๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๐Ÿ“š ์ „๊ณต ๊ณต๋ถ€/์†Œํ”„ํŠธ์›จ์–ด๊ณตํ•™

[์†Œํ”„ํŠธ์›จ์–ด๊ณตํ•™] 4์žฅ. ํ”„๋กœ์ ํŠธ ๊ด€๋ฆฌ ๊ฐœ๋…

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4์žฅ. ํ”„๋กœ์ ํŠธ ๊ด€๋ฆฌ ๊ฐœ๋…


4P : People, Product, Process, Project (์‚ฌ๋žŒ, ์‚ฐ์ถœ๋ฌผ, ํ”„๋กœ์„ธ์Šค, ํ”„๋กœ์ ํŠธ)

  • MOI ๋ชจ๋ธ : Motivation, Organization, Ideas/Innovation (๋™๊ธฐ, ์กฐ์ง, ํ˜์‹ )

ํŒ€ ์กฐ์ง ํŒจ๋Ÿฌ๋‹ค์ž„

  • Closed ํ์‡„์ 
  • Random ์ž„์˜์ 
  • Open ๊ฐœ๋ฐฉ์ 
  • Synchronous ๋™๊ธฐ์ 

ํ˜„๋Œ€ ์†Œํ”„ํŠธ์›จ์–ด์˜ ํŠน์„ฑ : ๋Œ€๊ทœ๋ชจ, ๋ถˆํ™•์‹ค์„ฑ, ์ƒํ˜ธ ์šด์šฉ์„ฑ

์ •ํ˜•์  ๋Œ€ํ™”(๊ณต์  ๋Œ€ํ™”-๋ฌธ์„œ,ํšŒ์˜ ๋“ฑ) vs ๋น„์ •ํ˜•์  ๋Œ€ํ™”(๋Œ€ํ™”,๋„์›€์š”์ฒญ ๋“ฑ)

์†Œํ”„ํŠธ์›จ์–ด ๋ฒ”์œ„(Scope) : ๋ฐฐ๊ฒฝ, ๋ชฉ์ , ๊ธฐ๋Šฅ

๋ฌธ์ œ ๋ถ„ํ•  : ๊ตฌํšํ™”/์ •๊ตํ™”, ๋ถ„ํ•  ๋ฐ ์ •๋ณต, ๊ธฐ๋Šฅ ๋ฐ ํ”„๋กœ์„ธ์Šค

 

๐Ÿ’ก [ ํ”„๋กœ์ ํŠธ ๊ธฐ๋ณธ ์š”๋ น ]

Start on the right foot : ์ฒซ๊ฑธ์Œ๋ถ€ํ„ฐ ์ œ๋Œ€๋กœ, understand the problem

Maintain momentum : ํƒ„๋ ฅ์œ ์ง€, stay out of the team’s way

Track progress : ์ง„๋„ ํ™•์ธ, formal technical reviews

Make smart decisions : ํ˜„๋ช…ํ•œ ์˜์‚ฌ๊ฒฐ์ •, keep it simple

Conduct a postmortem analysis : ์‚ฌํ›„ ๋ถ„์„ ์‹ค์‹œ, learned for each project

 

W^5HH ์›์น™

[ ํ”„๋กœ์ ํŠธ ์ธก์ • : Measure ]

์™œ ์ธก์ •์ด ํ•„์š”ํ•œ๊ฐ€?

  1. To characterize : ํŠน์ง•์ง“๊ธฐ
  2. To evaluate : ํ‰๊ฐ€
  3. To predict : ์˜ˆ์ธก
  4. To improve : ๊ฐœ์„ 

๋ฌด์—‡์„ ์ธก์ •ํ•˜๋‚˜?

→ process, product, project metrics

 

๋ฌด์—‡์„ ๊ธฐ์ค€์œผ๋กœ?

