The Backend Engineering Show with Hussein Nasser

In this Livestream we discuss the following topic  Facebook moving to QUIC https://engineering.fb.com/2020/10/21/networking-traffic/how-facebook-is-bringing-quic-to-billions/ Multiplexed Application Substrate over QUIC Encryption (masque) https://datatracker.ietf.org/wg/masque/about/ KIP500, Kafka removing ZooKeeper https://www.confluent.io/blog/how-to-prepare-for-kip-500-kafka-zookeeper-remo...

HTTP CONNECT Method allows the client to create a tunnel through a proxy to forward any free-form content through it. Let us discuss why do the pros and cons of this 0:00 Intro 1:45 HTTP Proxy 5:50 HTTPS Proxy 9:40 HTTP CONNECT 14:15 HTTP CONNECT Chaining 16:10 Pros & Cons of CONNECT 23:20 MASQUE Resources https://tools.ietf.org/html/rfc7231#section-4.3.6 Multiplexed Application Substrate over...

HTTP/2 Push is being removed since it is very difficult to implement and has no added value. Let us discuss  Resource https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/vOWBKZGoAQAJ Video https://www.youtube.com/watch?v=uAfNRJJ_BrA

An article from 2016 which caused lots of discussions in the software engineering community. We bring it back and open old wounds and discuss it again.  0:00 Intro 3:00 Problems with Architecture of Postgres 4:00 Postgres on-Disk Format 9:45 Replication 13:19 Write Amplification 16:44 Replication Bandwidth 21:16 Data Corruption 24:00 Replica MVCC 31:30 Postgres Upgrades 33:00 MySQL on-Disk Fo...

WebRTC  ( Web Real-Time Communication ) is a free,  open-source  project that provides  web browsers  and  mobile applications  with  real-time  communication (RTC) via simple  application programming interfaces  (APIs). In this video I go through webrt and discuss all the concepts of WebRTC in details. We will learn about NAT, STUN, TURN, ICE...

Live Q&A discussion of different backend engineering topics

Facebook move to QUIC from TCP was not smooth but they did see some improvement in all their apps. Let us discuss this Article https://engineering.fb.com/networking-traffic/how-facebook-is-bringing-quic-to-billions/ 0:00 Intro 3:00 What is QUIC? 10:45 Facebook Backend 14:30 FaceBook Frontend 15:20 GraphQL 17:00 The Trouble with QUIC 23:00 Static & Video Content 25:15 Instagram App 26:00 QUIC F...

SonaType detected a Malware in NPM registry imitating to be Twilio package that opens a reverse connection to a remote server and allows attacker to access your local machine content. Let us discuss Since this command is unix specific it won’t work on Windows https://blog.sonatype.com/twilio-npm-is-brandjacking-malware-in-disguise Resources SSH Tunneling https://youtu.be/N8f5zv9UUMI Ngrok https://...

According to ZDNET "Chrome will soon have its own dedicated certificate root store" Let us discuss what that might mean to privacy   https://www.zdnet.com/article/chrome-will-soon-have-its-own-dedicated-certificate-root-store/

Ever heard of HTTP Smuggling? will this is smuggling a TCP packet into an HTTP body so that it can be interpreted by the router to open internal ports to your machine. NAT Slipstreaming was discovered by Samy Kamkar,  Article and research by @SamyKamkar  https://samy.pl/slipstream/

Let us have a casual chat about TLS, Security, Certificates and more

In this live stream I discuss all about Database ACID one by one and we also answer interesting questions!  Enjoy!  Watch stream here https://www.youtube.com/watch?v=QCKZ3VZ87Qo&feature=youtu.be

My Thoughts on Full Stack Engineering

In this video I discuss the new Uber Backend Architecture that they deployed to process payments and jobs and orders. https://youtu.be/mL0fzj7e6WU Revolutionizing Money Movements at Scale with Strong Data Consistency https://eng.uber.com/money-scale-strong-data/

In this video, I explain the differences between Column vs Row Oriented Database Storage how efficient each method is, and their pros & cons 0:00 Intro 2:50 Row-Oriented Database 15:30 Column-Oriented Database 26:30 Pros & Cons

In this video I explain how Network Engineers can move to be a Backend Engineer by capitalizing on their skills in networking. Network Engineers can build great and improve the communication protocols that Backend Engineers use for service to service communication. Network Engineers can also be specialized in Proxies, Reverse Proxies, Load Balancers and Caching Layers.

Software Engineering is overwhelming and hard, I discuss how to ease up that burden and make it fun here. 0:00 Intro 2:20 Learning Software Engineering 17:55 Bugs 23:30 Design Activities 28:50 Summary 🎙️Listen to the Backend Engineering Podcast https://husseinnasser.com/podcast 🏭 Backend Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQUNnO4p00ua_C5mKTfldiYT 💾 Database Engine...

In this live stream we will keep the theme about WebSockets, scaling, layer 7 proxying vs layer 4 proxying in websockets ,  interesting problems and just chatting!       0:00 Intro 13:00 Stream Starts 21:30 WebSockets 1:08:00 Securing WebSockets 1:13:00 Scaling WebSockets Watch on YouTube https://www.youtube.com/watch?v=brKJFkLQWYo&feature=youtu.be

In this video, I will go through Database Partitioning and explain it in details, pros and cons with a demo using PostgreSQL.

In this video, I explain how both Postgres and MySQL store their indexes and their effect on reads vs writes. Let us discuss 0:00 Intro 1:00 Tables 2:00 Indexes 3:20 Indexing in Postgres 5:00 Indexing in MySQL 6:35 What Happens on Update on Postgres 7:20 What Happens on Update on MySQL 9:00 Reads on Postgres 9:40 Reads on MySQL

In this Video I discuss Discord WebRTC and Voice chat backend architecture, it is a very interesting article, let us discuss it  https://blog.discord.com/how-discord-handles-two-and-half-million-concurrent-voice-users-using-webrtc-ce01c3187429 0:00 Intro 3:30 WebRTC As a Choice? 8:00 ReWriting WebRTC 11:20 Backend Architecture 20:00 Failover 26:00 My Thoughts

PostgreSQL 13 Has Some Performance Boosts! Let us discuss it! Postgres 13 has been released and it has some interesting features how about we discuss it! Resources Press-release https://www.postgresql.org/about/featurematrix/detail/341/ Feature Matrix https://www.postgresql.org/about/featurematrix/ “The PostgreSQL Global Development Group today announced the release of  PostgreSQL 13 , the la...

In this Live stream, I discuss HTTP and answer interesting questions about HTTP, TLS, UDP, QUIC, WebSockets and more from the community  watch the vod here https://www.youtube.com/watch?v=J6G8DdLgdJ4

In this Article Stanislav Vishnevskiy elegantly discusses why Discord moved from MongoDB to Apache Cassandra, the challenges they faced, limitations of both Mongo & Cassandra. Well written article let us discuss   https://blog.discord.com/how-discord-stores-billions-of-messages-7fa6ec7ee4c7

I stumbled upon this interesting article titled Scaling with common sense, the author goes into different topics of the bad practices of pre-mature scaling and optimization specifically with regards to microservices and k8. Let us discuss Resources https://zerodha.tech/blog/scaling-with-common-sense/ 0:00 Intro 3:00 Comparisons are almost always meaningless. 5:30 Scaling starts with well built sof...