ソフトウェア開発とコミュニケーション / Communication in Software Development

by Junichi Kobayashi

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ιϑτ΢ΣΞ։ൃͱ  ίϛϡχέʔγϣϯ גࣜձࣾӬ࿨γεςϜϚωδϝϯτΞδϟΠϧࣄۀ෦ খྛ७Ұ !KVOL 91ࡇΓ POMJOF 4BU

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খྛ७Ұ !KVOL

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ࣗݾ঺հ • খྛ७Ұ !KVOL • גࣜձࣾӬ࿨γεςϜϚωδϝϯτ ‣ ΞδϟΠϧࣄۀ෦3VCZº"HJMFάϧʔϓॴଐ • ԻήʔϚʔɺϘʔυήʔϚʔ ‣ ޷͖ͳۂ͸%FTUJOZ4XPSE **%9 ‣ ޷͖ͳϘʔυήʔϜ͸4DZUIFେחઓ໾

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࠷ॳʹ͓Θͼ

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ιϑτ΢ΣΞ։ൃͱίϛϡχέʔγϣϯ • ಺༰͕ܾ·Γ͖ͬͯͳ͔ͬͨͷͰλΠτϧ͕େ͛͞ʹͳΓ·ͨ͠ • ࣗ෼ͷܦݧ͔Β࿩Λ͢ΔͷͰɺΞδϟΠϧ ಛʹ91 ʹݶͬͨ  ࿩ʹͳΓ·͢ • ΢ΥʔλʔϑΥʔϧܕͷେن໛։ൃͰ΋Τοηϯε͸  ͓࣋ͪؼΓ͍͚ͨͩΔͱࢥ͍·͕͢ʜʜ

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ؾΛऔΓ௚ͯ͠

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ιϑτ΢ΣΞ։ൃͱ  ίϛϡχέʔγϣϯ גࣜձࣾӬ࿨γεςϜϚωδϝϯτΞδϟΠϧࣄۀ෦ খྛ७Ұ !KVOL 91ࡇΓ POMJOF 4BU 91ͳ

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͓͠ͳ͕͖ • 91ʹ͓͚Δίϛϡχέʔγϣϯͱ͸ • ࣮ࡍͷ։ൃͰֶΜͩίϛϡχέʔγϣϯͷॏཁੑ ‣ ্ख͍ͬͨ͘ࣄྫɾࣦഊͨ͠ࣄྫ • 91ͷϓϥΫςΟεΛίϛϡχέʔγϣϯͷࢹ఺ͰݟΔ

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91ʹ͓͚Δ  ίϛϡχέʔγϣϯͱ͸

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ίϛϡχέʔγϣϯͷҐஔ͚ͮ • 91Ͱ͸ʮՁ஋ʯͷҰͭ ‣ ίϛϡχέʔγϣϯ ‣ γϯϓϦγςΟ ‣ ϑΟʔυόοΫ ‣ ༐ؾ ‣ ϦεϖΫτ

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ίϛϡχέʔγϣϯͷҐஔ͚ͮ • ʮνʔϜʹΑΔιϑτ΢ΣΞ։ൃͰ΋ͬͱ΋ॏཁͳͷ͸ɺ  ίϛϡχέʔγϣϯͰ͋Δɻʯ ‣ ʰΤΫετϦʔϜϓϩάϥϛϯάʱୈষQ • ଞͷՁ஋ͱ΋ີ઀ʹؔΘΔ ‣ ʮϑΟʔυόοΫ͸ίϛϡχέʔγϣϯʹ͔ܽͤͳ͍ʯ ‣ ʮ༐ؾΛ࣋ͬͯਅ࣮ΛޠΕ͹ɺίϛϡχέʔγϣϯ΍৴པ͕  ڧԽ͞ΕΔʯ

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ίϛϡχέʔγϣϯͷޮՌ • ιϑτ΢ΣΞ։ൃ͸ɺίϛϡχέʔγϣϯͷ  ળ͠ѱ͠ʹΑͬͯ༰қʹ݁Ռ͕ࠨӈ͞ΕΔ ‣ ఆظతͳ֬ೝͷ͓͔͛Ͱϝϯόʔͷঢ়گ͕Θ͔ͬͨ ‣ ઃܭҙਤ͕఻Θ͍ͬͯͳ͔ͬͨͷͰɺ  ࡉ͔͍ͱ͜ΖͰ൑அϛεΛͯ͠͠·ͬͨ ‣ Ҏલίςϯύϯʹ٧ΊΒΕͯ͠·ͬͨͷ͕τϥ΢ϚͰɺ  ٞ࿦ʹ͚͍ܽͯΔॏཁͳࢹ఺Λݴ͍ग़ͤͳ͔ͬͨ