→ size(LOC), function(FP)

 

์ธก์ •ํ•˜๋Š” ์ด์œ 

→ ์ง„ํ–‰์ค‘์ธ ํ”„๋กœ์ ํŠธ์˜ ์ƒํƒœ ํ‰๊ฐ€

→ ์ž ์žฌ์  ์œ„ํ—˜ ์ถ”์ 

→ ๋ฌธ์ œ๊ฐ€ ์น˜๋ช…์ ์œผ๋กœ ๋ฐœ์ „ํ•˜๊ธฐ ์ „์— ๋ฌธ์ œ ํŒŒ์•…

→ ์ž‘์—…์ด๋‚˜ ํ๋ฆ„ ์กฐ์ •

→ SW ์ž‘์—… ์ œํ’ˆ์˜ ํ’ˆ์งˆ์„ ๊ด€๋ฆฌํ•˜๋Š” ํ”„๋กœ์ ํŠธ ํŒ€์˜ ๋Šฅ๋ ฅ์„ ํ‰๊ฐ€

 

[ SW ์ธก์ • ]

์ง์ ‘ ์ธก์ • : LOC(line of code), speed, memory size, # of defect …

๊ฐ„์ ‘ ์ธก์ • : functionality, quality, complexity, efficiency, reliability, maintainability …

 

1. ํฌ๊ธฐ ์ค‘์‹ฌ ์ธก์ •์ง€ํ‘œ(Size-Oriented Metrics)KLOC = 1000 lines of code

error : ๊ฐœ๋ฐœ๊ณผ์ •์—์„œ ๋ฐœ๊ฒฌ๋œ ์—๋Ÿฌ

defect : ๋ฐœ๊ฒฌ๋ชปํ•˜๊ณ  ์ƒ์šฉํ™” ํ›„ ๋ฐœ๊ฒฌ๋œ ์—๋Ÿฌ

PM = Person-Month, ํ•œ ์‚ฌ๋žŒ์ด 1๋‹ฌ๋™์•ˆ ๋ฐœ๊ฒฌํ•œ ์—๋Ÿฌ ์ˆ˜

LOC = Line of Code

 

2. ๊ธฐ๋Šฅ ์ค‘์‹ฌ ์ธก์ •์ง€ํ‘œ(Function-Oriented Metrics)

FP = Function Point

๐Ÿ’ก [ ํ’ˆ์งˆ ์ธก์ • ]

  1. Correctness(์ •ํ™•๋„) : #_defects / KLOC (1000์ค‘ ๋‹น ๊ฒฐํ•จ ์ˆ˜)
  2. Maintainability(์œ ์ง€ ๊ด€๋ฆฌ์„ฑ) : MTTC(Mean-Time To Change, ์š”์ฒญ~์ˆ˜์ •์™„๋ฃŒ๊นŒ์ง€ ๊ฑธ๋ฆฌ๋Š” ์‹œ๊ฐ„)
  3. Integrity(๋ฌด๊ฒฐ์„ฑ) : ํ”„๋กœ๊ทธ๋žจ์ด ์™ธ๋ถ€ ๊ณต๊ฒฉ์— ์˜ํ–ฅ์„ ๋ฐ›์ง€ ์•Š๋Š” ์ •๋„
  4. Usability(์œ ์šฉ์„ฑ/์‚ฌ์šฉ์„ฑ)

๊ฒฐํ•จ ์ œ๊ฑฐ ํšจ์œจ์„ฑ (Defect Removal Efficiency)

DRE = E / (E + D)

-> E = errors(๋ฐœ๊ฒฌ๋˜์–ด ์ˆ˜์ • ์™„๋ฃŒ๋œ ์—๋Ÿฌ), D = defects(๋ฐœ๊ฒฌ๋˜์ง€ ์•Š์•„ ๊ณ ๊ฐ์—๊ฒŒ ์ „๋‹ฌ๋œ ์—๋Ÿฌ)

 

 

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