[Ns-developers] review request for ns-3 IPv4 refactoring

Sébastien Vincent vincent at clarinet.u-strasbg.fr
Tue Jan 27 00:26:41 PST 2009


Hi,

Tom Henderson wrote:
> I've been working on some refactoring of the IPv4 layer for a few 
> months, and would like to propose it for merging in ns-3.4.  There is 
> still some stuff to be done, but I'm fairly satisfied with how it has 
> come out and I believe it will be ready for merge by next week, 
> barring major comments.
>
> http://code.nsnam.org/tomh/ns-3-ip
>
> Documentation:  I've written various documentation of what this is all 
> about in a few places, including a wiki page:
> http://www.nsnam.org/wiki/index.php/IPv4_cleanup
>
> There are two README files that are reasonably up-to-date in the 
> top-level directory:
> http://code.nsnam.org/tomh/ns-3-ip/file/4b7ef4adeb60/README.routing.txt
> http://code.nsnam.org/tomh/ns-3-ip/file/4b7ef4adeb60/README.routing.api
>
> Regression status:  It has been merged with ns-3-dev and passes "./waf 
> --valgrind --regression" except for the following caveats:
> 1) NSC is not cut over yet, and API needs rescanned for Python
> 2) simple-point-to-point-olsr fails the regression test but that is 
> because I fixed a small bug in the IP stack
>
> The main missing pieces:
> 1) NSC cut over
> 2) multicast routing (only scaffolding is there at the moment)
> 3) python binding regeneration
> 4) a bit more cleanup and documentation in the ns-3 manual
>
> API changes:  There was considerable API change in IPv4-related 
> classes but:
> 1) Users of the helper APIs will generally see no changes
> 2) The porting of any legacy functions should be fairly straightforward
>
> I started to put together a README.routing.api file to document this 
> so that it can be used as a basis for CHANGES.html.
>
> I don't think additional IPv6 code will make this release but if this 
> is merged, work could restart on merging the rest of the IPv6 code 
> that was proposed last year.

I just wait to you for a ns-3-ip "ready" repository to start coding IPv6 
routing stuff. Now I will study code and begin IPv6 integration.

--
Seb

>
> - Tom
>
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