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ίϛϡχέʔγϣϯͷछྨ • νʔϜͷೝࣝΛἧ͑ΔͨΊʹଧͪ߹ΘͤΛ͢Δ • ேձɾ༦ձͰ͓ޓ͍ͷঢ়گΛ֬ೝ͢Δ • ϨϏϡʔΛͯ͠ର৅΁ͷཧղΛิ͍߹͏ • ΑΓྑ͍ίϛϡχέʔγϣϯΛऔΔͨΊࡶஊΛద౓ʹߦ͏ • ະདྷͷࣗ෼΍৽ͨͳνʔϜϝϯόʔ͕ࠔΒͳ͍Α͏ʹ  ઃܭҙਤΛυΩϡϝϯτԽ͠ɺ  ࣮૷ҙਤΛϦʔμϒϧίʔυͱͯ͠࢒͓ͯ͘͠

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ίϛϡχέʔγϣϯͱ͸ • ϓϩδΣΫτΛલʹਐΊΔͨΊʹߦΘΕΔશͯͷ΍ΓऔΓ ‣ ͋͘·Ͱશͯͷ໨త͸ΑΓྑ͍࢓ࣄΛ͢Δ͜ͱ ‣ ϦΞϧλΠϜͰ͋Δͱ͸ݶΒͳ͍ ‣ ૒ํ޲Ͱ͋Δͱ͸ݶΒͳ͍

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։ൃ͔ΒֶΜͩ  ίϛϡχέʔγϣϯͷ  ॏཁੑ

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લఏͱͳΔ؀ڥ • ࣮ࡍʹ։ൃΛߦ͏ϝϯόʔ͸গਓ਺ ‣ ʙ໊ఔ౓ • ։ൃର৅͸3BJMTΞϓϦέʔγϣϯ ‣ ϑϩϯτΤϯυͷϑϨʔϜϫʔΫΛ࢖ͬͨ͜ͱ͸͋Δ͕  41"ͷܦݧ͸ͳ͍ ‣ Πϯϑϥ͸"84ΦϯϓϨ)FSPLVͳͲ  ϓϩδΣΫτʹΑΓ͞·͟·

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લఏͱͳΔ؀ڥ • ։ൃख๏͸جຊతʹΞδϟΠϧ ‣ 91ϕʔε͔εΫϥϜϕʔε͔͸ϓϩδΣΫτʹΑΔ • ΠςϨʔγϣϯ εϓϦϯτ ͸ʙिؒ ‣ ि࣍αΠΫϧ ‣ ΠςϨʔγϣϯ͝ͱʹ;Γ͔͑ΓͱݟੵΓ

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લఏͱͳΔ؀ڥ • ϦϦʔεपظ͸ຖ೔ʙΠςϨʔγϣϯ͝ͱ ‣ σΠϦʔσϓϩΠ • ۠੾Γͷͨͼʹதظతͳ;Γ͔͑Γ ‣ ࢛൒ظαΠΫϧ ‣ େ͖ͳػೳͷϦϦʔεޙ΍൒೥͝ͱͳͲ

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্ख͍ͬͨ͘ྫ

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ى͖͍ͯͨ͜ͱ • ༏ઌॱҐʹैͬͯऔͬͨλεΫ͕ॳΊͯ৮Δػೳͷमਖ਼ͩͬͨ • ͦͷػೳ͸5ZQF4DSJQU3FBDUͰ࣮૷͞Ε͓ͯΓɺ  ࠓ·Ͱ࢓ࣄͰ৮ͬͨ͜ͱ͕ͳ͘ෆ׳Εͩͬͨ

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࣮ࡍʹ΍ͬͨ͜ͱ • ෆ׳ΕͰ͋Δ͜ͱΛൃݴͯ͠૬ஊͨ͠ ‣ ޾͍͕࣌ؒ͋ͬͨͷͰɺ׳Εͨਓʹότϯλονͤͣ  ࣗ෼Ͱ΍Δ͜ͱʹͨ͠ • ଞʹ΋ෆ׳Εͳϝϯόʔ͕͍ͨͷͰ  ৄ͍͠ਓͷ࣌ؒΛ΋ΒͬͯΈΜͳͰઆ໌Λฉ͍ͨ • ಛʹ೉͍͠ͱ͜Ζ͸ϖΞϓϩͳͲͰ  ॿ͚ͯ΋Βͬͨ

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͜ͷํ๏ΛऔΕͨഎܠ • ීஈ͔Βࡶஊ͕ͦΕͳΓʹଟ͔ͬͨͷͰ  ࿩͔͚͠΍͘͢૬ஊ͠΍͔ͬͨ͢ ‣ ϦϞʔτϫʔΫࣾձʹͳΔલͷ࿩Ͱ͢ ‣ ޙड़͠·͕͢෺ཧతʹ੮͕͔ۙͬͨͷ΋͋Γ·͢

