https://intro-kodkod-6.nm-ambition.com/en/docs/networking/Recent content in Networks and the Internet on kodkod | Intro CourseHugoenמבואות קודקודhttps://intro-kodkod-6.nm-ambition.com/en/docs/networking/01-networks-internet/Mon, 01 Jan 0001 00:00:00 +0000https://intro-kodkod-6.nm-ambition.com/en/docs/networking/01-networks-internet/<h2 id="in-this-lesson">In this lesson</h2> <p>This lesson is built from a few short chapters, in the same order as the slides:</p> <ol> <li><strong>Chapter 1</strong> — computer networks, LAN, the internet, client and server</li> <li><strong>Chapter 2</strong> — IP address, port, domain and DNS</li> <li><strong>Chapter 3</strong> — request, response and protocols: HTTP, HTTPS, TCP and UDP</li> <li><strong>Chapter 4</strong> — what happens from the moment you type an address until the site is shown</li> </ol> <h2 id="chapter-1-computer-networks-lan-the-internet-client-and-server">Chapter 1: Computer Networks, LAN, the Internet, Client and Server</h2> <h3 id="what-will-we-learn">What will we learn?</h3> <ul> <li>What a <strong>computer network</strong> is.</li> <li><strong>LAN</strong> (local network) versus the <strong>internet</strong>.</li> <li>The <strong>router</strong>, the device that connects networks.</li> <li>The <strong>client-server</strong> model, the basis of every website, app and server we will build in the backend and databases topics.</li> </ul> <h3 id="why-do-we-need-this">Why do we need this?</h3> <p>Every modern app talks to the network: WhatsApp, websites, games, and in the backend and databases topics also the server you will write. Backend developers write exactly the <strong>server</strong> side. Frontend developers write the <strong>client</strong> side. Without understanding this model, you cannot understand what your code does.</p>