[Ns-bugs] [Bug 74] Redundant routing table lookup for setting src addr of outoging IP packets

[bugzilla-daemon@nsnam-www.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=74





------- Comment #6 from mathieu.lacage at sophia.inria.fr  2007-09-14 09:16 -------
> We cannot base our design purely on existing implementations of real network
> stacks, because real implementations take into consideration the userspace /
> kernelspace division between routing and forwarding, and associated context
> switching penalty.  Here we have no context switching, thus we can achieve a
> simpler architecture because we don't have to work around the context switching
> bottleneck.

Sure, but if you knew how others solve the same problem, I am fairly certain
that it would give you food for thought: it does not mean that you should do
the same thing. It just means that trying to redesign something without
a-priori knowledge of what others do does not sound like a great idea.


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