[Podcast] Journeying into XDP: Cardinality and Keys
How to model and categorize incoming DNS to provide telemetry and manage data growth and time bounds in the Linux kernel with radix tries and bloom filters.
Tag: measurement
IP fragmentation and the DNS — mitigation
Guest post: How to lower the risk of fragmentation-based DNS attacks.
Enabling passive measurement of Zoom performance in production networks
Guest Post: How network operators can measure the performance of video-conferencing sessions using passively collected packets.
How does Starlink compare to broadband?
Guest Post: Starlink has promoted itself as a viable alternative to cellular and broadband Internet.
Improving SSH’s security with SSHFP DNS records
Guest Post: Measuring the prevalence of SSHFP records among DNS domain names.
HTTP/3 and QUIC — prioritization and head-of-line blocking
Guest Post: Moving streams from the application layer to the transport layer with HTTP/3/QUIC opens a new parameter space for new optimizations.
Fact checking Starlink’s performance figures
Guest Post: How does Starlink performance in the real world compare to its promoted figures?
Continuous in-network round-trip time monitoring
Guest Post: DART is a new open-source system for continuous RTT monitoring directly in the data plane.
System administration work during the COVID-19 lockdown: Insights and practical recommendations
Guest Post: Study reveals the invisible care work done as part of sysadmin work.
Reducing the control loop in congestion control
Guest Post: Decoupling the control loop from full path congestion control helps to bypass bottleneck routers, reducing video buffering.