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͜ͷํ๏ΛऔΕͨഎܠ • ීஈ։ൃʹ࢖͏΋ͷͱผͷ  େ͖ͳσΟεϓϨΠ͕νʔϜʹͭ͋Γɺ  ͦͷ৔Ͱͪΐͬͱͨ͠ଧͪ߹ΘͤͳͲ͕Ͱ͖ͨ ‣ ேձ΍༦ձͰΧϯόϯ༻ͷ5SFMMPΛөͨ͠Γ  ৘ใຬࡌͷϫʔΫεϖʔε ɺ  ίʔυΛө͠ͳ͕Βઆ໌΍ϞϒϓϩΛͨ͠Γ

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͜ͷํ๏ΛऔΕͨഎܠ • ։ൃνʔϜͰౡʹͳͬͯ࠲͍ͬͯͨͷͰ શһಉ੮ ɺ  ෺ཧతʹڑ཭͕ۙ͘ϖΞϓϩͳͲͷରԠ͕औΓ΍͔ͬͨ͢

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্ख͍͔͘ͳ͔ͬͨྫ

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࣮ݱ͔ͨͬͨ͜͠ͱ • ճͷϦΫΤετͰ࠷େ਺ສ݅ͷϨίʔυΛ  %#ʹ࡞੒͢ΔॲཧΛ࣮૷͢Δ ‣ ϚελΛจࣈྻͰ෦෼Ұகݕࡧ͠ɺ  ΤϯυϢʔβʔͱͷؒʹଟରଟͷަࠩςʔϒϧΛ࡞੒͢Δ • ݟੵΓஈ֊Ͱ͸ɺ  ࡞ۀྔ͸ଟ͍͕ͦΕ΄Ͳ೉͘͠ͳ͍λεΫͱࢥΘΕ͍ͯͨ

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࣮ࡍʹىͬͨ͜͜ͱ • ࣮૷ͷஈʹͳͬͯߟྀ͢΂͖ͩͬͨ఺͕ଓग़͠ɺઃܭ͕໎૸ͨ͠ ‣ 8FCαʔόͷߴෛՙɾλΠϜΞ΢τ ‣ %#ͷߴෛՙ ‣ ͔ͨ͠ɺಉ͡νέοτͰճ͘Β͍࣮૷Λ͕Βͬͱ  ॻ͖׵͑·ͨ͠ʜʜ😭

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8FCαʔόͷߴෛՙ • ਺ສ݅ͷϨίʔυ࡞੒Λ଴͍ͬͯΔͱλΠϜΞ΢τ͢Δ ‣ Ұఆ݅਺Ҏ্ώοτ͢Δ͜ͱ͕Θ͔ͬͨΒ  ͦͷ৔Ͱ͸࡞ΒͣόονॲཧΛ༧໿͢Δ͜ͱʹͨ͠ • %#Ͱͷจࣈྻݕࡧͷ݁ՌΛ଴͍ͬͯΔͱ  ݅ͷώοτͰ΋λΠϜΞ΢τ͢Δ ‣ ࠷ऴతʹશจݕࡧΤϯδϯʹಀ͕ͨ͠

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%#ͷߴෛՙ • ୯७ʹ਺ສ݅ͷϨίʔυΛ࡞Δͷ͸͕͔͔࣌ؒΔ ‣ ͜Ε͸ճආͰ͖ͳ͍ͷͰͤΊͯόονͰॲཧ͢Δ • จࣈྻͷ෦෼Ұகݕࡧ͕ඞཁͩͬͨͨΊ  ΠϯσοΫε͕ޮ͔ͳ͍ ‣ લड़ͷ௨Γɺ%#Ͱ͸΍Βͳ͍͜ͱʹͨ͠

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ݪҼ෼ੳ • ࣗ෼΋ؚΊɺଟछଟ༷ͳܦݧΛੵΜͰ͖ͨνʔϜϝϯόʔ͕  ू·͍ͬͯΔͷʹɺ͜ͷ໰୊఺ʹ୭΋ؾ͚ͮͳ͔ͬͨ  ஌Βͳ͔ͬͨ ͱ͸ߟ͑ʹ͍͘ • ͓ޓ͍͕ࢥߟͷ͖͔͚ͬʹͳΔΑ͏ͳ  ίϛϡχέʔγϣϯΛे෼ʹऔΕ͍ͯͳ͔ͬͨͷͰ͸ͳ͍͔ʁ ‣ ͦΕ͸ͳ͔ͥʹ͍ͭͯ͸ࠓޙͷݕূΛ͓଴ͪԼ͍͞

