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

2005-09-18 Thread Pekka Nikander
IMHO, this thread of this discussion belongs to the HIP WG list. I am replying there. --Pekka Nikander On Sep 17, 2005, at 15:48, Iljitsch van Beijnum wrote: On 15-sep-2005, at 9:57, Pekka Nikander wrote: So, as I state in my little web page, I think we really should work hard to create

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

2005-09-17 Thread Iljitsch van Beijnum
On 15-sep-2005, at 9:57, Pekka Nikander wrote: 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

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

2005-09-15 Thread Pekka Nikander
... But if I see identification, authentication and routing matters being addressed, I see proposed changes enough to suspect that this will affect the level above (DNS) and below (IP addressing). I don't see any *necessary* changes to IP addressing; OTOH wide spread use of HIP would certai

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

2005-09-15 Thread JFC (Jefsey) Morfin
Dear Pekka, I went through a few of your documents to better understand the basic of HIP. When I told you I prefer models: your proposition could fit my model. But if I see identification, authentication and routing matters being addressed, I see proposed changes enough to suspect that this wi

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

2005-09-15 Thread Pekka Nikander
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: U

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

2005-09-14 Thread Iljitsch van Beijnum
On 13-sep-2005, at 14:32, Pekka Nikander wrote: 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

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

2005-09-14 Thread JFC (Jefsey) Morfin
On 14:32 13/09/2005, Pekka Nikander said: OTOH, maybe I am just a dreamer and totally off the ground here? No, you are not! However the problem with a "vision" is to know where the boarder is between dreams and real future. This is why I prefer a more prosaïc "model" which gives a simple im

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

2005-09-13 Thread Pekka Nikander
Jari Arkko wrote: - Good architecture and good design. Placement of functionality in the right place. I suspect that we don't do enough work in this area. Almost all of our activities are related to specific protocol pieces, not so much on how they work together, what the whole needs to do,

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

2005-09-13 Thread Masataka Ohta
Jeffrey Hutzelman wrote: >>> If you have complicated requirements, you are wrong. >> >> >> You are only ever wrong if you do not listen to your customers and as a >> result fail to provide them with what they want. > > > This is a vast oversimplification. Even if you give your customers what >

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

2005-09-12 Thread Jeffrey Hutzelman
On Monday, September 12, 2005 10:13:52 -0700 "Hallam-Baker, Phillip" <[EMAIL PROTECTED]> wrote: Behalf Of Masataka Ohta If you have complicated requirements, you are wrong. You are only ever wrong if you do not listen to your customers and as a result fail to provide them with what th

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

2005-09-12 Thread Hallam-Baker, Phillip
> Behalf Of Masataka Ohta > If you have complicated requirements, you are wrong. You are only ever wrong if you do not listen to your customers and as a result fail to provide them with what they want. The world is complex, sometimes solutions must also be complex. In those cases the design cho

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

2005-09-12 Thread Masataka Ohta
Henning Schulzrinne wrote: > The assumption that specialized protocols are needed for every > new application. That's irrelevant. The question is whether the application is complicated or not. > As an example, SIP is more complicated than it has > to be because there was a decision to support

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

2005-09-12 Thread Harald Tveit Alvestrand
--On søndag, september 11, 2005 17:57:29 -0400 Henning Schulzrinne <[EMAIL PROTECTED]> wrote: - Generalization of point solutions. Even major new functionality often starts out as the need of a specialized group of users. If you always do only what is needed right now and don't think ahea

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

2005-09-11 Thread Henning Schulzrinne
- Good architecture and good design. Placement of functionality in the right place. I suspect that we don't do enough work in this area. Almost all of our activities are related to specific protocol pieces, not so much on how they work together, what the whole needs to do, what etc. These

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

2005-09-11 Thread Jari Arkko
standards bloat solution: anyone proposing a new feature has to propose two features to be retired. anyone proposing a new standard has to propose two standards to be retired. This is a fun thread, but if we ever decide to get serious about complexity, we can't assume a static Internet or st

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

2005-09-10 Thread Harald Tveit Alvestrand
--On 9. september 2005 13:55 -0500 Spencer Dawkins <[EMAIL PROTECTED]> wrote: This was quite funny - both of you! Of course, the first thing to do when you want to lose "complexity" is "Stop adding to the problem" (as in "Put down the fork and push away from the table..."). standards bloa

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

2005-09-09 Thread Richard Shockey
Session Border Controller for dessert ? Grumble Grumble ..< burp> See you in Vancouver, Spencer From: "Richard Shockey" <[EMAIL PROTECTED]> To: "Pekka Nikander" <[EMAIL PROTECTED]> Cc: Sent: Friday, September 09, 2005 1:35 PM Subject: Re: "The IETF ha

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

2005-09-09 Thread Spencer Dawkins
<[EMAIL PROTECTED]> To: "Pekka Nikander" <[EMAIL PROTECTED]> Cc: Sent: Friday, September 09, 2005 1:35 PM Subject: Re: "The IETF has difficulty solving complex problems" or alternatively Why IMS is a big fat ugly incomprehensiable protocol Pekka Nikander wro

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

2005-09-09 Thread Richard Shockey
Pekka Nikander wrote: In a whimsical mood, I put up a web page that tries to clarify the comments that I made about complexity during the Paris IETF Thursday plenary. So, for your bed time enjoyment: http://www.tml.tkk.fi/~pnr/FAT/ Pekka this is a outstanding piece of work and I would sug

Re: "The IETF has difficulty solving complex problems"

2005-09-09 Thread Pekka Nikander
In a whimsical mood, I put up a web page that tries to clarify the comments that I made about complexity during the Paris IETF Thursday plenary. So, for your bed time enjoyment: http://www.tml.tkk.fi/~pnr/FAT/ --Pekka Nikander ___ Ietf mailing lis

Re: "The IETF has difficulty solving complex problems"

2005-08-09 Thread JFC (Jefsey) Morfin
At 14:20 09/08/2005, Brian E Carpenter wrote: without needing an over-arching scalablity framework or robustness framework. This is what I call the "mono" default architectural parametering of the Internet. The architecture permits applications to scale. The architecture could scale. But the

Re: "The IETF has difficulty solving complex problems"

2005-08-09 Thread Brian E Carpenter
Well, this didn't come up in the Thursday plenary unless my brain is more than normally fuzzy. Firstly, it's worth re-reading section 2.3 of RFC 3774... ...OK, now you've read that, I wouldn't necessarily agree with every word, but I think it's basically true. What I meant to argue is that what

RE: "The IETF has difficulty solving complex problems"

2005-08-04 Thread Hallam-Baker, Phillip
> This conjecture was disturbing, but calling it a feature was > even more disturbing. After a bit of pondering, and > wondering what different groups in the IETF might mean by > "complex", my first thought was that the IETF has never, ever > solved one. For example, we do QoS in small pieces

Re: "The IETF has difficulty solving complex problems"

2005-08-04 Thread JFC (Jefsey) Morfin
Dear Scott, could we phrase it differently? I submit that we could qualify (along with your own wording) "complex" changes as bringing a "revolution". In that case the problem becomes simpler: to try to tink if there is a way to make the "revolution" a simple "evolution". I will take an exampl

"The IETF has difficulty solving complex problems"

2005-08-03 Thread Scott W Brim
This conjecture was disturbing, but calling it a feature was even more disturbing. After a bit of pondering, and wondering what different groups in the IETF might mean by "complex", my first thought was that the IETF has never, ever solved one. For example, we do QoS in small pieces that don't fi