From: deb@freebsdfoundation.org   
      
   The FreeBSD Foundation is pleased to announce that it has awarded Bjoern   
   Zeeb a grant to analyze the performance of FreeBSD's IPv6 stack. This   
   project is jointly sponsored with iXsystems.   
      
   Last year, Bjoern improved FreeBSD IPv6 support, allowing the   
   possibility to build a FreeBSD system without IPv4 support. This project   
   will continue on this work and concentrate on the kernel, looking at the   
   performance of FreeBSD's IPv6 stack.  Various parties have seen lower   
   performance when comparing IPv4 to IPv6 on FreeBSD.  While the numbers   
   seem to differ between releases the causes are mostly unknown.   
      
   The project will carry out a detailed performance analysis starting with   
   benchmarking IPv6 to IPv4 to get up-to-date numbers to better understand   
   where we are.  It will then continue to identify the origins of   
   differences in performance, and where possible, directly address them or   
   identify areas of future work.  Having initial benchmark numbers will   
   allow changes to be evaluated by re-running the measurements and   
   quantifying the improvements.   
      
   "As the world starts to roll out IPv6 and traffic patterns shift from   
   IPv4 to IPv6, not only correctness and stability, but also feature   
   parity and performance matter," said developer Bjoern Zeeb. "Getting the   
   performance numbers aligning with IPv4 will ensure that our users will   
   not need more resources when using IPv6."   
      
   "ISC uses FreeBSD extensively across our server infrastructure and have   
   provided IPv6 services to the community since 2002," commented Peter Losher,   
   ISC Sr. Operations Engineer.  "We are excited to support The FreeBSD Foundation   
   and Bjoern's efforts to improve IPv6 performance in FreeBSD."   
      
   Bjoern Zeeb is a consultant based in Germany and has been an active   
   FreeBSD committer since 2004. He is currently also a member of the   
   FreeBSD Security and Release Engineering teams.   
      
      
      
      
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