Re: "The IETF has difficulty solving complex problems" or alternatively Why IMS is a big fat ugly incomprehensiable protocol

>> So, as I state in my little web page, I think we really should  
>> work hard to create a new waist for the architecture.   I, of  
>> course, have my own theory where the new waist should be and how  
>> it should be implemented,
>
> Well, don't be shy: where can we absorb these insights?

Since you ask:

Unfortunately I don't have any concise summary of my "theory", but  
wading through my academic papers (available through my home page)  
should give a fairly good view.  I would focus on the following three  
papers, roughly in this order:

1. Pekka Nikander, Jukka Ylitalo, and Jorma Wall, "Integrating  
Security, Mobility, and Multi-Homing in a HIP Way," in Proceedings of  
Network and Distributed Systems Security Symposium (NDSS'03),  
February 6-7, 2003, San Diego, CA, pp. 87-99, Internet Society,  
February, 2003.

2. Jukka Ylitalo, Pekka Nikander, "A new Name Space for End-Points:  
Implementing secure Mobility and Multi-homing across the two versions  
of IP," in Proceedings of the Fifth European Wireless Conference,  
Mobile and Wireless Systems beyond 3G (EW2004), pp. 435-441,  
Barcelona, Spain, February 24-27, 2004.

3. Pekka Nikander, Jari Arkko, and Börje Ohlman, Host Identity  
Indirection Infrastructure (Hi3)," in Proceedings of The Second  
Swedish National Computer Networking Workshop 2004 (SNCNW2004),  
Karlstad University, Karlstad, Sweden, Nov 23-24, 2004.

Especially the last one is pretty dense; it takes time to understand  
all that we are trying to say there.

All three (and more) are available at
http://www.tml.tkk.fi/~pnr/publications/index.html

If you prefer slideware, see our IETF 62 plenary slides:
http://www3.ietf.org/proceedings/05mar/plenaryt.html
http://www3.ietf.org/proceedings/05mar/slides/plenaryt-1.pdf

But, as I wrote, I am trying to take distance from these and trying  
to understand alternative approaches, like "virtualising IP" or  
"domain-based internetworking" that some people are thinking about.   
It is now mostly other people that are continuing the HIP-based work,  
for example, at the CEC funded Ambient Networks project and at the  
IRTF HIP Research Group.

--Pekka Nikander

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