u0131m yapacak zeka yoktur. T\u00fcm cihazlar etkili bir \u015fekilde ayn\u0131 ileti\u015fim hatt\u0131n\u0131 payla\u015ft\u0131\u011f\u0131ndan \u00e7arp\u0131\u015fma ve \u00e7eki\u015fme yayg\u0131n sorunlard\u0131r.<\/p>\n<h2>A\u011f Hub&#039;\u0131n\u0131n Temel \u00d6zelliklerinin Analizi<\/h2>\n<ul>\n<li><strong>Basitlik<\/strong>: Kurmas\u0131 ve kullanmas\u0131 kolay.<\/li>\n<li><strong>D\u00fc\u015f\u00fck maliyetli<\/strong>: Genellikle anahtarlardan daha ucuzdur.<\/li>\n<li><strong>Y\u00f6netime Gerek Yok<\/strong>: Yap\u0131land\u0131rma gerektirmeyen i\u015flevler.<\/li>\n<li><strong>Se\u00e7icilik Eksikli\u011fi<\/strong>: T\u00fcm portlara veri g\u00f6ndererek verimsizli\u011fe neden olur.<\/li>\n<li><strong>\u00c7arp\u0131\u015fma Alan\u0131<\/strong>: T\u00fcm cihazlar ayn\u0131 bant geni\u015fli\u011fini payla\u015f\u0131r ve bu da \u00e7arp\u0131\u015fmalara yol a\u00e7ar.<\/li>\n<\/ul>\n<h2>A\u011f Merkezi T\u00fcrleri<\/h2>\n<p>Temel olarak iki t\u00fcr a\u011f hub&#039;\u0131 vard\u0131r:<\/p>\n<ol>\n<li>\n<p><strong>Aktif Merkez<\/strong>:<\/p>\n<ul>\n<li>Sinyali g\u00fc\u00e7lendirir.<\/li>\n<li>Genellikle harici g\u00fc\u00e7 gerektirir.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Pasif Merkez<\/strong>:<\/p>\n<ul>\n<li>Sinyali g\u00fc\u00e7lendirmez.<\/li>\n<li>Harici g\u00fc\u00e7 gerektirmez.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>A\u011f Hub&#039;\u0131n\u0131 Kullanma Yollar\u0131, Sorunlar ve \u00c7\u00f6z\u00fcmleri<\/h2>\n<p>A\u011f hub&#039;lar\u0131 genellikle k\u00fc\u00e7\u00fck a\u011f ortamlar\u0131nda kullan\u0131l\u0131r. Ancak \u00e7arp\u0131\u015fma alanlar\u0131 olu\u015fturmak gibi s\u0131n\u0131rlamalar\u0131 verimsizli\u011fe neden olabilir.<\/p>\n<h3>Sorunlar ve \u00c7\u00f6z\u00fcmler:<\/h3>\n<ul>\n<li><strong>\u00c7arp\u0131\u015fmalar<\/strong>: \u00c7arp\u0131\u015fmalar\u0131 azaltmak i\u00e7in g\u00f6bek yerine anahtar kullan\u0131n.<\/li>\n<li><strong>G\u00fcvenlik endi\u015feleri<\/strong>: Hub&#039;lar verileri filtrelemedi\u011finden a\u011f g\u00fcvenli\u011fi protokollerini uygulay\u0131n.<\/li>\n<li><strong>S\u0131n\u0131rl\u0131 \u0130\u015flevsellik<\/strong>: Daha geli\u015fmi\u015f \u00f6zellikler i\u00e7in bir anahtara y\u00fckseltin.<\/li>\n<\/ul>\n<h2>Ana \u00d6zellikler ve Benzer Terimlerle Kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>Merkez<\/th>\n<th>Anahtar<\/th>\n<th>Y\u00f6nlendirici<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Katman<\/td>\n<td>Fiziksel<\/td>\n<td>Veri ba\u011flant\u0131s\u0131<\/td>\n<td>A\u011f<\/td>\n<\/tr>\n<tr>\n<td>Se\u00e7icilik<\/td>\n<td>HAYIR<\/td>\n<td>Evet<\/td>\n<td>Evet<\/td>\n<\/tr>\n<tr>\n<td>Maliyet<\/td>\n<td>D\u00fc\u015f\u00fck<\/td>\n<td>Orta<\/td>\n<td>Y\u00fcksek<\/td>\n<\/tr>\n<tr>\n<td>Karma\u015f\u0131kl\u0131k<\/td>\n<td>D\u00fc\u015f\u00fck<\/td>\n<td>Orta<\/td>\n<td>Y\u00fcksek<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>A\u011f Hub&#039;\u0131na \u0130li\u015fkin Gelece\u011fin Perspektifleri ve Teknolojileri<\/h2>\n<p>Anahtarlar ve y\u00f6nlendiriciler gibi daha geli\u015fmi\u015f teknolojiler daha uygun fiyatl\u0131 hale geldik\u00e7e a\u011f hub&#039;lar\u0131n\u0131n kullan\u0131m\u0131 azal\u0131yor. Gelecekteki a\u011f olu\u015fturmada, hub&#039;lar\u0131n a\u015famal\u0131 olarak tamamen ortadan kald\u0131r\u0131l\u0131p daha ak\u0131ll\u0131, daha verimli cihazlara y\u00f6nelmesi g\u00f6r\u00fclebilir.<\/p>\n<h2>Proxy Sunucular\u0131 Nas\u0131l Kullan\u0131labilir veya A\u011f Hub&#039;\u0131yla Nas\u0131l \u0130li\u015fkilendirilebilir?<\/h2>\n<p>Proxy sunucular\u0131, istemciler ve sunucular aras\u0131nda arac\u0131 g\u00f6revi g\u00f6rerek anonimlik ve \u00f6nbelle\u011fe alma gibi \u00e7e\u015fitli avantajlar sa\u011flar. Bir a\u011f hub&#039;\u0131 proxy sunucularla do\u011frudan etkile\u015fime giremese de hub&#039;lar, proxy sunucular\u0131n kullan\u0131ld\u0131\u011f\u0131 bir a\u011f altyap\u0131s\u0131n\u0131n par\u00e7as\u0131 olabilir. Proxy sunucusunun i\u015fleyi\u015fini etkilemeden yaln\u0131zca bir ba\u011flant\u0131 noktas\u0131 g\u00f6revi g\u00f6r\u00fcrler.