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Kanban and Scrum

Kanban and Scrum

I’d like to discuss about
 a complicated terminology “Kanban”

Yasunobu Kawaguchi

February 13, 2013
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  1. Kanban? ΞδϟΠϧͷจ຺Ͱ Α͘ΈΔΧϯόϯ Kanban boards : We can see in

    Agile context. http:/ /www.infoq.com/articles/agile-kanban-boards http:/ /blog.crisp.se/2009/11/16/henrikkniberg/1258359420000 Kanban board ͱ͍͏ Β͍͠
  2. Kanban? εΫϥϜͷλεΫϘʔ υͷ͜ͱΛ͔Μ͹Μͱ ͍͏ਓ΋͍Δ Task boards : We can see

    in Scrum team. Task board http:/ /www.infoq.com/jp/minibooks/scrum-xp-from-the-trenches ͱݺ͹Ε͍ͯΔ
  3. “Kan ban” = Signboards ؃൘ ͔Μ͹Μํࣜ Kanban system ݟ͑ΔԽ visualization

    λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊ೔ͷςʔϚ
  4. “Kan ban” = Signboards ؃൘ ͔Μ͹Μํࣜ Kanban system ݟ͑ΔԽ visualization

    λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊ೔ͷςʔϚ
  5. Factory A Factory B If Factory A does not have

    enough inventory, they can not ship their product on time. ΋͠޻৔"͕ࡏݿΛ͍࣋ͬͯͳ͚Ε͹ɺ ඞཁͳλΠϛϯάͰग़ՙ͢Δ͜ͱ͕Ͱ͖ͳ͍ɻ
  6. Factory A Factory B Inventory < N ͔Μ͹ΜํࣜͰ͸ɺ ֤۠ؒͷࡏݿͷ਺Λ/ݸʹ੍ݶ͢Δ In

    Kanban system, the number of inventory on each zone are limited to N.
  7. Factory A Factory B Inventory < N /ݸͷࡏݿΛൃ஫ථͷ਺Ͱද͢ɻ ޻৔"͸ฦૹ͞Ε͖ͯͨൃ஫ථͷ෼͚ͩೲೖ͢Δɻ ͜ͷൃ஫ථΛ͔Μ͹Μͱ͍͏ɻ

    Order sheets represents N:the number of inventory. Factory A can ship on the number of order sheets. These sheets called Kanban.
  8. ׬੒ंҰ୆ͷग़ՙλΠϛϯά ִؒ Λ ʮλΫτλΠϜʯͱ͍͏ɻ Քಇ࣌ؒ×ඞཁੜ࢈਺ྔ Takt Time : Time interval

    for build one product. Available production time ÷ Customer demand 6 6 2 2 2 4 Takt Time
  9. λΫτλΠϜ χʔζ ʹରͯ͠ ֤Ϣχοτͷੜ࢈ϐονΛ ʮαΠΫϧλΠϜʯͱ͍͏ɻ Takt Time is based on

    estimated market needs. Cycle Time is actual production interval of each unit. 6 6 2 2 2 4 Cycle Time Takt Time
  10. Kanban system Kanban system is a coordination system based on

    estimated market needs. ✓Number of order sheets (Kanban) = limitation of inventory size ✓Takt Time : interval of each product shipment ͔Μ͹Μํࣜ͸ɺϚʔέοτͷधཁ ༧ଌ ʹ جͮ͘੡଄޻ఔͷௐ੔γεςϜɻ͔Μ͹ΜͱλΫτλΠ ϜͰϓϩηεશମΛௐ੔͢Δɻ 㾎ൃ஫ථ ͔Μ͹Μ ͷ਺͸֤աఔͷࡏݿͷ্ݶ஋ɻ 㾎λΫτλΠϜ͸׬੒඼Ұ୆ͷग़ՙִؒɻ
  11. “Kan ban” = Signboards ؃൘ ͔Μ͹Μํࣜ Kanban system ݟ͑ΔԽ visualization

    λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊ೔ͷςʔϚ
  12. ιϑτ΢ΣΞ։ൃʹ͓͍ͯ͸ɺ ։ൃͷ֤ஈ֊ͷϑϩʔΛॻ͖ग़͢ɻ ϦϦʔεͯ͠ར༻ऀʹ࢖ͬͯ΋Β͍ɺ ऩӹΛಘΔ·Ͱ͸ࡏݿͰ͋Δɻ In software development, draw each step

    of activities for building software. Until users’ paying after release/ shipment, these are all inventory. Value Stream Mapping
  13. Kanban board Plan Design Coding Testing Deploy Map the value

    stream to Kanban board όϦϡʔετϦʔϜΛΧϯόϯʹϚοϓ͢Δ
  14. http:/ /blog.crisp.se/2009/06/26/henrikkniberg/1246053060000 One day in Kanban land by Henrik Kniberg

