Let’s understand each of these protocols separately. However, since most connections rely on either TCP or UDP, we’ll focus on these two. Another protocol that can be used is ICMP (Internet Control Message Protocol). While TCP and UDP are the most commonly used protocols, they aren’t the only ones used to transfer data packets. However, since TCP/IP and UDP/IP are used very often, they are referred to as just TCP and UDP. This is why you might hear terms such as TCP/IP or UDP/IP. (An IP address is a special address that is assigned to each device connected to the internet.)īoth TCP and UDP work on top of the IP (Internet Protocol). They are also used to send the packets to the IP address of the recipient. This data is transferred in the form of tiny packets.īoth TCP and UDP forward the data packets from your device using ports to different routers until they reach the final destination. When you chat with your friend online, send an email, or send a page request through your browser, you send online data. These data packets are just bits of data that travel over the internet. TCP and UDP are network protocols that are used to send data packets. Let’s understand what TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are and when they can be used.
But what about TCP and UDP? What are these terms and what do they mean? You might know that OpenVPN is the most secure VPN protocol. If you’ve ever gone into technical mumbo-jumbo while using a VPN, you might have seen terms such as OpenVPN over TCP or OpenVPN over UDP. The rankings we publish may take into consideration the affiliate commissions we earn for purchases through links on our website.
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