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

[Tom Henderson]

Mathieu Lacage wrote:

>>
>> So, it seems to me that either Olsr has to ask Ipv4 or its routing 
>> protocol how it should insert itself (hence, the 
>> "SupportsAddRoutingProtocol()" call), or OlsrAgent needs to be 
>> configured by something like a helper so that it knows at runtime how it 
>> should insert itself.
> 
> I really don't understand why the helper can't just create the olsr
> routing protocol and insert it itself.

It could, if we reworked Olsr.  Presently, though, there are two 
components, an OlsrAgent and an OlsrRoutingTable, the latter of which is 
  the Ipv4RoutingProtocol.  I think it may have been done this way for 
ease of porting from ns-2.

Tom