The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...

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 ...

This excerpt is from CCIE Voice Exam Quick Reference Sheets (Digital Short Cut), by Mark Lewis and published by Cisco Press. ISBN-10: 1-58705-333-0 Read Mark Lewis’ blog for Cisco Subnet here. More ...

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 ...

Most people who have written networking software are familiar with the TCP and UDP protocols. These are used to connect distributed applications and allow messages to flow between them. These ...

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 ...