    10͸"ͱ#͕ ࠷ॏཁͱ൑அ ·͔ͣͦ͜Β ணख͢Δɻ ։ൃऀ͸"ͱ#ʹ ෼͔Εͯணख 10͸࣍ʹ$ͱ%Λ બͿ
  15. http:/ /blog.crisp.se/2009/06/26/henrikkniberg/1246053060000 One day in Kanban land by Henrik Kniberg

    ணʑͱλεΫ͕ ͢͢ΜͰ͍͘ɻ "͕σϓϩΠʹ ౸ୡͨ͠ͱ͜ΖͰ ໰୊ൃੜɻ
  16. http:/ /blog.crisp.se/2009/06/26/henrikkniberg/1246053060000 One day in Kanban land by Henrik Kniberg

    $Λ׬ྃͤͨ͞ ։ൃऀ΋8*1 ϦϛοτͰ࡞ۀ ͕ࢭ·Δ #Λ׬ྃͤͨ͞ ։ൃऀ͸8*1Ϧϛο τͰ࡞ۀͰ͖ͳ͍ ͷͰσϓϩΠΛ ॿ͚ʹ͍͘ σϓϩΠো֐த
  17. http:/ /blog.crisp.se/2009/06/26/henrikkniberg/1246053060000 One day in Kanban land by Henrik Kniberg

    ͞ΒʹσϓϩΠͷ ॿ͚ʹೖΔ͕ɺ ਓ͕଍Γ͍ͯΔͷͰ ίʔώʔΛӡͿɻ 10΋8*1Ϧϛοτɻ ॿ͚ʹճΔɻ ͞Βʹίʔώʔɻ ໰୊ղফޙ͸௨ৗʹɻ ։ൃͷ8*1Λʹ ૿΍ͯ͠޻ఔվળɻ
  18. “Kan ban” = Signboards ؃൘ ͔Μ͹Μํࣜ Kanban system ݟ͑ΔԽ visualization

    λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊ೔ͷςʔϚ
  19. 4DSVN͸γϯϓϧͳϑϨʔϜϫʔΫ Scrum ੜ੒෺ ձٞମ ໾ׂ ϓϩμΫτ όοΫϩά εϓϦϯτ όοΫϩά όʔϯμ΢ϯ

    νϟʔτ εϓϦϯτ ܭը σΠϦʔ εΫϥϜ εϓϦϯτ ϨϏϡʔ ϓϩμΫτ Φʔφʔ εΫϥϜ Ϛελ νʔϜ (C) Jeff Sutherland 1993-2010 translated by Yasunobu Kawaguchi 2011 Scrum in 10 minutes
  20. ͋Β͔͡Ί༧ఆ͞Εͨձٞମ ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex

    2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex Scrum in 10 minutes
  21. ͋Β͔͡Ί༧ఆ͞Εͨձٞମ ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex

    2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex εϓϦϯτܭը Scrum in 10 minutes
  22. ͋Β͔͡Ί༧ఆ͞Εͨձٞମ ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex

    2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex εϓϦϯτܭը εϓϦϯτ ϨϏϡʔ Scrum in 10 minutes
  23. ͋Β͔͡Ί༧ఆ͞Εͨձٞମ ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex

    2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex εϓϦϯτܭը εϓϦϯτ ϨϏϡʔ ;Γ͔͑Γ Scrum in 10 minutes
  24. ͋Β͔͡Ί༧ఆ͞Εͨձٞମ ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex

    2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex εϓϦϯτܭը εϓϦϯτ ϨϏϡʔ ;Γ͔͑Γ ͋Β͔͡Ί༧ఆ͓͖ͯ͠ɺ ௐ੔ͷϜμΛආ͚Δ Scrum in 10 minutes
  25. ຖ೔ͷ֬ೝσΠϦʔεΫϥϜ ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex

    2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex Scrum in 10 minutes
  26. ຖ೔ͷ֬ೝσΠϦʔεΫϥϜ ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex

    2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex σΠϦʔεΫϥϜ σΠϦʔεΫϥϜ Scrum in 10 minutes
  27. ຖ೔ͷ֬ೝσΠϦʔεΫϥϜ ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex

    2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex σΠϦʔεΫϥϜ σΠϦʔεΫϥϜ <ใࠂࣄ߲> ࡢ೔΍ͬͨ͜ͱ͸ͳΜͰ͔͢ʁ ࠓ೔΍Δ͜ͱ͸ͳΜͰ͔͢ʁ ো֐ʹͳ͍ͬͯΔ͜ͱ͸ʁ ͨͩ͠ɺશମͰ෼Ҏ಺Ͱڞ༗͢Δ ˞શһ͕ͦΕͧΕ࿩͢ Scrum in 10 minutes
  28. ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex 2

    Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex જࡏతʹग़ՙՄೳͳ૿෼ Scrum in 10 minutes
  29. ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex 2

    Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex જࡏతʹग़ՙՄೳͳ૿෼ Potentialy Shippable Increments Scrum in 10 minutes
  30. εϓϦϯτͱϦϦʔε 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM

    PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex εϓϦϯτ Scrum in 10 minutes
  31. εϓϦϯτͱϦϦʔε 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM

    PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex εϓϦϯτ Scrum in 10 minutes
  32. εϓϦϯτͱϦϦʔε 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM

    PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex εϓϦϯτ Scrum in 10 minutes
  33. εϓϦϯτͱϦϦʔε 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM

    PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex 2 Weeks Sprint ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex ݄ Ր ਫ ໦ ۚ AM PM1 PM2 Ex ϦϦʔε ظؒ͸ϚʔέςΟϯάɺܦ Ӧ൑அɺ඼࣭อূʹඞཁͳ ظؒʹґଘ͢Δɻ FY࢛൒ظʹҰճ ൒ظʹҰճ εϓϦϯτ Scrum in 10 minutes
  34. ׬શʹ༏ઌ౓෇͚͞ΕͨػೳϦετ σϞํ๏ Product Backlog ༏ઌ౓ Demo or Die : σϞϯετϨʔγϣϯͰ͖ͳ

    ͍΋ͷ͸ऴΘ͔ͬͨͲ͏͔Θ ͔Βͳ͍ɻ ͦͷՁ஋΋఻ΘΒͳ͍ɻ ɹ .*5ϝσΟΞϥϘͷจԽ Scrum in 10 minutes
  35. ׬શʹ༏ઌ౓෇͚͞ΕͨػೳϦετ σϞํ๏ ن໛ݟੵΓ ૬ରϙΠϯτ Product Backlog ༏ઌ౓ Planning Poker :

    νʔϜ͕ࣗओతʹݟੵ΋Δɻ ڠௐݟੵΓͰߟྀ࿙ΕΛݮΒ ͠ɺਫ਼౓Λ্͛Δɻ ࣌ؒͰ͸ͳ͘ɺ૬ରن໛ ײ Ͱ ݟੵΔ͜ͱͰखؒΛݮΒ͢ɻ Scrum in 10 minutes
  36. ׬શʹ༏ઌ౓෇͚͞ΕͨػೳϦετ σϞํ๏ ن໛ݟੵΓ ૬ରϙΠϯτ Product Backlog ༏ઌ౓ ༧ଌ౸ୡ఺ ϕϩγςΟ &NQJSJDBM

    ܦݧओٛ  աڈͷεϓϦϯτͰͷ ౸ୡϙΠϯτ਺ ࣮ଌ஋ ͔Β༧ଌ͢Δɻ ༧૝͢Δͳ࣮ଌͤΑɻ Scrum in 10 minutes
  37. ϓϩμΫτόοΫϩά # ֓ཁ σϞํ๏ ༏ઌ SP 21 ؅ཧऀը໘Λར༻Ͱ͖Δ το ϓը໘͔Βz؅ཧऀzϘ

    λϯͰը໘ʹભҠ 700 3 25 ؅ཧऀͱͯ͠ϩάΠϯͰ͖Δ Α͏ʹͳΔ ؅ཧऀݖݶΛ࣋ͭ*%͚ͩ ʹz؅ཧऀzϘλϯΛදࣔ͢ Δͱ͜ΖΛݟͤΔ 640 5 27 ηογϣϯ͸෼ؒҡ࣋͞ ΕΔ͕ɺͦͷޙ͸ഁغ ૢ࡞ऴྃޙ෼଴ͬ ͔ͯ Βૢ࡞Λߦ͏ ͦͷؒ͸ɺ ଞͷσϞΛݟͤΔ 500 2 24 ؅ཧऀը໘͸݅͝ͱʹ ϖʔδΛ෼͚ͯදࣔ ؅ཧऀը໘Λදࣔ͢Δɻ ࣍ϖʔδΛબ୒͠ ͯ࠷ऴ ϖʔδ·ͰݟͤΔ 490 2 29 λΠτϧΛจࣈྻݕࡧͰ ୳͢͜ͱ͕Ͱ͖Δ το ϓը໘ͷݕࡧ૭ʹೖ ྗ͠ɺݕࡧ݁Ռը໘΁ɻ Ұ߲໨ΛΫϦοΫ͠ ͯ 470 3 Scrum in 10 minutes
  38. # ֓ཁ σϞํ๏ ༏ઌ SP 21 ؅ཧऀը໘Λར༻Ͱ͖Δ το ϓը໘͔Βz؅ཧऀzϘ λϯͰը໘ʹભҠ

