QUIC

End-to-End Encryption: A Privacy Victory or a Networking Blind Spot?

The CellStream Blog / By

Post Views: 189 TLS 1.3, QUIC, HTTP/3, encrypted DNS, and Encrypted Client Hello increasingly conceal application and transport information that network operators traditionally used for troubleshooting, security inspection, filtering, performance optimization, and policy enforcement. Here is a little reference chart: This produces two defensible but conflicting positions: For most of the Internet’s history, and certainly […]

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Mapping ABR to TCP Congestion Control and QUIC

The CellStream Blog / By

Post Views: 951 I described what Adaptive Bit Rate Streaming (ABR) is in my prior article, if you need that background. Also there is an ABR Lab Exercise if you want some hands on learning with ABR that will show you visually some of the items discussed below. Here, I wanted to dive a little

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MPLS – The Most Secure without Encryption

The CellStream Blog / By

Post Views: 2,526 Let’s just start right out and say: contrary to the scare tactics made by some, that MPLS traffic has been exposed by the providers that operate MPLS, there has never been any validated evidence that such a breach has indeed ever occurred, other than some alleged errors in configuration. MPLS operates between

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An update on QUIC Adoption and traffic levels

Frequently Asked Questions / By

Post Views: 15,082 Back in 2018 (I think) I was becoming increasingly aware of the QUIC protocol in my and other’s packet captures and I immediately dug in and wrote about it. As of recent data (now Feb 2025), QUIC (Quick UDP Internet Connections) is experiencing significant adoption across the internet. Websites have implemented QUIC,

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CSI-TB-007 – QUIC Redefines the Transport Layer – A Technical Overview/Briefing

Technology Overviews/Briefings / By

Post Views: 11,902 1 Day Instructor Led Technology Overview/Briefing Available in either Web Based Delivery or On-Site DeliveryWeb Based Delivery: Max class size is 50On Site Delivery: Max class size is 30 Course Description: Google introduced one of the most significant changes to the Layered Model of telecommunications when it introduced QUIC (see our articles

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CSI-HO-020-M – Wireshark QUIC Analysis in a Day – 1 Day

Wireshark Courses / By

Post Views: 14,095 CellStream, Inc. – Telecom Consulting and Training! 1-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 8 students – Maximum 16 students What Students are saying about this class:wireshark “[The instructor] explains things in a way that any of us can understand.” “Seeing scenarios

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How To Observe if the Web Site you are Browsing Uses QUIC

Networking and Computing Tips and Tricks / By

Post Views: 2,224 We started to notice QUIC back in 2017.  For an overview of QUIC you can see my article here: https://www.cellstream.com/2018/03/07/is-there-a-lot-of-quic-in-your-packet-captures/ How do you know if a given web site uses QUIC/gQUIC?  It is a great question, and can be easily answered if you are using Google Chrome (which, by now you should

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Is there a lot of QUIC in your Packet Captures?

Networking and Computing Tips and Tricks / By

Post Views: 2,084 Have you noticed a lot of QUIC protocol in your packet captures?  I certainly have, and we had better talk about what this is.  What is QUIC (now more recently called gQUIC)? QUIC is a new protocol created by the fine folks at Google.  It stands for Google Quick UDP Internet Connections. 

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