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TCP BBR congestion control comes to GCP
Google Cloud Platform (GCP) now features a cutting-edge new congestion control algorithm, TCP BBR, which achieves higher bandwidths and lower latencies for internet traffic.
Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 172 posts.
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TLS 1.2 Session Tickets
Session Tickets, specified in RFC 5077 , are a technique to resume TLS sessions by storing key material encrypted on the clients. In TLS 1.2 they speed up the handshake from two to one round-trips.
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Signal intelligence 101: SIGINT targets
A quick overview of the various types of signal intelligence targets, with an emphasis on the Soviet Cold War systems
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Peer-to-peer social networking with Rotonde and Beaker
A short introduction to p2p social networking with Rotonde & Beaker Browser.
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Net Neutrality will die, so let’s take the profit out of killing it
Fighting the FCC is futile at this point, but Bob has a way to (in a way) save Net Neutrality
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LoRaWAN packet received at record distance of 702 km
With the rise of novel wireless technologies, we surprise ourselves over and over again of what these technologies are capable of. LoRa has been around now for
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How Cloudflare analyzes 1M DNS queries per second
On Friday, we announced DNS analytics for all Cloudflare customers. Because of our scale –– by the time you’ve finished reading this, Cloudflare DNS will have handled millions of DNS queries –– we had to be creative in our implementation.
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Cisco's Talos team analysis of WannaCry worm
By Martin Lee, Warren Mercer, Paul Rascagneres, and Craig Williams. Executive Summary A major ransomware attack has affected many organizations across the world reportedly including Telefonica in Spain, the National Health Service in the UK, and FedEx in the US. The malware responsible for this attack is a ransomware…
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COAP endpoints on IKEA Trådfri
Hi, great work, I was just about to get down to trying to work this out. I’d got as far noticing it was CoAP and DTLS but no further yet ( https://gist.github.com/hardillb/4ce9fc493b792806e39f7fae4b7c28a7 ). CoAP is new to me so finding out it’s somewhat self describing is really useful.
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Envoy: 7 months later
On September 14, 2016 we announced Envoy, our L7 proxy and communication bus. In a nutshell, Envoy is a “service mesh” substrate that…
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Net Neutrality Alive and Well in Canada
The CRTC today released the final chapter (for now) in its net neutrality governance framework, creating policy that establishes strong safeguards against net neutrality violations and severely restricts the ability for providers to engage in zero rating practices. When combined with the federal government's clear…
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Avery’s laws of Wi-Fi reliability
Hello everyone! After many years of using a massively hacked-up version of dcoombs's NITLog page generator to host these pages, I've become,...
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A Call to Arms: Supporting Matrix
Matrix, the open protocol for secure decentralised communications
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Formal verification of the WireGuard protocol
WireGuard has undergone all sorts of formal verification, covering aspects of the cryptography, protocol, and implementation. Below details the various efforts.
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OpenSSH Keys: A Walkthrough
Photography and long-form writing on my life, technology, photography, philosophy, books, and whatever else strikes my fancy.
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Long-range communication with devices that consume almost no power
UW researchers have demonstrated for the first time that devices that run on almost zero power can transmit data across distances of up to 2.8 kilometers — brea
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Linux Bridge – How it works
developer. curious. learner
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Top Sites to Receive SMS Online Without a Phone
Many websites these days ask you to provide some form of verification when you want to sign up to a service. This includes most things like shopping sites, email accounts, discussion forums, gaming services, blogs, social media and etc. Basic forms of verification are just supplying an email address or perhaps solving…
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Same day ACH: moving payments faster in the USA
New capabilities of Same Day ACH become effective over phases to allow financial institutions and businesses to acclimate to a faster processing environment, as well as to ease the implementation effort. Beginning September 15, 2017, Same Day ACH is available for debit entries, enabling the same-day processing of…