    700 3 25 ؅ཧऀͱͯ͠ϩάΠϯͰ͖Δ Α͏ʹͳΔ ؅ཧऀݖݶΛ࣋ͭ*%͚ͩ ʹz؅ཧऀzϘλϯΛදࣔ͢ Δͱ͜ΖΛݟͤΔ 640 5 27 ηογϣϯ͸෼ؒҡ࣋͞ ΕΔ͕ɺͦͷޙ͸ഁغ ૢ࡞ऴྃޙ෼଴ͬ ͔ͯ Βૢ࡞Λߦ͏ ͦͷؒ͸ɺ ଞͷσϞΛݟͤΔ 500 2 24 ؅ཧऀը໘͸݅͝ͱʹ ϖʔδΛ෼͚ͯදࣔ ؅ཧऀը໘Λදࣔ͢Δɻ ࣍ϖʔδΛબ୒͠ ͯ࠷ऴ ϖʔδ·ͰݟͤΔ 490 2 29 λΠτϧΛจࣈྻݕࡧͰ ୳͢͜ͱ͕Ͱ͖Δ το ϓը໘ͷݕࡧ૭ʹೖ ྗ͠ɺݕࡧ݁Ռը໘΁ɻ Ұ߲໨ΛΫϦοΫ͠ ͯ 470 3 εϓϦϯτόοΫϩά Scrum in 10 minutes
  39. Sprint & Velocity ToDo In Progress In Review Done Backlog

    2 2 1 2 3 1 Velocity εϓϦϯτظؒʹ࡞ΕΔྔΛ༧ଌ͢Δ ϕϩγςΟ 'PSFDBTU)PXNBOZQPJOUTDBOCFEPOF  7FMPDJUZ
  40. Inspect & Adapt Product Process Sprint Demo/Review Product Backlog /

    Sprint Backlog Sprint Retrospective Sprint Planning Part II Sprint Planning Part I Daily Scrum Potentially Shippable Product Increment Impediments List
  41. “Kan ban” = Signboards ؃൘ ͔Μ͹Μํࣜ Kanban system ݟ͑ΔԽ visualization

    λεΫϘʔυ Taskboards ,BOCBOϘʔυ Kanban boards in Scrum in Kanban in Toyota Today’s Topic ຊ೔ͷςʔϚ
  42. Toyota Production System Lean Lean Software Development Kanban Lean Startup

    Agile Scrum XP The New New Product Development Game Four steps to the epiphany Agile and Lean Startup Patterns Manufacturing Industry in Japan
  43. Toyota Production System Lean Lean Software Development Kanban Lean Startup

    Agile Scrum XP The New New Product Development Game Four steps to the epiphany Agile and Lean Startup Patterns Manufacturing Industry in Japan Production System ੜ࢈γεςϜ Product Development ੡඼։ൃ
  44. Production System Product Development ੜ࢈γεςϜ ੡඼։ൃ ಉ͡΋ͷΛ΋͏Ұճ ࡞Δ͜ͱ͸ͳ͍ ඞཁͳٕೳશͯΛ ౤ೖͯ͠໰୊Λ

    ૑଄తʹղܾ͠ͳ͚ Ε͹ͳΒͳ͍ ঃʑʹ҆ఆ͍ͯ͘͠ ༧ଌੑΛߴΊ͍ͯ͘ ֶशʹΑͬͯঃʑʹ ֤޻ఔͷੜ࢈ೳྗ͕ ্͕͍ͬͯ͘ ߴ͍ෆ࣮֬ੑ धཁ͸มԽ͢Δ قઅੑͷมԽ΋͋Δ
  45. Kanban Scrum νʔϜશମͰूத͢Δ ඞཁͳٕೳશͯΛ ౤ೖͯ͠໰୊Λ ૑଄తʹղܾ͠ͳ͚ Ε͹ͳΒͳ͍ ݱࡏͷόϦϡʔετ ϦʔϜΛ͔Μ͹ΜͰ ݟ͑ΔԽ͢Δ

    ֶशʹΑͬͯঃʑʹ ֤޻ఔͷੜ࢈ೳྗ͕ ্͕͍ͬͯ͘ λΠϜϘοΫεΛ ܾΊɺݕࠪͱదԠ Λߦ͏ มԽʹରԠ͢Δ ޻ఔΛվળ͢Δ