Network Protocols

Last Updated on 12 April 2011, Total: 48 Articles and Tutorials

This section contains articles that will help you understand how networked computers communicate with each other using a pre-defined set of rules, otherwise known as a protocol.

  1. Understanding the DHCP Protocol (Part 1)

    DHCP is a little thought of protocol by many everyday computer users. Little do they know, though, that it plays a key role in the setup of their computer and how it is able to communicate. We shall explore its features and functionality within the confines of this two part article series... Read More

  2. Understanding the TFTP Protocol

    In real life we all have relatives, some distant, some not so distant. Sometimes in the networking world you have the same parallel. In this article we will look at FTP’s cousin, TFTP, or Trivial File Transfer Protocol. They both share the same properties, while also having some key differences... Read More

  3. Understanding the SNMP Protocol

    With the advent of computer networks has come the logical need to manage them. It is simply not practical to be continually running from workstation to server back to workstation to verify all is well. Well that is where the Simple Network Management Protocol comes into play... Read More

  4. Understanding the DNS Protocol (Part 3)

    Over the past two articles on DNS we have seen just how big the Domain Name Service protocol actually is. It performs more then simple domain name resolution as we have seen, and also is a key player in the delivery of email via the MX resource record. In this last part on DNS we will actually break out various... Read More

  5. Understanding the DNS Protocol (Part 2)

    In part one of the DNS article series we covered what DNS is at a high level. What we shall now do is explore the core of DNS, which are resource records. There are many types of them, and we shall look at some of the ones you will most likely encounter... Read More

  6. Understanding the DNS Protocol (Part 1)

    Can you imagine a world where you would have to memorize each and every IP address for the sites that you liked? The Internet certainly would not be as popular as it is today were this the case. Not to mention our beloved email, and the crucial role that DNS plays with its delivery. Read on, to learn more about... Read More

  7. Understanding the HTTP Protocol (Part 3)

    In part two of this article series we covered all of the HTTP metrics that were sent by the web server. We also expanded a bit more on HTTP, and how the Internet largely communicates using the client/server model. In this last part on HTTP we will further delve into the inner designs of HTTP, and show you a tool... Read More

  8. Understanding the SMTP Protocol

    Who amongst us doesn’t like getting email? We all do of course! It is just like looking in the mailbox every morning after the postman comes by. How does email work though, and just what makes it arrive to our inbox? This will all be explained in this article giving you a far better understanding of how email works... Read More

  9. Understanding the HTTP Protocol (Part 2)

    In part one of this article series, we covered the HTTP traffic metrics that come from a web browser client. This second part will cover what the web server itself will send, and expand a little more on HTTP itself... Read More

  10. Understanding the HTTP Protocol (Part 1)

    The Internet is composed of all kinds of packets containing various types of traffic. One of the most used application layer protocols is HTTP. We will take a look at what really happens during an HTTP transaction, and thereby gain a deeper understanding of what this protocol is about... Read More

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