Answer by Keith Winstein on Quora, A lot of people ask this question and think in these terms, but here's a different point of view. TCP and UDP are not at the same level of abstraction and they're ...

Have you ever performed surgery on data packets? There are times when that may be the best way to troubleshoot and optimize your network. This edition of the Packet Professor will get you started in ...

The two most common transport layer protocols are the transmission control protocol (TCP) and the user datagram protocol (UDP). One of the main differences between the two protocols is reliability.

The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...

In this tutorial we will discuss the concept of Ports and how they work with IP addresses. If you have not read our article on IP addresses and need a brush up, you can find the article here. If you ...

You've installed a VPN. It's not quite as fast as you'd like. You could switch to another service, but maybe there's a simple speedup trick you can try first. Open ...

The next version of the Hypertext Transfer Protocol (HTTP)—the network protocol that defines how browsers talk to Web servers—is going to make a major break from the versions in use today. Today’s ...

Why it matters: HyperText Transfer Protocol (HTTP) is the system that web browsers use to talk to servers, and it's built using Transmission Control Protocol (TCP). TCP has many features that make it ...