Imagine a busy highway. Every car leaving your house needs to exit, come to a complete stop, and then re-enter the highway to visit each store. This would be incredibly inefficient, right? HTTP requests work similarly by default, creating a new connection for each request. This can overwhelm your server on a large scale because
In our previous interview-related question we talked about VPC design, logging system design, monitoring system design, page fault, etc. In this article, we are going to talk about how to calculate how many usage IPs are there in a /24 CIDR. What is a CIDR? CIDR stands for classless inter-domain routing. This is a set
In this article, we are going to talk about a very well known method to keep things under control. This method is used in TCP when you see there are congestion and many other places. This method is called AIMD which stands for Additive Increase Multiplicative Decrease. Let’s see what it is and how it
In this article, we will talk about how traceroute works using ICMP. ICMP stands for Internet Control Message Protocol. This is used in the network layer just above the IP because ICMP messages are also encapsulated in IP packets. Now let’s have a look at how traceroute works using ICMP. When you type traceroute destination