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Life / Networking

Save money while keeping latency low

12 February 20236 May 2024 - by Rich Brown - Leave a Comment

I often hear people saying they have bad responsiveness / high latency on their high-speed internet connection. Even though they have a contract for 500 mbps+ service from their ISP, …

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Networking / Software

Using Apple’s RPM tool

7 November 20216 May 2024 - by Rich Brown - Leave a Comment

macOS Monterey ships with a tool that measures the responsiveness of your network connection. It saturates the network with traffic for 20 seconds, then measures the rate of short transactions …

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Networking / Software

NameD•Tective — mDNS over AppleTalk

2 November 20216 May 2024 - by Rich Brown - Leave a Comment

[From the Archives of Amusing Technology…] Back in the ’90s, Dave Fisher and I created NameD•tective, a Macintosh control panel that gave any Mac on the Dartmouth network a static …

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Networking / Software

Comcast modems decrease bufferbloat

21 September 20216 May 2024 - by Rich Brown - Leave a Comment

Last month, Comcast released a paper Improving Latency with Active Queue Management (AQM) During COVID-19 that shows that their PIE AQM dramatically decreases lag/latency (by a factor of 10X — …

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Networking

Toward a Consumer Responsiveness Metric

7 September 202116 September 2021 - by Rich Brown - Leave a Comment

At a recent videoconference, I advocated strongly for a consumer-facing measurement of latency/responsiveness. I had not planned to speak, so I gave off-the-cuff comments. This is an organized explanation of …

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Networking

Internet Draft: Responsiveness under Working Conditions

7 September 20218 November 2021 - by Rich Brown - Leave a Comment

The link below goes to the current Internet Draft for Responsiveness under Working Conditions. It is available at: https://datatracker.ietf.org/doc/draft-cpaasch-ippm-responsiveness/

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Networking

Best Bufferbloat Analogy – Ever

12 March 202119 June 2024 - by Rich Brown - 4 Comments.

My friends frequently ask, “Why is my network so slow?” And often, the answer is “latency” or the screwy term, “Bufferbloat” – the “undesirable latency caused when a router buffers …

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Networking / Software

WireGuard Vanity Keys

18 July 20208 June 2022 - by Rich Brown - 2 Comments.

A WireGuard VPN provides a fast, secure tunnel between endpoints. It uses public/private key pairs to encrypt the data. If you have several clients, you have to enter their public …

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Networking

WireGuard GUI on macOS

12 July 202030 July 2020 - by Rich Brown - 3 Comments.

A WireGuard VPN provides a fast, secure tunnel between endpoints. A macOS GUI client is available from the App Store It works great. But its documentation is minimal. Even though …

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Networking

Coffee Shop Bloat Test

12 September 2019 - by Rich Brown - Leave a Comment

We all have heard the perennial complaint, “the network is sooo slow.” A primary reason is the inelegantly-named bufferbloat – caused by a bad router that queues up too much …

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