BIND 9.16 vs 9.11 Performance Comparison

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Presented by

Petr Spacek

About this talk

Petr Spacek is a recognized performance testing expert in the DNS community. In this video, he explains why Queries Per Second (QPS) is not in itself an adequate metric for benchmarking a DNS resolver (because some queries are orders of magnitude more work to resolve). He describes the results of testing BIND 9 Resolver performance on both the 9.11 and 9.16 branches, using the same set of queries for each test. These queries are from captures from a carrier, and include both wired and wireless clients. (This talk was also presented at the RIPE 83 Meeting on November 11, 2021.)

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Internet Systems Consortium is a non-profit corporation dedicated to developing software and offering services in support of the Internet infrastructure. ISC develops and distributes three open source Internet networking software packages: BIND 9, ISC DHCP, and Kea DHCP. BIND 9, ISC’s Domain Name System (DNS) software program, is widely used on the Internet by enterprises and service providers, offering a robust and stable platform on top of which organizations can build distributed computing systems. ISC DHCP and Kea implement the Dynamic Host Configuration Protocol for connection to an IP network. Kea DHCP is ISC newer DHCP software, and is designed for modular extension, dynamic reconfiguration, and high performance. In addition to our open source software, ISC also operates critical Internet infrastructure in the form of the F-Root server, one of the 13 Internet root name servers that power the global Internet. ISC is supported through the sale of annual support subscriptions for our open source software. These support services also include advance notification of security vulnerabilities, and in some cases, non-public software extensions. For more information please visit https://isc.org.