[manet] Re: A partial response to <Re: Review draft-perk ins-manet-aodvv2-05>

Hello Juliusz,

My days as a Unix systems programmer are distant and pleasant memories.  
I was, however, quite involved with implementations of AODV 20 years 
ago.  AODV and AODVv2 place similar demands on the operating system. I 
reckon that AODVv2 will be equally implementable as AODV.

I recently obtained the following paper which provides a much more 
detailed discussion about how to implement AODVv2 in user space.

         Sergio Machado, Israel Martín-Escalona, Enrica Zola, and
    Francisco Barceló-Arroyo, "A User Space Implementation of the AODVv2
    Routing Protocol", 2021 International Conference on Software,
    Telecommunications and Computer Networks (SoftCOM 2021), October
    2021, Split, Hvar, Croatia, DOI 10.23919/SoftCOM52868.2021.9559121

At first glance, it seems to me that this paper answers your question.  
If desired, and if I have time (not guaranteed) I could try to present 
some interesting points about the paper next week.

PS. I have a 9-track tape with the New South Wales source code.  I guess 
I ought to send it to somebody for safekeeping.  Also, most of the news 
articles from Usenet from the days when a person could read every newsgroup.


On 5/12/2025 6:42 AM, Juliusz Chroboczek wrote:
> Hello Charlie,
>
>> Prior to resubmission last year, I reviewed the comments I was able to
>> find about AODVv2, plus some I had received by private email.  All of
>> those comments were addressed, except for the observation that AODVv2
>> needed to have a publicly available implementation for evaluation.  And,
>> now, there is an NS-3 implementation being made ready for general release.
> If I'm not mistaken, NS-3 is a discrete event simulator running in
> userspace.  It is not clear to me at all how the experience of an
> implementation in NS-3 carries over to implementations on real hardware.
>
> I think that AODV(v2) is a nice protocol, and I have learnt a lot from it
> when designing Babel.  However, one important property that I took into
> account when designing Babel was implementability.
>
> Charlie, could you please outline how you would envision an implementation
> of AODVv2 running on a general pupose OS such as Linux?  What would need
> to run in userspace, what would run in the kernel, and what would the
> user/kernel interface look like?
>
> Thanks,
>
> -- Juliusz

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