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Logging, tracing and metrics are 3 pillars of system observability. The diagram below shows their definitions and typical architectures. πΉ Logging Logging records discrete event...
CAP theorem: one of the most misunderstood terms The CAP theorem is one of the most famous terms in computer science, but I bet different developers have different understandings....
Top 4 Forms of Authentication Mechanisms 1. SSH Keys: Cryptographic keys are used to access remote systems and servers securely 2. OAuth Tokens: Tokens that provide limited acces...
What tech stack is commonly used for microservices? Below you will find a diagram showing the microservice tech stack, both for the development phase and for production. βΆοΈ ππ«π-π...
Session, cookie, JWT, token, SSO, and OAuth 2.0 - what are they? These terms are all related to user identity management. When you log into a website, you declare who you are (ide...
Linux file system explained. The Linux file system used to resemble an unorganized town where individuals constructed their houses wherever they pleased. However, in 1994, the Fil...
Forward Proxy vs. Reverse Proxy The diagram below shows the differences between a forward proxy and a reverse proxy. Forward proxy A forward proxy is a server that sits between u...
Session, cookie, JWT, token, SSO, and OAuth 2.0 - what are they? These terms are all related to user identity management. When you log into a website, you declare who you are (ide...
How do PayPal, Visa, banks and open banking interact with each other? The diagram below shows how the payment ecosystem works from a birdβs eye. From bottom to top: πΉ A bank or...
What is GraphQL? Is it a replacement for the REST API? The diagram below shows the quick comparison between REST and GraphQL. πΉGraphQL is a query language for APIs developed by M...
2/2 Links to the 4 part series: https://t.co/wKu4CrAic1 https://t.co/JC1AfyvMNz https://t.co/RGnnqRcS1V https://t.co/OJUNV268a4 https://t.co/WApE4lfpBF
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