[Ns-bugs] [Bug 277] star topologies are painful to create

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

http://www.nsnam.org/bugzilla/show_bug.cgi?id=277





------- Comment #10 from mathieu.lacage at sophia.inria.fr  2008-08-11 14:34 -------
(In reply to comment #9)
> If any amount of code can be reused easily without copy/paste across multiple
> source files, it should be done.

There is, of course, no such black-or-white answer to the problem and your
comment shows it particularly well. Code reuse has costs. One of them is the
one you outline below: its does not deal particularly well with variant
behaviors, hence leading the system to behave in weird ways in some cases. So,
reusing 5 lines of a trivial for loop must be weighted against allowing
weird/invalid object/code combinations. I personnally could live with either
solution but I want to make sure that the consequences of that code reuse are
clear to everyone.

> The open question in my mind then becomes how do we handle when topology
> helpers are being used with incompatible device/link types?

That is clearly one of the issues which must be addressed.


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