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Doc.: IEEE 802.11-09/0780r1 Submission July 2009 Victoria Poncini, Microsoft CorporationSlide 1 IEEE MAC Model – Data Plane Date: 2009-07-13 Authors:

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Presentation on theme: "Doc.: IEEE 802.11-09/0780r1 Submission July 2009 Victoria Poncini, Microsoft CorporationSlide 1 IEEE MAC Model – Data Plane Date: 2009-07-13 Authors:"— Presentation transcript:

1 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Victoria Poncini, Microsoft CorporationSlide 1 IEEE MAC Model – Data Plane Date: 2009-07-13 Authors:

2 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Victoria Poncini, Microsoft CorporationSlide 2 Abstract This submission is the first in a series of Functional Analysis System Technique (FAST) diagrams which depict the IEEE 802.11 MAC functional breakdown work in the 802.11 ARC standing committee. The functions of the MAC are being represented with three initial diagrams: Data, Control and Management Planes, with a final diagrams depicting the interactions between the three functional areas within the MAC.

3 doc.: IEEE 802.11-09/0780r1 Submission Outline Recap of prior MAC component and FAST WIP Intro to Functional Analysis WLAN Functional Breakdown - History Next Steps References July 2009 Victoria Poncini, Microsoft CorporationSlide 3

4 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Darwin Engwer, Nortel NetworksSlide 4 Intro to Functional Analysis Function Analysis Systems Technique (F.A.S.T.) is a formal method of functional analysis. FAST is “a means of explicitly representing something, a means of analyzing a system” Knowing the components, a FAST analysis proceeds by asking a series of WHY, HOW questions to uncover the corresponding functions and the relations between those functions. –The functions are arranged as entries or blocks on a diagram with WHY answers on the left and HOW answers on the right. –Functions are described using simple verb-noun phrases. –Relationship lines connect the functional blocks together in a way that captures the relations between the functions.

5 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Darwin Engwer, Nortel NetworksSlide 5 FAST Example Lightbulb components: –Filament –Glass bulb –Support wires –Lead-in wires –Heat deflecting disc –Stem –Stem press –Base rim –Insulation –Center contact

6 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Darwin Engwer, Nortel NetworksSlide 6 FAST Example - Light Bulb Functions Provide Luminous Energy Product Light Convert Energy Heat Filament Prevent Oxidation Confine Filament HOWWHY Exclude Oxygen Supply Power Conduct Current Connect Wires

7 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Darwin Engwer, Nortel NetworksSlide 7 WLAN Functional Breakdown rev 20090312 This is a FAST functional analysis diagram, beginning to examine the underlying functions of the MAC and the relationships between those functions. http://tinyurl.com/ARC-SC-MAC-func-20090312-png

8 doc.: IEEE 802.11-09/0780r1 Submission March 2009 Darwin Engwer, Nortel NetworksSlide 8 The Mindomo Tool A mind map is not ideal for drawing FAST diagrams, but it’s close and quick and easy to use, with capable online tool versions available that allow for effective collaborative work efforts. Mindomo is one such mind map tool. See www.mindomo.com

9 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Victoria Poncini, Microsoft CorporationSlide 9

10 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Victoria Poncini, Microsoft CorporationSlide 10

11 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Victoria Poncini, Microsoft CorporationSlide 11

12 doc.: IEEE 802.11-09/0780r1 Submission Next Steps If group feels current direction proposed for MAC functional breakdown is correct approach then continue with model work for each of the distinct areas. As each of the areas (data/control/management planes) complete, migrate them to Mindomo tool that Darwin proposed in March 2009 meeting. Continue with proposed breakdown of function to service primitives? (what level do we take the functions down …in order to provide the MLME blocks?) July 2009 Victoria Poncini, Microsoft CorporationSlide 12

13 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Darwin Engwer, Nortel NetworksSlide 13 References 1. IEEE Std. 802.11-2007 –Cl. 5 General Description 5.2.5 Integration with non-802.11 LANs Figure 5.6 Connecting to other IEEE 802 LANs [shows portal] –Annex N AP Functional Description Figure N.4 High-level UML entity diagram for the WLAN system Figure N.5 AP UML composition diagram (alternate syntax) 2. 11-04-1225-08 AP Function Summary 3. 11-08-0496-01-000v-merged-access-unit-framework.ppt, Engwer, April 2008 4. 11-05-1606-00-0apf-ap-functions-diagram.ppt, Engwer, Jan 2005 5. 11-08-0867-01-0arc-MAC-Component-Breakdown-Topics-for- Discussion.ppt 6. 11-08-0869-00-0arc-minutes-arc-sc-July-2008.doc 7. 11-08-0949-04-0arc-MAC-Component-Breakdown-WIP.ppt 8. 11-08-1298-01-0arc-MAC-component-breakdown.doc

14 doc.: IEEE 802.11-09/0780r1 Submission July 2009 Darwin Engwer, Nortel NetworksSlide 14 References for 2008-12-16  2009-03-03 conference calls and live meetings 2008-12-16: –JPG image of MLME component breakdown of BSS Management http://tinyurl.com/bss-manage-1 2009-01-13: –JPG image of WLAN functional breakdown map rev1 2009-01-12 http://tinyurl.com/bss-manage-2 2009-02-03: –PNG image of WLAN functional breakdown map 20090203 http://tinyurl.com/ARC-SC-MAC-func-20090203-png –Mindomo map share link http://www.mindomo.com/edit.htm?m=2fe04de3d0804f7ba5d634f592f6262f 2009-02-17: –PNG image of WLAN functional breakdown map 20090217 http://tinyurl.com/ARC-SC-MAC-func-20090217-png –Mindomo map share link http://www.mindomo.com/edit.htm?m=f32575505e594a728e16b87458ce8481 2009-03-12 –PNG image of WLAN functional breakdown map 20090312 http://tinyurl.com/ARC-SC-MAC-func-20090312-png –Mindomo map share link http://www.mindomo.com/edit.htm?m=ccd51a96718f40ac8bb4cbc24ffbf74f

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