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ieee.org\/\" target=\"_new\" rel=\"noopener nofollow\">Ethernet i\u00e7in IEEE Standartlar\u0131<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/\" target=\"_new\" rel=\"noopener nofollow\">Cisco&#039;nun A\u011f Hub&#039;lar\u0131 ve Anahtarlar\u0131 K\u0131lavuzu<\/a><\/li>\n<li><a href=\"https:\/\/www.comptia.org\/\" target=\"_new\" rel=\"noopener nofollow\">CompTIA&#039;dan A\u011f Temelleri<\/a><\/li>\n<\/ul>\n<p>Bu makale size g\u00fcvenilir proxy sunucu sa\u011flay\u0131c\u0131n\u0131z OneProxy (oneproxy.pro) taraf\u0131ndan sunulmaktad\u0131r. Web sitemizde a\u011f olu\u015fturma ve proxy sunucular\u0131 hakk\u0131nda daha fazlas\u0131n\u0131 ke\u015ffedin.<\/p>","protected":false},"featured_media":478155,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478154","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Network Hub<\/mark>","faq_items":[{"question":"What is a Network Hub?","answer":"<p>A network hub is a device that connects multiple Ethernet devices together, making them act as a single network segment. It operates at the physical layer of the OSI model, forwarding incoming data packets to all ports without filtering.<\/p>"},{"question":"What is the History of the Network Hub?","answer":"<p>The network hub was developed in the 1980s as an inexpensive alternative to switches, allowing computers in a Local Area Network (LAN) to communicate with each other. It played a crucial role in the early development of computer networks.<\/p>"},{"question":"How Does a Network Hub Work?","answer":"<p>A network hub takes incoming data and broadcasts it to all other connected devices. When a data packet is received at one port, it is replicated and sent to all other ports. There is no intelligence to differentiate between connected devices, so collision and contention are common issues.<\/p>"},{"question":"What are the Key Features of a Network Hub?","answer":"<p>The key features of a network hub include simplicity, low cost, lack of selectivity, and the creation of a collision domain. It's easy to set up, functions without configuration, but sends data to all ports, leading to potential inefficiency.<\/p>"},{"question":"What Types of Network Hub Exist?","answer":"<p>There are two main types of network hubs: Active Hubs, which amplify the signal and usually require external power, and Passive Hubs, which do not amplify the signal and do not require external power.<\/p>"},{"question":"What are the Problems and Solutions Related to the Use of Network Hub?","answer":"<p>Problems associated with network hubs include collisions, security concerns, and limited functionality. Solutions may involve using a switch instead of a hub to reduce collisions, implementing network security protocols, and upgrading to a switch for more advanced features.<\/p>"},{"question":"How Do Network Hubs Compare with Similar Devices?","answer":"<p>Network hubs operate at the physical layer, lack selectivity, and are generally cheaper and less complex than switches and routers. Unlike switches and routers, hubs do not have the ability to selectively send data to specific devices.<\/p>"},{"question":"What are the Future Perspectives Related to Network Hub?","answer":"<p>The use of network hubs is declining as more advanced technologies like switches and routers become more affordable. The future may see the phasing out of hubs entirely in favor of smarter, more efficient devices.<\/p>"},{"question":"How are Proxy Servers Associated with Network Hubs?","answer":"<p>While network hubs can't directly interact with proxy servers, they can be part of a network infrastructure where proxy servers are utilized. Hubs simply act as a connection point without influencing how the proxy server functions.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/478154","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\/478154\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/478155"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=478154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}