Functional Requirements Status and Plans

Christopher Neyman & Erik Johansson W. M. Keck Observatory

Viswa Velur California Institute of Technology

Keck NGAO Team Meeting #11

November 5, 2007

Videoconference

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Outline

• Status of AO and laser FRD draft 0.3• Requirements management database tests• Discussion

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FRD AO section status

• Converted from Word document to Excel template for easier input into database

• Required functionality well documented• Specification about 75% complete• Traceability about 75% complete

• Text field references KAON, error budget, SRD, and/or ScRD sections.

• Version on Twiki and imported into database

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FRD Laser section status

• Converted from Word to Excel database template• Laser status

– 27 pages of requirement, ~ 200 requirements

– Laser requirements, LTA, diagnostics & Laser service enclosure well done.

• Required functionality well documented• Traceability 90% (by Nov. 5th)• Rational 90% (by Nov. 5th)• Version on TWiki and database (By Tuesday Nov. 6 CRN)

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Selecting requirements database software• Erik Johansson made a brief evaluation of a number of

requirements management tools for use in the NGAO project (details in KAON)– DOORS (Telelogic)

– Cross-Tie (Teledyne Brown Engineering)

– CaliberRM (Borland)

– OSRMT (open source)

– Rational Requisite Pro (IBM)

– RMTrak (RBC Product Development)

– ARTS (Goda SW)

– Contour (JAMA)

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Selecting requirements database software• Selected Contour by Jama Software, Inc.,

– web-based

– multi-user tool

– no client software required

– easy to use and configurable to meet our needs

– reasonably affordable

– user community includes Intel, Amgen, and Lockheed-Martin, as well as smaller companies and startups

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Testing requirements database software

• Received a 30 day trial multiple-user version of Contour– Expires Nov. 23

• Installed at Keck – AO requirements imported from Excel template

– Laser requirements imported from Excel template

– See following screen shots on slides

• Global access through Keck fire wall – Make accounts and distribute passwords

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Contour project explorer

Organized by SEMP WBS

Short name for easier searching

Requirements document section: easier to organize final documents

Rationale and traceability (just text field for now)

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Contour requirements editor

Rich text editor

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Contour links and change history

Attach documents or web links

Link to other database elements

Add notes and email change notices

Compare versions

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Contour issues

• Need to decide on what to put into database or link to outside URL• Automatic report generation

– Issues with formatting

• Outside user testing– Access should be global (any IP) but requires two passwords (Contour

and Keck internet)

• Make decision on Contour by November 23.

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Requirements issues

• Forward and backward trace requires putting contents of ScRD, SRD into database

• Make decision on Contour by November 23• Gather input for AO & laser requirements version 2.0

– Release as design work completes at start of calendar 2008