Technical Summary
This draft defines a TLS extension to compress certificate chains to reduce the amount of data transmitted and avoid some round trips. The compression algorithms defined, zlib, brotli, and zstd, are all documented in RFCs.
Working Group Summary
The WG process was unremarkable; the document has been around and stable
for a couple years, and the idea around before that.
Document Quality
Google, Cloudflare, Apple, and FaceBook have implemented this extension. Firefox has also indicated they intend to prototype it. It should also be noted that others. eg., the EMU WG, are interested in this feature.
Personnel
Sean Turner is the document shepherd.
Ben Kaduk is the responsible Area Director.