team everest architectural design review september 15, 2011
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
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Team Everest Architectural Design Review
September 15, 2011
From: http://www.flickr.com/photos/troyismad/89419822/
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Team Members
Larry Battle (CSE) Chris Brown (SE)
Bikash Acharya (CS) Erica Llaca (SE)
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Overview
7/7/11
1. * Product Summary2. * Requirements
* Layers / Sub-layers* Testing
1. * Motivation2. * Flexibility3. * Feasibility
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Product Summary
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Customer Requirements1) The product will run in real time and have the results without lag.
2) The software shall process little response time
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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
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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
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Customer Requirements5) 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
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Customer Requirements6) Must run on an average computer system.
http://media.photobucket.com/image/cpu%20magazine%20mods/jordan23james/100_4271.jpg
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7/7/11
Question: What are specs for an average computer system in 2011?
Image from: http://exonome.com/fj/phkl/open.jpg
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Answer:
CPU: 2.0GHz dual-core or betterRAM: 2-4GBHard drive: 160GB+Video: 512MB - 1GBOS: Windows XP or better
http://au.answers.yahoo.com/question/index?qid=20100218213650AAFr5vA
7/7/11
Question: What are specs for an average computer system in 2011?
Image from: http://exonome.com/fj/phkl/open.jpg
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http://hacknmod.com/wp-content/uploads/2009/04/messy-cables.jpg
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ADS History
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ADS History
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ADS History
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Overview of Layers
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Server Image from: http://www.instablogsimages.com/images/2007/01/08/hp-mediasmart-server_48.jpg
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Sub Layers
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Input Sub-layer
Tasks* Communicate with the external devices* Simply the input data into categories.* Compress all the input into one object.
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Database Sub-layer
Tasks* Allow our program to communicate with the database.
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Manager Sub-layer
Tasks* Provide an API for interfacing with our program.
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Event Handler Sub-layer
Tasks* Coordinate sub-layers communicate.
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Analyzer Sub-layer
Tasks* Analyzes the user state and action history to determine if the an attention getter should be launched.
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Check Sub-layer
Tasks* Does error checking for the sub-layers.* Calibrates the EEG.* Reports errors to the Manager sub-layers.
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Browser Sub-layer
Tasks* Communicate with the web browser.* Controls when our program should be on and off.
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7/7/11http://one7.files.wordpress.com/2010/06/browsers.jpg
Question: Which browser do you prefer?
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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
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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, deletedata 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?
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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?
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Testing Controls
1) Can the Browser Sub-Layer communicate with the browser?
2) Are the attention getters appearing on the screen forthe designated time?
3) Can the Browser Sub-Layer turn off our program when the browser is closed?
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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
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Alternative Architecture 1
Changes:- Move the Manager Sub-Layer to the Controls Layer- Integrate the Check sub-layer into the Event Handler sub-layer.
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Alternative Architecture 2
Changes:- Try to make each sub-layer connect to only one sub-layer.- Eliminate the Check and Event Handler sub-layers.
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Feasibility
http://tamsconcretecanvas.files.wordpress.com/2008/11/obama_yes_we_can.jpg
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Possible Hardware alternative
+ =+
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Any Questions?
http://committeeofpublicsafety.files.wordpress.com/2010/02/cute-sad-kitten06.jpg