Re: [Autoconf] updated draft on aspects of multi-hop wireless communication
"Charles E. Perkins" <charles.perkins@earthlink.net> Tue, 24 February 2009 17:44 UTC
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Date: Tue, 24 Feb 2009 09:44:09 -0800
From: "Charles E. Perkins" <charles.perkins@earthlink.net>
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To: Paul Lambert <paul@marvell.com>
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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 Paul, Paul Lambert wrote: >> I am almost certain they >> should be considered out of scope for the document >> under discussion. >> > > In looking at the reference in the charter for "ad hoc" (RFC 2501) the defined MANET is a Chimera - a mythical beast made of the parts of many other animals. It is a shame that smaller monsters are out of scope (like 802.11 ad hoc) ... > I am thoroughly mystified by your reply. Just because certain topics are out of scope for the small document by Emmanuel and me, does not mean they are out of scope for [autoconf]. Isn't it possible to have more than one document? Shouldn't we collect requirements in a requirements document instead of every other document that might be written? To be explicit, I am wholly in favor of making sure that the results of [autoconf] are applicable to 802.11 ad hoc. Did I say anything to imply otherwise? Regards, Charlie P. > Paul > > > > >> -----Original Message----- >> From: Charles E. Perkins [mailto:charles.perkins@earthlink.net] >> Sent: Monday, February 23, 2009 10:21 AM >> To: Paul Lambert >> Cc: Emmanuel Baccelli; autoconf@ietf.org >> Subject: Re: [Autoconf] updated draft on aspects of multi-hop wireless >> communication >> >> >> Hello Paul, >> >> The document isn't intended to suggest a list of work >> items for consideration by [autoconf]. Instead, it is just >> a description of common properties of radio and other >> wireless links. These properties are not quite universal, >> but they are widespread. Some of them can be alleviated >> a bit by mechanisms below the network protocol level. >> >> So we are not suggesting requirements or work items. >> Instead, we simply wanted to make as clear as possible >> some of the characteristics of the transmission media >> whose widespread availability is motivating the work >> of [autoconf]. >> >> Your list of issues would, I think, all fit best in a >> requirements document. I am almost certain they >> should be considered out of scope for the document >> under discussion. >> >> Regards, >> Charlie P. >> >> >> Paul Lambert wrote: >> >>> Hi, >>> >>> The draft-baccelli-multi-hop-wireless-communication-01 provides an >>> >> interesting list of issues that might be addressed by this working group. >> >>> >From a quick review it does not appear to address: >>> - ad hoc network coalescing. Coalescing has clear implications for >>> IP address assignment >>> - there is no mention of multicast versus unicast issues. Perhaps >>> since the document makes all links potentially asymmetric and >>> unreliable there is no distinction. At least for 802.11 ad hoc >>> I find significant implications. >>> - it does not address link security establishment >>> The process of setting up the link security is out of scope, but as >>> I've mentioned in earlier emails this has a clear impact on available >>> networking mechanisms. >>> It is also a very important architectural consideration to ensure >>> >> that >> >>> IP address assignment has some level of security. >>> >>> Asymmetric links in all "ad hoc" networks. Is it possible to partition >>> >> our problem statements so that this is just one of several optional >> attributes that must be addressed? >> >>> Most modern wireless MAC layers have reliable unicast. I can see some >>> >> broadcast only links - like satellite broadcast, but outside military >> applications I am not familiar with broadly deployed commercial wireless >> networking technologies that are based on asymmetric unicast transmissions. >> Perhaps someone on this list could point me to the technologies that they >> are considering for this requirement. >> >>> Regards, >>> >>> Paul >>> >>> >>> > > > >
- [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