Date: Mon, 01 Mar 2004 23:18:34 +0100 From: Andre Oppermann <andre@freebsd.org> To: freebsd-current@freebsd.org, freebsd-net@freebsd.org Subject: My planned work on networking stack Message-ID: <4043B6BA.B847F081@freebsd.org>
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Hi all,
I put this up for coordination and cooperation in my planned work on the
FreeBSD networking system. This is my todo list of things I want to do
from now through summer 04. If you are or intend to work on one of these
please step forward so we can coordinate. :-)
[] move ARP out of the routing table and instantiate it once per ethernet
broadcast domain. (started)
[] automatically sizing TCP send buffers to achieve optimal performance
over a wide range of bw*delay situations. (in progress)
[] establish a testbed for testing and qualification of TCP performance
and optimizations over a wide range of network conditions (types,
speeds, packet loss ratios, out of order, etc). (started)
[] update and write more documentation for the network stack and related
code. (started)
[] adjust or rewrite the IPFW API to use the PFIL_HOOKS instead of being
woven directly into ip input/output. (unless someone else does it)
[] move IPv4 routing to its own optimized routing table structure and
add multi-path and policy-routing options. (planned)
[] profile (don't speculate) common network server usages overall and
in specific detail in depth in the network code. (planned)
[] write a network statistics (only local, no sniffing) gathering daemon
that collects vital real world IP and TCP behaviourial statistics.
(planned)
[] rewrite (or port over NetBSDs) tcp_reass() function which is currently
rather inefficient. (planned)
[] remove TTCP complexity and replace it with something along the lines
of TCP_MD5SIG to continue to allow fast connection setups but simpler
in implementation. (Nothing fixed yet, up for discussion)
[] other stuff that I happen to stumble over... ;-)
--
Andre
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