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೔ࠒ࣮ફ͍ͯ͠Δ  91ͷϓϥΫςΟεΛ  ίϛϡχέʔγϣϯͷ؍఺͔ΒݟΔ

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ϖΞϓϩάϥϛϯά • ਓͰϖΞΛ૊ΈɺυϥΠόʔͱφϏήʔλʔͷ໾ׂʹ෼͔Εͯ  ϓϩάϥϛϯά͢Δ

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ϖΞϓϩάϥϛϯά • ਓͰϖΞΛ૊ΈɺυϥΠόʔͱφϏήʔλʔͷ໾ׂʹ෼͔Εͯ  ϓϩάϥϛϯά͢Δ ‣ ࣮૷͠ͳ͕ΒϨϏϡʔΛಉ࣌ʹߦ͏ ‣ ϨϏϡʔ͸ίϛϡχέʔγϣϯͷछ

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શһಉ੮ • νʔϜશһ͕෺ཧతʹ͍ۙ৔ॴ Ͱ͖Ε͹෦԰ Ͱ࢓ࣄΛ͢Δ

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શһಉ੮ • νʔϜશһ͕෺ཧతʹ͍ۙ৔ॴ Ͱ͖Ε͹෦԰ Ͱ࢓ࣄΛ͢Δ ‣ ίϛϡχέʔγϣϯΛ༠ൃ͠΍͘͢͢Δ ‣ ϦϞʔτϫʔΫͰ͸࣮ݱͰ͖ͳ͍ͷͰɺͤΊͯςΩετνϟοτ΍  ϘΠενϟοτΛ׆༻͢Δ UJNFTνϟϯωϧͳͲ

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ि࣍αΠΫϧ • ຖि ֤ΠςϨʔγϣϯ ͝ͱʹ;Γ͔͑Γͱ  ࣍ͷΠςϨʔγϣϯͷݟੵΓΛߦ͏

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ि࣍αΠΫϧ • ຖि ֤ΠςϨʔγϣϯ ͝ͱʹ;Γ͔͑Γͱ  ࣍ͷΠςϨʔγϣϯͷݟੵΓΛߦ͏ ‣ ͜·Ίͳ৘ใಉظΛͯ͠ίϛϡχέʔγϣϯΛ  ൃੜͤ͞Δ

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࢛൒ظαΠΫϧ • ࢛൒ظ͝ͱʹܭըΛཱͯɺ͜͜·Ͱ΍͖ͬͯͨ͜ͱΛ;Γ͔͑Δ

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࢛൒ظαΠΫϧ • ࢛൒ظ͝ͱʹܭըΛཱͯɺ͜͜·Ͱ΍͖ͬͯͨ͜ͱΛ;Γ͔͑Δ ‣ ͭͷςʔϚͰ࿩͠߹͏ػձΛ૿΍͢ ‣ தظతͳهԱ͸ҙ֎ͱͳ͘ͳΓ΍͍͢ͷͰɺ  ීஈ͔Β͜·Ίʹه࿥͓ͯ͘͠ͱྑ͍

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৘ใຬࡌͷϫʔΫεϖʔε • ࠓͷϓϩδΣΫτͷঢ়گ͕ͻͱ໨Ͱ෼͔Δ  ϫʔΫεϖʔε ΧϯόϯͳͲ Λ࡞Δ

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৘ใຬࡌͷϫʔΫεϖʔε • ࠓͷϓϩδΣΫτͷঢ়گ͕ͻͱ໨Ͱ෼͔Δ  ϫʔΫεϖʔε ΧϯόϯͳͲ Λ࡞Δ ‣ ঢ়گΛՄࢹԽ͠ɺ࿩ͨ͘͠ͳ͍ࣄฑΛ  ࿩͟͞ΔΛಘͳ͍Α͏ʹ͢Δ

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΄͔ͷՁ஋Ͱ΋ ϓϥΫςΟεΛݟ௚͢ͱ  ࢥΘ͵ൃݟ͕͋Δ͔΋ʁ

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·ͱΊ • ίϛϡχέʔγϣϯ͸ϓϩδΣΫτΛલʹਐΊΔͨΊʹ  ߦΘΕΔશͯͷ΍ΓऔΓ • ίϛϡχέʔγϣϯΛ্ख͘औΕΔͱେ͖ͳϝϦοτ͕͋Δ͠ɺ  ࣦഊͨ͠Βେมͳ͜ͱʹͳΔ • ೔ࠒ࣮ફ͍ͯ͠Δ91ͷϓϥΫςΟεΛɺίϛϡχέʔγϣϯͷ  ؍఺Ͱଊ͑௚ͯ͠঺հ