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Team Everest Architectural Design Review September 15, 2011

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Team Everest Architectural Design Review September 15, 2011. From: http://www.flickr.com/photos/troyismad/89419822/. Team Members. Larry Battle (CSE). Chris Brown (SE). Erica Llaca (SE). Bikash Acharya (CS). * Product Summary * Requirements * Layers / Sub-layers * Testing

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Presentation Transcript
slide1

Team Everest

Architectural Design Review

September 15, 2011

From: http://www.flickr.com/photos/troyismad/89419822/

slide2

Team Members

Larry Battle (CSE)

Chris Brown (SE)

Erica Llaca (SE)

Bikash Acharya (CS)

overview

* Product Summary

* Requirements

* Layers / Sub-layers

* Testing

* Motivation

* Flexibility

* Feasibility

Overview
slide5

Customer Requirements

1) The product will run in real time and have the results without lag.

2) The software shall process little response time

slide6

Customer Requirements

3) The product shall have minimally invasive hardware

http://www.blogcdn.com/www.engadget.com/media/2010/09/neurosky-mindwave-01-top.jpg

slide7

Customer Requirements

4) The product shall track all ranges of concentration

http://static.guim.co.uk/sys-images/Guardian/About/General/2009/6/30/1246373469711/Customers-use-computers-a-001.jpg

slide8

Customer Requirements

5) The product shall have little to no notification of concentration awareness

http://www.remove-virtumonde.com/wp-content/uploads/2009/04/virtumonde-pop-ups1.jpg

slide9

Customer Requirements

6) Must run on an average computer system.

http://media.photobucket.com/image/cpu%20magazine%20mods/jordan23james/100_4271.jpg

slide10

Question: What are specs for an average computer system in 2011?

Image from: http://exonome.com/fj/phkl/open.jpg

slide11

Question: What are specs for an average computer system in 2011?

Answer:CPU: 2.0GHz dual-core or betterRAM: 2-4GBHard drive: 160GB+Video: 512MB - 1GBOS: Windows XP or betterhttp://au.answers.yahoo.com/question/index?qid=20100218213650AAFr5vA

Image from: http://exonome.com/fj/phkl/open.jpg

slide12

http://hacknmod.com/wp-content/uploads/2009/04/messy-cables.jpghttp://hacknmod.com/wp-content/uploads/2009/04/messy-cables.jpg

slide17

Server Image from:

http://www.instablogsimages.com/images/

2007/01/08/hp-mediasmart-server_48.jpg

slide19

Input Sub-layer

Tasks

* Communicate with the external devices

* Simply the input data into categories.

* Compress all the input into one object.

slide20

Database Sub-layer

Tasks

* Allow our program to communicate with the database.

slide21

Manager Sub-layer

Tasks

* Provide an API for interfacing with our program.

slide22

Event Handler Sub-layer

Tasks

* Coordinate sub-layers communicate.

slide23

Analyzer Sub-layer

Tasks

* Analyzes the user state and action history to determine if the an attention getter should be launched.

slide24

Check Sub-layer

Tasks

* Does error checking for the sub-layers.

* Calibrates the EEG.

* Reports errors to the Manager sub-layers.

slide25

Browser Sub-layer

Tasks

* Communicate with the web browser.

* Controls when our program should be on and off.

slide26

Question: Which browser do you prefer?

http://one7.files.wordpress.com/2010/06/browsers.jpg

slide27

Testing Driven Development

“Test-driven development (TDD) is a software development process that relies on the repetition of a very short development cycle” – wikipedia.org

4 main stages of TDD.

1) Write a test case.

2) Watch it fail.

3) Program it to pass.

4) Refactor

slide28

Testing for I/O Layer

1) Can the input sub-layer process the input from

the external devices within a reasonable amount of time?

2) Can the database sub-layer add, update, delete

data from the database?

3) Does the input and database sub-layers sent data to the

appropriate location?

4) Does the input simplify the data correctly?

slide29

Testing Logic Layer

1) Can the Check Sub-Layer find and report errors?

2) Does the Event Handler send data to the function of the

assigned Destination?

3) Do all the sub-layers communicate

with the Event Handler correctly?

4) Does the Analyzer sub-layer launch an attention getter

event when the user isn’t concentrated for a certain time period?

slide30

Testing Controls

1) Can the Browser Sub-Layer communicate with the browser?

2) Are the attention getters appearing on the screen for

the designated time?

3) Can the Browser Sub-Layer turn off our program

when the browser is closed?

slide31

Motivation/ Flexibility

Possible Changes:

- Event Handler helps abstracts the functions calls to the sub-layers.

- Any changes to the inputs devices is handled by the Input Sub-Layer

slide32

Alternative Architecture 1

Changes:

- Move the Manager Sub-Layer to the Controls Layer

- Integrate the Check sub-layer into the Event Handler sub-layer.

slide33

Alternative Architecture 2

Changes:

- Try to make each sub-layer connect to only one sub-layer.

- Eliminate the Check and Event Handler sub-layers.

slide34

Feasibility

http://tamsconcretecanvas.files.wordpress.com/2008/11/obama_yes_we_can.jpg

slide36

Any Questions?

http://committeeofpublicsafety.files.wordpress.com/2010/02/cute-sad-kitten06.jpg

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