{"id":33406,"date":"2019-09-25T13:42:32","date_gmt":"2019-09-25T10:12:32","guid":{"rendered":"https:\/\/airoserver.com\/?p=1437"},"modified":"2022-04-04T09:29:48","modified_gmt":"2022-04-04T04:59:48","slug":"what-are-tcp-and-udp","status":"publish","type":"post","link":"https:\/\/airoserver.com\/de\/engagiert\/was-sind-tcp-und-udp\/","title":{"rendered":"Was sind TCP und UDP?"},"content":{"rendered":"<p>TCP (Transmission Control Protocol) und UDP (User Datagram Protocol) sind zwei wichtige <a href=\"https:\/\/en.wikipedia.org\/wiki\/Protocol\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Protokolle (\u00f6ffnet in einer neuen Registerkarte)\">Protokolle<\/a> des Internets. Im OSI-Modell befinden sich beide in der Transportschicht. Um Ihnen die Unterschiede zwischen diesen beiden Protokollen zu erkl\u00e4ren, m\u00fcssen wir zuerst TCP erkl\u00e4ren.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-image\">\r\n<figure class=\"aligncenter\"><img decoding=\"async\" class=\"wp-image-1439\" src=\"https:\/\/airoserver.com\/wp-content\/uploads\/2019\/09\/1_17Zz6v0HWIzgiOzQYmO6lA.jpg\" alt=\"OSI-Modell\" \/><\/figure>\r\n<\/div>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\"><strong>Was macht TCP?<\/strong><\/h4>\r\n\r\n\r\n\r\n<p>Dieses Protokoll definiert, wie Anwendungsprogramme eine Netzwerkkonversation aufbauen und aufrechterhalten k\u00f6nnen. Anwendungsprogramme tauschen \u00fcber diese Netzwerkkonversation Daten aus, d.h. wenn Anwendungsprogramme sich gegenseitig Daten senden wollen, erledigt dieses Protokoll alles, was f\u00fcr diesen Datenaustausch notwendig ist.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\"><strong>Wie funktioniert das?<\/strong><\/h4>\r\n\r\n\r\n\r\n<p>TCP arbeitet mit <a href=\"https:\/\/airoserver.com\/de\/blog\/what-is-ip\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (\u00f6ffnet in einer neuen Registerkarte)\">IP <\/a>(Internet-Protokoll). Es definiert, wie Computer Pakete aneinander senden, d.h. wenn ein Anwendungsprogramm (<a href=\"https:\/\/airoserver.com\/de\/engagiert\/webserver\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (\u00f6ffnet in einer neuen Registerkarte)\">Webserver<\/a>) Daten senden will, bittet er die TCP-Schicht, dies zu tun. Der TCP-Stack teilt die Datei in Pakete auf, nummeriert sie und leitet sie dann zur \u00dcbermittlung an die IP-Schicht weiter.<\/p>\r\n\r\n\r\n\r\n<p>Dieses Protokoll ist ein verbindungsorientiertes Protokoll. Das bedeutet, dass die Verbindung so lange aufrechterhalten wird, bis die Anwendungsprogramme auf beiden Seiten den Austausch von Nachrichten beendet haben.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\"><strong>Merkmale:<\/strong><\/h4>\r\n\r\n\r\n\r\n<p>W\u00e4hrend der \u00dcbertragung kann es zu Problemen kommen. (Einige Pakete k\u00f6nnen verloren gehen, dupliziert werden oder nicht in der richtigen Reihenfolge zugestellt werden) TCP ist in der Lage, diese Probleme zu erkennen und zu beheben. Zum Beispiel: Wenn ein Paket verloren gegangen ist, fordert es eine erneute \u00dcbertragung der verlorenen Daten an.<\/p>\r\n\r\n\r\n\r\n<p>TCP kann dazu beitragen, die \u00dcberlastung des Netzes zu minimieren, um das Auftreten der genannten Probleme zu verhindern und zu verringern. Wenn die Daten nicht zugestellt werden konnten, wird der Absender dar\u00fcber informiert.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\"><strong>Unterschiede zwischen UDP und TCP: <\/strong><\/h4>\r\n\r\n\r\n\r\n<ol class=\"wp-block-list\">\r\n<li>UDP ist ein verbindungsloses System. Das bedeutet, dass UDP Probleme wie verlorene Pakete nicht finden oder reduzieren kann. Dieses Protokoll sendet die Pakete einfach der Reihe nach und pr\u00fcft nicht, ob sie zugestellt wurden oder nicht.<\/li>\r\n<li>Aufgrund des oben erw\u00e4hnten Unterschieds kann UDP schneller sein. Denn es wartet nicht, um sicherzustellen, dass ein Paket zugestellt wurde und behebt m\u00f6gliche Probleme.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n<p>Letztendlich k\u00f6nnen wir Ihnen nicht sagen, welches Protokoll besser ist. Wir k\u00f6nnen nur sagen, dass Sie UDP verwenden sollten, wenn Sie Daten senden, bei denen nur die Geschwindigkeit eine Rolle spielt, aber wenn Ihnen die Zustellung aller Pakete wichtig ist, sollten Sie TCP verwenden.<\/p>\r\n\r\n\r\n\r\n<p>Ich hoffe, dieser Artikel war n\u00fctzlich f\u00fcr Sie!<\/p>","protected":false},"excerpt":{"rendered":"<p>TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are two important protocols of the Internet. In OSI model Both of these are in Transport layer. This means that these protocols are for transfering data.In order to tell you the differeces between these two protocols, we have to explain about TCP first. What does TCP [&hellip;]<\/p>","protected":false},"author":5,"featured_media":33981,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[179,176,182,178],"tags":[85,184],"class_list":["post-33406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-airoserver","category-dedicated","category-shared-hosting","category-airo-vps","tag-airoserver","tag-network"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are TCP and UDP? - Airoserver | Cloud Hosting Solutions<\/title>\n<meta name=\"description\" content=\"TCP and UDP are two important protocols of the Internet. In OSI model Both of these are in Transport layer. 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