Re: [STDS-802-11-TGAK] [802.1 - 9675] Picture of Portal and DS that uses bridged network
Norm,
I'm not sure what part doesn't square, so he's a few comments and hopefully something will help.
Figure 4-6 shows a DS, without any discussion of how it is formed. 802.11 never says anything about how a DS is formed. So, Figure 4-6's DS could well have bridges in it. Or, routers, or application relays, or a Tardis. Whatever. As long as it gets MSDUs to/from the right AP or Portal, it could comprise anything.
The Portal in Figure 4-6, IMHO, is unfortunate to be shown as a "box", because that leads to all sorts of confused thinking. That was part of why I drew the picture I did this afternoon - to highlight that a Portal is just a logical concept (as we said on the call). Somewhat like the DS, it could be instantiated any number of ways, as long as it fulfills the requirements of a Portal (the integration service).
So, if you picture Figure 4-6 with two bridges as forming the DS, and you accept that those same two bridges also form part of the non-802.11 LAN, and you let your mind consider the Portal the logical point at which these two facilities "touch" each other without concern for what "box" it is in, you end up with my picture.
Did that help?
Mark
-----Original Message-----
From: Norman Finn (nfinn) [mailto:nfinn@xxxxxxxxx]
Sent: Monday, May 06, 2013 6:40 PM
To: Hamilton, Mark; STDS-802-1-L@xxxxxxxxxxxxxxxxx
Subject: Re: [802.1 - 9675] Picture of Portal and DS that uses bridged network
That picture really confuses me, Mark. How does that picture square with, for example, Fig 4-6 of 802.11-2012? That picture doesn't show bridges, at all. Are you trying to show the new world and the Portal, both?
-- Norm
-----Original Message-----
From: <Hamilton>, Mark <Mark.Hamilton@xxxxxxxxxxxxxxx>
Reply-To: "Hamilton, Mark" <Mark.Hamilton@xxxxxxxxxxxxxxx>
Date: Monday, May 6, 2013 15:11 PM
To: "STDS-802-1-L@xxxxxxxxxxxxxxxxx" <STDS-802-1-L@xxxxxxxxxxxxxxxxx>
Subject: [802.1 - 9675] Picture of Portal and DS that uses bridged network
>Ballots due May 8: P802.1Q-REV/D1.0, P802.1AX-REV/D2.0 For particulars
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>Per the discussion on the Qbz/TGak teleconference today:
>https://mentor.ieee.org/802.11/dcn/13/11-13-0479-00-00ak-portal-diagram
>-wi
>th-ds-using-bridged-network.docx
>
>Mark
>
>
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