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Threads has entered the fediverse

Engineering at Meta

Building a federated platform – Meta’s first app for open social networking – has meant new engineering challenges and opportunities. You can send an email from a Gmail account to a Yahoo account, for example, because those services support the same protocols. What is the fediverse? What is ActivityPub?

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Making messaging interoperability with third parties safe for users in Europe

Engineering at Meta

Implementing an end-to-end encrypted protocol First, we need to protect the underlying security that keeps communication on Meta E2EE messaging apps secure: the encryption protocol. WhatsApp and Messenger both use the tried and tested Signal protocol as a foundational piece for their encryption.

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Behind the scenes with Stream Live, Cloudflare’s live streaming service

CloudFaire

So lets talk about Stream Lives design, and how it leverages the distributed nature of Cloudflares network, rather than centralized locations as many other live services do. Each of these protocols is a way to transmit audio and video frames with various tradeoffs.

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Facebook’s historic outage, explained

Kentik

Yesterday the world’s largest social media platform suffered a global outage of all of its services for nearly six hours. The result was that users worldwide were unable to resolve any domain belonging to Facebook, effectively rendering all of the social media giant’s various services completely unusable. So what happened?

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Threads: The inside story of Meta’s newest social app

Engineering at Meta

We are working toward making Threads compatible with the open, interoperable social networks that we believe can shape the future of the internet – where peoples’ content exists in the fediverse and is platform-agnostic. That’s because email is interoperable and these two companies both conform to the SMTP protocol for delivering emails.

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How to find applications with NetFlow

Kentik

Back in the 1990s, NetFlow was introduced on Cisco routers as a means to collect information about IP network traffic as it enters or exits an interface. Since then, network flows have been one of the best ways to gain insight into traffic. You can also learn about the protocols in use, the ports being used, the top interfaces, etc.

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Resilience and Redundancy in Networking

Kentik

Core Concepts Resilience in networking is the ability of a network to withstand and quickly recover from failures or changes in its environment. This includes the ability to: Dynamically adjust to changes in network topology Detect and respond to outages Route around faults in order to maintain connectivity and service levels.

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