[Sussex] Embedded help - Is 802.11b an LLC standard under 802.3?

[Iain Stevenson]

That would be: IP -> (SNAP)LLC -> 802.11 MAC.  It shouldn't need any more 
work than any other of the IEEE 802 family.  IEEE 802.15 shouldn't require 
any more work at these layers.  If programmers are claiming to need more 
work for IEEE 802.15 I would have thought it is the immaturity of this 
standard that is the real problem.

  Iain





--On Wednesday, December 17, 2003 8:11 pm +0000 Mark Harrison 
<Mark at ascentium.co.uk> wrote:

> Iain,
>
> OK - that makes sense. I'm revising stuff that I understood 10+ years ago,
> but is now rusty.
>
> The _real_ question is "how does one envelope an IP packet into
> 802.11x"...
>
> ... and the reason for wanting to know is that there's a need to make an
> architectural decision between 802.11 and 802.15 for an embedded device,
> and I want to understand whether the programmer's analysis of "work
> required" is truth or blag :-)
>
> M.
>
> ----- Original Message -----
> From: "Iain Stevenson" <iain at iainstevenson.com>
> To: "LUG email list for the Sussex Counties" <sussex at mailman.lug.org.uk>
> Sent: Wednesday, December 17, 2003 8:05 PM
> Subject: Re: [Sussex] Embedded help - Is 802.11b an LLC standard under
> 802.3?
>
>
>>
>> By design, the MAC layer addresses sit below the LLC layer - which is
>> IEEE 802.2 - in all cases I know of.  IEEE has been pretty scrupulous in
>> maintaining that.  LLC SAP addresses are independent of MAC.
>>
>>   Iain
>>
>>
>>
>> --On Wednesday, December 17, 2003 6:45 pm +0000 Mark Harrison
>> <Mark at ascentium.co.uk> wrote:
>>
>> > Dumb question here...
>> >
>> > I understand 802.3 packets. Specifically, I understand how to frame an
> IP,
>> > ARP or RARP packet into 802.3 ethernet.
>> >
>> > My question is, how does that map to 802.11b?
>> >
>> > I've sort of implicitly been assuming that 802.11b is a sub-standard of
>> > the Data level, and sits under 802.3 LLC... This assumption has served
> me
>> > to date, because I've been living up at the UDP / TCP levels and not
>> > needed to worry....
>> >
>> > ... but the natural implication of this would be that 802.11b MAC
>> > addresses are in a flat space together with 802.2. Is this actually
>> > correct?
>> >
>> > The reason I ask is that I've got an interesting embedded system that
> uses
>> > embedded 802.11b chipsets to discuss tomorrow, and I want to ensure
>> > that I'm keeping up with the lead architect :-)
>> >
>> > Regards,
>> >
>> > Mark
>> >
>> >
>> > _______________________________________________
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>> > Sussex at mailman.lug.org.uk
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>> >
>>
>>
>>
>>
>>
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