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More details about the October 4 outage
Now that our platforms are up and running as usual after yesterday’s outage, I thought it would be worth sharing a little more detail on what happened and why — and most importantly, how we’re lear…
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Visit engineering.fb.com → RSS feedOn Hacker News Oct 2019 – Apr 2026
Software Engineering 19Infrastructure & DevOps 16Tools & Productivity 12Networking & Internet 12Systems & Performance 10Web & Frontend 8
2
The majority of Facebook's traffic now uses QUIC and HTTP/3
We are replacing the de facto protocol the internet has used for decades with QUIC, the latest and most radical step we’ve taken to optimize our network protocols to create a better experience for …
3
Building end-to-end security for Messenger
We are beginning to upgrade people’s personal conversations on Messenger to use end-to-end encryption (E2EE) by default. Meta is publishing two technical white papers on end-to-end encryption: Our …
4
Update about the October 4th outage
To all the people and businesses around the world who depend on us, we are sorry for the inconvenience caused by today’s outage across our platforms. We’ve been working as hard as we can to restore…
5
How Precision Time Protocol is being deployed at Meta
Implementing Precision Time Protocol (PTP) at Meta allows us to synchronize the systems that drive our products and services down to nanosecond precision. PTP’s predecessor, Network Time Protocol (…
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Simple Precision Time Protocol at Meta
While deploying Precision Time Protocol (PTP) at Meta, we’ve developed a simplified version of the protocol (Simple Precision Time Protocol – SPTP), that can offer the same level of clock syn…
7
Deploying key transparency at WhatsApp
WhatsApp has launched a new cryptographic security feature to automatically verify a secured connection based on key transparency. The feature requires no additional actions or steps from users an…
8
Running BGP in large-scale data centers
What the research is: A first-of-its-kind study that details the scalable design, software implementation, and operations of Facebook’s data center routing design, based on Border Gateway Protocol …
9
Building a subsea cable to better connect Africa
Connectivity is at the heart of our mission to give people the power to build community. We are committed to bringing more people online to a faster internet — and with 3.5 billion people globally …
10
How WhatsApp enables multi-device capability
For years, people have been asking us to create a true multi-device experience that allows people to use WhatsApp on other devices without requiring a smartphone connection. Today, we’re announcing…
11
Making aerial fiber deployment faster and more efficient
Globally, more than 3.5 billion people are still not connected to the internet. With average data usage per person growing 20 to 30 percent annually, legacy bandwidth-limited technologies have been…
12
Facebook reveals 'SuperCell' tower to increase connectivity in rural areas
As part of our efforts to help expand connectivity around the world, Facebook Connectivity has been prototyping SuperCell, a wide-area coverage solution for increasing mobile connectivity in rural …