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Networking & Internet

The most popular blog posts about networking & internet on Hacker News. 119 posts.

2021
68

Migrating Millions of Concurrent WebSockets to Envoy

Slack has a global customer base, with millions of simultaneously connected users at peak times. Most of the communication between users involves sending lots of tiny messages to each other. For much of Slack’s history, we’ve used HAProxy as a load balancer for all incoming traffic. Today, we’ll talk about problems we…

80

IPv6-only subnets and EC2 instances

In June 2021, we announced our continued commitment and innovation towards the enablement of IPv6 on AWS. Today, we take a monumental step forward with the ability to create an IPv6-only architecture on AWS. With this launch, Amazon Virtual Private Cloud (VPC) now allows you to create IPv6-only subnets in your…

81

HAProxy 2.4

HAProxy 2.4 adds features such as support for HTTP/2 WebSockets, authorization and routing of MQTT and FIX protocol messages, DNS resolution over TCP, and more.

85

QUIC at Snapchat

At Snapchat, our goal is to make our Camera the fastest way to share a moment. We do not want Snapchatters to face any delays when they are in the moment and want to share with their real friends.

87

Did AS8003 just disappear?

There has been a new development in The Mystery of AS8003. As you may recall, this was the AS number registered to a defunct company in Florida that appeared earlier this year in the global routing table announcing over 175 million IPv4 addresses belonging to the US Department of Defense. Well, that just changed.

88

Uganda's internet Shutdown

Two days ago, through its communications regulator, Uganda's government ordered the "Suspension Of The Operation Of Internet Gateways" hours before the country's general election. This action was confirmed by several users and journalists who got access to the letter sent to Internet providers.