Re: [Autoconf] updated draft on aspects of multi-hop wireless communication
"Charles E. Perkins" <charles.perkins@earthlink.net> Thu, 26 February 2009 18:10 UTC
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Date: Thu, 26 Feb 2009 10:10:31 -0800
From: "Charles E. Perkins" <charles.perkins@earthlink.net>
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To: Rex Buddenberg <budden@nps.navy.mil>
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Cc: "autoconf@ietf.org" <autoconf@ietf.org>, Emmanuel Baccelli <Emmanuel.Baccelli@inria.fr>
Subject: Re: [Autoconf] updated draft on aspects of multi-hop wireless communication
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Hello Rex, ... following up ... Rex Buddenberg wrote: > > I'm genuinely confused regarding just what the order of business needs > to be and what the document artifacts that result from that should be. I think that our small document on aspects of wireless communication is a good first step, and aims to be quite non-controversial. Even so, it appears to be controversial, which I take to be a pretty good indicator that it is needed, and needed immediately. > I've also been a much more intimate witness on how NOT to do such > things within DoD than I ever wanted to be. Are there, perhaps, some > parallels? > > How to get it backwards: > ... I'd be curious to find out if you really think these steps are representative of a way forward that starts with our small "aspects" contribution. > > Aside from the steps (e.g. #4) that are missing altogether, this is > exactly the reverse order of business! We can, and should, build the > reference model without reference to requirements. Is that were we > are agreeing or disagreeing? Or even on the same page? Yes, this is a good question, but I think the answer would have to come from you. Regards, Charlie P. > > > > > > > Charles E. Perkins wrote: >> >> Hello Rex, >> >> Thanks for the long email. I think that I do have a good handle on >> the various >> kinds of mobile communications scenarios as you have outlined below. >> >> You have raised the particular point that many nodes in an ad hoc >> network >> do not have to be routers. I certainly agree with this, and agree >> that any work >> in [autoconf] needs to be able to configure addresses for wireless >> nodes in >> an ad hoc network that are not routers. Perhaps Emmanuel and I could >> better >> emphasize this point in our draft, but even non-router nodes can be >> subject to >> the problems noted in that draft. So we have to find better language to >> identify the wireless nodes that would be affected other than just >> calling >> them "routers". >> >> However, I still maintain that this document under discussion is _not_ a >> requirements document, and that Paul seems to be discussing various >> requirements for ad hoc networks. Don't you agree that requirements >> should be located in a separate document? The only "requirement" that >> we have placed in our small document is a need to deal with reality. >> >> I'd also like to point out one somewhat unrelated point. It is >> agreed, of >> course, that MAC-layer problems can pre-empt the usefulness of >> routing protocols. However, routing protocols can themselves cause >> congestion, and any techniques that we can bring to bear that reduce >> congestion are likely to increase the overall effectiveness of the MAC >> layer protocols also. Furthermore, I think it is likely that people who >> do not have good understanding about the nature of the wireless >> medium are more likely to make design decisions for routing protocols >> that would increase congestion. >> >> What do you think? >> >> Regards, >> Charlie P. >> >>
- [Autoconf] updated draft on aspects of multi-hop … Emmanuel Baccelli
- Re: [Autoconf] updated draft on aspects of multi-… Paul Lambert
- Re: [Autoconf] updated draft on aspects of multi-… Emmanuel Baccelli
- Re: [Autoconf] updated draft on aspects of multi-… Charles E. Perkins
- Re: [Autoconf] updated draft on aspects of multi-… Alexandru Petrescu
- Re: [Autoconf] updated draft on aspects of multi-… Charles E. Perkins
- Re: [Autoconf] updated draft on aspects of multi-… Thomas Heide Clausen
- Re: [Autoconf] updated draft on aspects of multi-… Paul Lambert
- Re: [Autoconf] updated draft on aspects of multi-… Paul Lambert
- Re: [Autoconf] updated draft on aspects of multi-… Charles E. Perkins
- Re: [Autoconf] updated draft on aspects of multi-… Rex Buddenberg
- Re: [Autoconf] updated draft on aspects of multi-… Charles E. Perkins
- Re: [Autoconf] updated draft on aspects of multi-… Rex Buddenberg
- Re: [Autoconf] updated draft on aspects of multi-… Thomas Heide Clausen
- Re: [Autoconf] updated draft on aspects of multi-… Teco Boot
- Re: [Autoconf] updated draft on aspects of multi-… Teco Boot
- Re: [Autoconf] updated draft on aspects of multi-… Teco Boot
- Re: [Autoconf] updated draft on aspects of multi-… Teco Boot
- Re: [Autoconf] updated draft on aspects of multi-… Teco Boot
- Re: [Autoconf] updated draft on aspects of multi-… Thomas Heide Clausen
- Re: [Autoconf] updated draft on aspects of multi-… Teco Boot
- Re: [Autoconf] updated draft on aspects of multi-… Emmanuel Baccelli
- Re: [Autoconf] updated draft on aspects of multi-… Emmanuel Baccelli
- Re: [Autoconf] updated draft on aspects of multi-… Alexandru Petrescu
- Re: [Autoconf] updated draft on aspects of multi-… Thomas Heide Clausen
- Re: [Autoconf] updated draft on aspects of multi-… Emmanuel Baccelli
- Re: [Autoconf] updated draft on aspects of multi-… Charles E. Perkins
- Re: [Autoconf] updated draft on aspects of multi-… Charles E. Perkins
- Re: [Autoconf] updated draft on aspects of multi-… Teco Boot