[Bloat] Apple WWDC Talks on Latency/Bufferbloat

[Nathan Owens]

Some relevant talks / publicity at WWDC -- the first mentioning CoDel,
queueing, etc. Featuring Stuart Cheshire. iOS 15 adds a developer test for
loaded latency, reported in "RPM" or round-trips per minute.

I ran it on my machine:
nowens at mac1015 ~ % /usr/bin/networkQuality
==== SUMMARY ====
Upload capacity: 90.867 Mbps
Download capacity: 93.616 Mbps
Upload flows: 16
Download flows: 20
Responsiveness: Medium (840 RPM)

Reduce network delays for your app
https://developer.apple.com/videos/play/wwdc2021/10239/
CPU performance and network throughput rates keep improving, but the speed
of light is one limit that isn't going any higher. Learn the APIs and best
practices to maximize your app's responsiveness and efficiency by keeping
network round-trip times low and minimizing the number of round trips when
performing network operations.

Optimize for 5G networks
https://developer.apple.com/videos/play/wwdc2021/10103/
5G enables new opportunities for your app or game through better
performance for data transfer, higher bandwidth, lower latency, and much
more. Discover how you can take advantage of the latest networking
technology and Apple hardware to create adaptive experiences for your
content that best suit someone's data connection and optimize network
traffic.

Accelerate networking with HTTP/3 and QUIC
https://developer.apple.com/videos/play/wwdc2021/10094/
The web is changing, and the next major version of HTTP is here. Learn how
HTTP/3 reduces latency and improves reliability for your app and discover
how its underlying transport, QUIC, unlocks new innovations in your own
custom protocols using new transport functionality and multi-streaming
connection groups
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