TCP vs UDP. Which to use? | NordVPN

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The speed and the quality of your data transfers depend on which network protocols you use, UDP or TCP. What are TCP and UDP? How does OpenVPN perform with UDP vs TCP protocols? Refresh your knowledge and find out the difference between TCP and UDP.

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Contents:

00:00 Intro
00:09 What are UDP and TCP?
00:15 The difference between UDP vs. TCP
00:50 UDP and TCP on NordVPN

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What are TCP and UDP?
TCP (Transmission Control Protocol) is a network protocol that moves your data over the internet from your device to a web server. You use the TCP protocol whenever you chat to your friends online, send emails, or browse the web.

UDP stands for User Datagram Protocol. Compared to TCP, the UDP protocol is less trustworthy but faster and more straightforward. It’s valuable in situations where higher speeds are crucial, like in streaming or gaming.

How TCP and UDP work

TCP is more reliable than UDP. It transfers your data packets from your device to a web server. UDP is faster and simpler, but it doesn’t guarantee the delivery of your data.

What is the main difference between TCP and UDP?

UDP is faster than TCP, because the user doesn’t have to allow or acknowledge receipt to resent the data. This lets UDP establish connections and transfer data faster. However, this also raises some concerns whether UDP is actually safe. In terms of the UDP vs TCP VPN debate, OpenVPN works best on a UDP port, although it can be configured to run on any port.

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#openvpn #tcp #udp

[DaveDerrick_UK]

Want to hear a UDP joke ? You might not get it, but I don't really care. 😀

[pasanpunchihewa]

I'm using the UDP protocol for speed network access 😄

[pfcaraujo]

First of all, it ain’t your choice which to use. It all depends on the technology your using. Certain applications use UDP, and certain use TCP. VoIP typically uses UDP because it is faster and doesn’t have to create a three-way handshake. HTTP and HTTPS would most likely use TCP, because TCP windowing is a great tool that can calculate how much of a load your connection can take.

[albertwilliams]

which one is more difficult to be detected by some website monitoring system that you're using a vpn?

[treelineractual]

Why does my location show up on a grabify link when my nord is connected elsewhere?

[zackbrooklyn]

If I want to watch hulu outside of United States do I use UDP or TCP?

[favna]

Tfw no interest in nordvpn but still learned something

[janedoe]

why is there no info about NordLynx protocol?(

[DragonFM]

In terms of security, regardless of data rate, are both protocols equally secure, or is there greater security in TCP? I mean, can't they steal your data or hack?

[DuduBrownfunnyboxer]

i just purchased this off of play store, i don't see anyting about open vpn or udp on my android box, can you help?

[nigelhutchinson]

This vid is little more than a NordVPN plug, that is it.

[hirengohil]

poor nord vpn doesn't support all UDP ports, don't use nord vpn

[fcmfreecopyrightmusic]

But can i stream data with NordVpn without internet Data?

[DragonFM]

In terms of security, regardless of data rate, are both protocols equally secure, or is there greater security in TCP? I mean, can't they steal your data or hack?