Measuring the impact of DNS Flag Day 2020
Just how bad is packet fragmentation loss in the DNS? See the results of DNS Flag Day 2020.
Tag: UDP
A tale of VoIP, NAT and some confused engineers
Guest Post: Network Address Translation can incur many unseen issues for VoIP Providers.
Overcoming the limitations of UDP Options
Guest Post: A promising transport options extension for UDP may be undermined by existing network processes.
Is new always better? UDP vs DoH
Guest Post: Study seeks to understand which transport protocol works best with DNS-over-HTTPS.
A quick look at QUIC
Get the backstory on the history and design of QUIC, and what implications it might have on the overall architecture of the Internet Protocol.
How well does ATR actually work?
Additional Truncated Response (ATR) does not completely fix the issue of large responses but it is worth considering if you want a faster DNS service.
Should I allow UDP over my satellite link?
Guest Post: Could UDP possibly be worse than small TCP flows? Could TCP be its own worst enemy?
How to: Raw sockets in IPv6
Learn how to use a raw socket interface in IPv6 to generate a UDP-based DNS server and a TCP-based HTTP(S) server that allows the application to exercise direct control over packet fragmentation.