BGP (Border Gateway Protocol)

BGP (Border Gateway Protocol) is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems (ASes) on the internet. It is a crucial protocol for ensuring that data packets can find their way across the complex web of interconnected networks that make up the global internet. Here’s a brief overview of…

Configuring AWS Virtual Private Clouds: VPCs, Subnets, and Peering Connections

Assuming we have two Virtual Private Clouds (VPCs) designated as follows: Green VPC – greenvpc01 Red VPC – redvpc01 We will now provide the IP CIDR allocations for the aforementioned VPCs.     VPC Name IPv4 CIDR Subnet Name Subnet CIDR Routes Name Internet Gateway Peering redvpc01 192.168.0.0/24 redvpc-subnet01 192.168.1.0/24 redvpc-route01 redvpc-igw01   greenvpc01 10.5.0.0/16 greenvpc-subnet01…

Kubernetes Cluster Setup Guide

To setup a Kubernetes cluster, here are some essential notes to consider: Prerequisites: Ensure you have a compatible operating system (Linux is preferred). Install necessary tools such as kubectl, kubeadm, and kubelet. Verify that your system meets the minimum hardware requirements. Cluster Architecture: Understand the components of a Kubernetes cluster, including the Master Node and…

Symmetric vs Asymmetric

Symmetric and Asymmetric refer to two different types of encryption algorithms used to secure data. Both are fundamental in cryptography, but they differ in how they handle encryption and decryption. 1. Symmetric Encryption: Key usage: The same key is used for both encryption and decryption. Speed: Typically faster than asymmetric encryption because it involves simpler…